DC/DC CONVERTERS VOLT INPUT MHF+ SERIES SINGLE DUAL WATT MOD

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DC/DC CONVERTERS VOLT INPUT MHF+ SERIES SINGLE DUAL WATT MOD

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-55° +125°C operation input Fully isolated Optocoupler feedback Fixed frequency, typical Topology Single Ended Forward transient protection Inhibit sync functions Indefinite short circuit protection Undervoltage lockout efficiency, W/in3
DC/DC CONVERTERS VOLT INPUT
MHF+ SERIES SINGLE DUAL WATT
MODELS
OUTPUT SINGLE DUAL
Size (max.): flanged 1.460 1.130 0.330 (37.08 28.70 8.38 Flanged 2.005 1.130 0.330 (50.93 28.70 8.38 Weight: grams maximum. Screening: Standard, (Class
DESCRIPTION
MHF+ Seriesof high frequency DC/DC converters offers wide input voltage range volts watts output power. units capable withstanding short term transients volts. package hermetically sealed, welded metal case. Flanged non-flanged models available.
INHIBIT FUNCTION
MHF+ converters provide inhibit terminal that used disable internal switching, resulting output very quiescent input current. converter inhibited when compatible (0.8 output disabled) applied inhibit pin. unit enabled when pin, which internally connected pull-up resistor, left unconnected connected open-collector gate. open circuit output voltage associated with inhibit inhibit mode, maximum must sunk from inhibit pin.
CONVERTER DESIGN
MHF+ converters switching regulators that quasisquare wave, single-ended forward converter design with constant switching frequency kHz. Isolation between input output circuits provided with transformer forward path temperature compensated optical link feedback control loop. MHF+ dual output models, good cross regulation maintained tightly coupled output magnetics. total output power (80% 2805D) available from either output, providing opposite output simultaneously carrying total output power (20% 2805D models). Predictable current limit accomplished directly monitoring output load current providing constant current output above overload point.
SYNCHRONIZATION
synchronization feature included with MHF+ Series that allows user match switching frequency converter frequency system clock. external synchronization feature included that allows user adjust nominally operating frequency frequency within range kHz. This initiated applying compatible input desired frequency
HIGHER POWER DENSITY
MHF+ Series offers standard performance small size high power density. just 0.33 inch high total footprint in2, this profile package offers total power density watts cubic inch.
SHORT CIRCUIT PROTECTION
MHF+ Series converters provide short circuit protection restricting output current approximately 115% full load output current. output current sensed secondary stage provide highly predictable accurate current limiting, eliminate foldback characteristics.
NOISE, HIGH AUDIO REJECTION
MHF+ converters' feed-forward compensation system provides excellent dynamic response noise rejection. Audio rejection typically Typical output voltage response 100% step load transient 1.3% with msec recovery time. Input ripple current typically with output ripple voltage typically
UNDERVOLTAGE LOCKOUT
Undervoltage lockout prevents units from operating below approximately input voltage keep system current levels smooth, especially during initialization re-start operations.
MHF+ SERIES SINGLE DUAL WATT
DC/DC CONVERTERS
SYNC INHIBIT
Sync (500 kHz) Duty cycle Logic Logic high min, Referenced input common used, connect input common Inhibit Open Collector Logic (output disabled) Logic voltage Inhibit current Referenced input common Logic high (output enabled) Open collector unconnected
ABSOLUTE MAXIMUM RATINGS
Input Voltage Power Dissipation (Pd) Output Power watts depending model Lead Soldering Temperature lead) 300°C Storage Temperature Range (Case) -65°C +150°C
TYPICAL CHARACTERISTICS
Output Voltage Temperature Coefficient ppm/°C typical ppm/°C maximum Input Output Capacitance typical Undervoltage Lockout input typical Current Limit 115% full load typical Isolation megohm minimum Audio Rejection typical Conversion Frequency (55°C +125°C Free typical min, Inhibit Voltage (unit enabled)
RECOMMENDED OPERATING CONDITIONS
Input Voltage Range continuous msec transient Case Operating Temperature (Tc) -55°C +125°C full power -55°C +135°C absolute Derating Output Power/Current (Tc) Linearly from 100% 125°C 135°C
Electrical Characteristics: 25°C Vin, 100% load, free run, unless otherwise specified.
SINGLE OUTPUT MODELS PARAMETER OUTPUT VOLTAGE OUTPUT CURRENT OUTPUT POWER OUTPUT RIPPLE VOLTAGE LINE REGULATION LOAD REGULATION INPUT VOLTAGE LOAD FULL INPUT CURRENT CONDITION -55°C +125°C LOAD FULL CONTINUOUS TRANSIENT LOAD FULL LOAD INHIBITED -55°C +125°C SHORT CIRCUIT POWER DISSIPATION RECOVERY2 100% TRANSIENT RECOVERY2 TRANSIENT3 RECOVERY2 DELAY OVERSHOOT4 MHF+283R3S 3.27 -400 -800 3.30 3.33 MHF+2805S 4.95 -400 -800 5.00 5.05 MHF+285R2S 5.16 -400 -800 5.20 5.24 12.48 UNITS
INPUT RIPPLE CURRENT EFFICIENCY LOAD FAULT1
STEP LOAD RESP.
STEP LINE RESP.
START-UP
Notes Indefinite short circuit protection guaranteed above 125°C (case) Recovery time measured from application transient point which Vout within regulation.
Input step transition time Input step transition time <100
DC/DC CONVERTERS
MHF+ SERIES SINGLE DUAL WATT
MHF+2828S 27.72 28.00 28.28 0.54 -800 UNITS
Electrical Characteristics: 25°C Vin, 100% load, free run, unless otherwise specified.
SINGLE OUTPUT MODELS PARAMETER OUTPUT VOLTAGE OUTPUT CURRENT OUTPUT POWER OUTPUT RIPPLE VOLTAGE LINE REGULATION LOAD REGULATION INPUT VOLTAGE LOAD FULL INPUT CURRENT CONDITION -55°C +125°C LOAD FULL CONTINUOUS TRANSIENT LOAD FULL LOAD INHIBITED -55°C +125°C SHORT CIRCUIT POWER DISSIPATION RECOVERY2 100% TRANSIENT RECOVERY2 TRANSIENT3 RECOVERY2 DELAY OVERSHOOT4 MHF+2812S 11.88 12.00 12.12 1.25 -500 -800 MHF+2815S 14.85 15.00 15.15 1.00 -600 -800
INPUT RIPPLE CURRENT EFFICIENCY LOAD FAULT1
STEP LOAD RESP.
STEP LINE RESP.
-1200 1100 1200
START-UP
1200
1500
Notes Indefinite short circuit protection guaranteed above 125°C (case) Recovery time measured from application transient point which Vout within regulation.
Input step transition time Input step transition time <100
MHF+ SERIES SINGLE DUAL WATT
DUAL OUTPUT MODELS PARAMETER OUTPUT VOLTAGE CONDITIONS +VOUT -VOUT OUTPUT CURRENT1 OUTPUT POWER1 OUTPUT RIPPLE VOLTAGE ±VOUT LINE REGULATION LOAD REGULATION -55°C +125°C BALANCED +VOUT LOAD -VOUT -VOUT BALANCED +VOUT LOAD CROSS REGULATION2 INPUT VOLTAGE LOAD FULL INPUT CURRENT
DC/DC CONVERTERS
MHF+2805D 4.95 4.92 -600 -600 -800 5.00 5.00 ±1.2 5.05 5.08 1.92 11.88 11.82 -600 -600 -750 MHF+2812D 12.00 12.00 ±0.625 12.12 1218 1.125 14.85 14.78 -600 -600 -750 MHF+2815D 15.00 15.00 ±0.500 15.15 15.23 0.900 UNITS
Electrical Characteristics: 25°C Vin, 100% load, free run, unless otherwise specified.
NEGATIVE VOUT CONTINUOUS TRANSIENT msec LOAD FULL LOAD INHIBITED -55°C +125°C SHORT CIRCUIT3 POWER DISSIPATION RECOVERY4 100% +VOUT TRANSIENT -VOUT RECOVERY4 TRANSIENT6 RECOVERY4 DELAY OVERSHOOT7
INPUT RIPPLE CURRENT EFFICIENCY LOAD FAULT
STEP LOAD RESP.5 BALANCED LOADS
STEP LINE RESP. VOUT START-UP
Notes 13.5 watts, (9.6W, 2805D) total output power available from either output providing opposite output simultaneously carrying (20% 2805D) total output power. Each output must carry minimum (20% 2805D) total output power order maintain regulation negative output. Effect -Vout following conditions:
Indefinite short circuit protection guaranteed above 125°C (case) Recovery time measured from application transient point which Vout within regulation. Response either output with opposite output held half total output power. Input step transition time Input step transition time <100
DC/DC CONVERTERS
MHF+ SERIES SINGLE DUAL WATT
BLOCK DIAGRAM
Positive Input
Positive Output
Inhibit
Controller
Limit Ref.
Input Common
Output Common
FIGURE MHF+ SINGLE OUTPUT
MHF+ SERIES SINGLE DUAL WATT
DC/DC CONVERTERS
Single Output (Except MHF+2828S) Inhibit connection Output Common Positive Output Sync Case Ground Input Common Positive Input MHF+2828S Inhibit Positive Output (See note below) Output Common Sync Case Ground Input Common Positive Input Dual Output Inhibit Positive Output Output Common Negative Output Sync Case Ground Input Common Positive Input
MHF+2828S will provide Vout referenced output common (pin Sync used, should connected input common.
cover indicates one.
BOTTOM VIEW MHF+ SINGLE DUAL NON-FLANGED FLANGED
Dotted line outlines flanged package option.
pages dimensions.
FIGURE
NUMBERS MODEL NUMBERING
MHF+ Base Model Input Voltage Output Voltage decimal point, Vout) Number Outputs single, dual) Case Option (Non-flanged case designator this position) Screening (Standard screening designator this position.)
STANDARD MICROCIRCUIT DRAWING (SMD) PROCESS 5962-9213901HXC PROCESS 5962-9166401HXC 5962-9160101HXC 5962-9689801HXC 5962-9555901HXC 5962-9214401HXC 5962-9161401HXC
MHF+ SIMILAR PART MHF+283R3S/883 MHF+2805S/883 MHF+285R2S/883 MHF+2812S/883 MHF+2815S/883 MHF+2828S/883 MHF+2805D/883 MHF+2812D/883 MHF+2815D/883
Flanged SMDs have suffix instead HXC. exact specifications product, refer drawing. Call your Interpoint representative status MHF+ releases which process". SMDs downloaded from
DC/DC CONVERTERS
MHF+ SERIES SINGLE DUAL WATT
Typical Performance Curves: 25°C Vin, 100% load, free run, unless otherwise specified.
EFFICIENCY
EFFICIENCY
EFFICIENCY
OUTPUT POWER (Watts)
MHF+2805S EFFICIENCY
OUTPUT POWER (Watts)
OUTPUT POWER (Watts)
MHF+2812S EFFICIENCY
MHF+2815S EFFICIENCY
FIGURE
FIGURE
FIGURE
EFFICIENCY
EFFICIENCY
EFFICIENCY
OUTPUT POWER (Watts)
OUTPUT POWER (Watts)
OUTPUT POWER (Watts)
MHF+2805D EFFICIENCY
MHF+2812D EFFICIENCY
MHF+2815D EFFICIENCY
FIGURE
FIGURE
FIGURE
ATTENUATION (dB)
500mV/div.
-100
VOUT
100%
100mV/div.
100%
20V/div.
FREQUENCY (kHz)
1ms/div
MHF+ SERIES AUDIO REJECTION
MHF+2805S STEP LINE RESPONSE
50µs/div 100%
MHF+2805S STEP LOAD RESPONSE
FIGURE
FIGURE
FIGURE
MHF+ SERIES SINGLE DUAL WATT
DC/DC CONVERTERS
Typical Performance Curves: 25°C Vin, 100% load, free run, unless otherwise specified.
20V/div.
100%
100mV/div.
200mV/div. 20V/div.
POUT=
+VOUT
100%
1V/div.
VOUT
200µs/div 100%
ms/div
ms/div
MHF+2805S STEP LOAD RESPONSE
MHF+2805S TURN-ON INTO FULL LOAD
MHF+2815D STEP LINE RESPONSE
FIGURE
FIGURE
FIGURE
100%
-VOUT 100%
100mV/div.
100mV/div.
5V/div.
+VOUT
100%
20V/div.
50µs/div 100% MHF+2815D +VOUT STEP LOAD RESPONSE
100%
50µs/div 100% MHF+2815D +VOUT STEP LOAD RESPONSE
ms/div
MHF+2815D TURN-ON INTO FULL LOAD
FIGURE
FIGURE
FIGURE
-VOUT VOLTAGE CHANGE
2805D 2812D COND
MHF+2805S&D
VOLTAGE CHANGE
2812D 2815D
INPUT VOLTAGE (Volts)
2815D COND 2812D 2805D
2805D
MHF+2812S&D MHF+2815S&D
POSITIVE OUTPUT LOAD TOTAL LOAD) -VOUT WITH SHIFT LOAD BALANCE
CROSS REGULATION
OUTPUT LOAD COND. LOAD COND. LOAD
OUTPUT POWER (Watts) DROP
LINE DROPOUT LOAD
MHF+2805D/MHF+2812D/MHF+2815D CROSS REGULATION
FIGURE
FIGURE
FIGURE
DC/DC CONVERTERS
Squared corner case indicate one.
MHF+ SERIES SINGLE DUAL WATT
CASE BOTTOM VIEW Figure configurations.
1.130 (28.70)
Materials Header Cold Rolled Steel/Nickel/Gold Cover Kovar/Nickel (SMHF Series Cold Rolled Steel/Nickel/Gold) Pins alloy/Gold compression glass seal Case dimensions inches (mm) Tolerance ±0.005 (0.13) three decimal places ±0.01 (0.3) decimal places unless otherwise specified CAUTION Heat from reflow wave soldering damage device. Solder pins individually with heat application exceeding 300°C seconds pin.
1.460 (37.08)
FIGURE CASE MAXIMUM DIMENSIONS
BOTTOM VIEW CASE MHF+ Series Single Dual: Screening Standard,
Seam Seal Projection Weld Squared corner case indicate one.
0.960 (24.38) 0.030 dia. (0.76)
0.160 (4.06) 0.000 0.000 0.000 0.000 0.330 (8.38) 0.25 (6.35) 0.330 (8.38) 0.25 (6.35)
0.205 (5.21)
FIGURE CASE
Note: Although every effort been made render case drawings actual size, variations printing process cause some distortion. Please refer numerical dimensions accuracy.
0.505 (12.83) 0.705 (17.91) 0.905 (22.99) 1.105 (28.07)
MHF+ SERIES SINGLE DUAL WATT
DC/DC CONVERTERS
Materials Header Cold Rolled Steel/Nickel/Gold Cover MHF+ Series Filter Kovar/Nickel SMHF Cold Rolled Steel/Nickel Pins alloy (all cases) compression glass seal Case dimensions inches (mm) Tolerance ±0.005 (0.13) three decimal places ±0.01 (0.2) decimal places unless otherwise specified CAUTION Heat from reflow wave soldering damage device. Solder pins individually with heat application exceeding 300°C seconds pin.
Squared corner case indicate one.
CASE BOTTOM VIEW Flanged package Figure configuration
1.130 (28.70)
2.005 (50.93)
Flange Thickness: 0.047 (1.19)
FIGURE CASE MAXIMUM DIMENSIONS
DC/DC CONVERTERS
BOTTOM VIEW CASE
MHF+ SERIES SINGLE DUAL WATT
Flanged cases: Designator required Case Option position model number MHF+ Series Single Dual: Screening Standard,
Seam Seal Projection Weld Squared corner case indicate one.
0.960 (24.38) 0.030 dia. (0.76)
0.128 (3.25)
0.560 (14.22)
0.160 (4.06) 0.000 0.000 0.000 0.330 max. (8.38) 0.330 max. (8.38) 0.25 (6.35) 0.25 (6.35) 0.140 (3.56) 0.000
0.205 (5.21)
0.505 (12.83)
0.705 (17.91)
0.905 (22.99)
FIGURE CASE
1.105 (28.07)
1.590 (40.39)
MHF+ SERIES SINGLE DUAL WATT
TEST PRE-CAP INSPECTION Method 2017, 2032 TEMPERATURE CYCLE times) Method 1010, Cond. -65°C 150°C Method 1010, Cond. -55°C 125°C CONSTANT ACCELERATION Method 2001, 3000 Method 2001, BURN-IN Method 1015, hours 125°C hours 125°C case (typical)
DC/DC CONVERTERS
TABLE ENVIRONMENTAL SCREENING
STANDARD
/883 (Class
FINAL ELECTRICAL TEST MIL-PRF-38534, Group Subgroups through -55°C, +25°C, +125°C Subgroups +25°C case HERMETICITY TESTING Fine Leak, Method 1014, Cond. Gross Leak, Method 1014, Cond. Gross Leak, 10-3) FINAL VISUAL INSPECTION Method 2009
Test methods referenced MIL-STD-883 determined MIL-PRF-38534. *883 products built with element evaluated components 100% tested guaranteed over full military temperature range -55°C +125°C.
Contact Information: Interpoint Headquarters Phone: 1-800-822-8782 +425-882-3100 Email: power@intp.com
www.interpoint.com Interpoint Phone: +44-1252-815511 Email: poweruk@intp.com Interpoint France Phone: +33-134285455 Email: powerfr@intp.com
21621-001-DTS This revision supercedes previous releases. technical information believed accurate, responsibility assumed errors omissions. Interpoint reserves right make changes products specifications without notice. MHF+ Series trademark Interpoint. Copyright 1999-2000 Interpoint. rights reserved.
-55° +125°C operation input Fully Isolated Optocoupler feedback Fixed frequency Topology Current Mode Flyback Transient protection V/120 Inhibit sync functions Indefinite short circuit protection Undervoltage lockout efficiency
DC/DC CONVERTERS VOLT INPUT
MHF+ SERIES TRIPLE WATT
MODELS
OUTPUT TRIPLE OUTPUT
Size (max.): flanged, case 1.460 1.130 0.330 inches (37.08 28.70 8.38 Flanged case 2.005 1.130 0.330 inches (50.93 28.70 8.38 Figures dimensions. Weight: grams maximum. Screening: Standard, (Class Table screening options.
DESCRIPTION
Interpoint's MHF+ SeriesTriple DC/DC converters provide wide input voltage range delivering watts total output power with output voltages VDC. main output, VDC, will supply watts auxiliaries will supply watts combined power. Full power operation -55° +125°C plus ability withstand transients milliseconds make these converters ideal choice your high reliability systems.
SYNCHRONIZATION
synchronize converter's switching frequency system clock apply clock signal sync terminal (pin When multiple converters powered from single power source, asynchronous (free run) operation will result lower peak noise common spectral peaks, synchronous operation will eliminate possibility interference frequencies audio band. Source impedance signal should less than ohms transition time should less than nanoseconds. capacitively coupled sync input will synchronize differential signal volts high volts. sync function used, terminal should left open.
CONVERTER DESIGN
MHF+ Triple Series DC/DC converters incorporate dual-phase, phase-shifted technology with continuous flyback topology. This design eliminates minimum load requirement main output eliminates cross regulation effects between main output voltage auxiliary output voltages. phase-shifted design offers further benefit reduced input output ripple.
SHORT CIRCUIT PROTECTION
Internal current limiting circuitry protects three outputs against short circuits. When output power exceeds approximately 130% maximum output power, output currents limited. addition, separate current limiting circuitry protects each output individually resulting normal operation either main auxiliaries, whichever shorted condition.
INHIBIT FUNCTION
open collector, compatible, inhibit terminal (pin provides shut-down start-up control. Applying logic level (<0.8 referenced input common, will disable output converter. When inhibited input current reduced less there generation switching noise. inhibit terminal typically sinks when converter inhibited. Leaving terminal open pulling high will enable converter. open collector interface logic high voltages volts. (Refer Figure connection diagram.) open collector interface required logic high excess open circuit voltage inhibit terminal, volts, less than volts.
PACKAGING
MHF+ Triple converters packaged hermetically sealed metal cases. MHF+ Triple converters purchased flanged non-flanged case. flanged option provides increased heat dissipation also provides greater stability when mechanically secured.
SOFT START FEATURE
soft-start feature provides controlled milliseconds turn-on minimize inrush current reduce overshoot initial start-up when inhibit released.
MHF+ SERIES TRIPLE WATT
ABSOLUTE MAXIMUM RATINGS
Input Voltage Power Dissipation (Pd) watts Output Power watts Lead Soldering Temperature pin) 300°C Storage Temperature Range (Case) -65°C +150°C
DC/DC CONVERTERS
SYNC INHIBIT
Sync Duty cycle Logic Logic high min, 10.0 used, leave unconnected Referenced input common Inhibit: Open Collector Logic (output disabled) Logic voltage Inhibit current typ, Referenced input common Logic high (output enabled) Open collector Unconnected
TYPICAL CHARACTERISTICS
Output Voltage Temperature Coefficient ppm/°C typical Current Limit 130% typical Isolation megohm minimum Conversion Frequency Free minimum, maximum External sync range Inhibit Voltage (unit enabled) typical
RECOMMENDED OPERATING CONDITIONS
Input Voltage Range continuous msec Case Operating Temperature (Tc) -55°C +125°C full power -55°C +135°C absolute Derating Output Power/Current Linearly from 100% 125°C 135°C
POSITIVE INPUT
FEEDBACK ISOLATOR
OUTPUT
CONTROLLER
OUTPUT COMMON INPUT COMMON
FEEDBACK ISOLATOR
AUX. OUTPUT
SYNC
CONTROLLER
180°
-AUX. OUTPUT
FIGURE BLOCK DIAGRAM
DC/DC CONVERTERS
MHF+28512T PARAMETER OUTPUT VOLTAGE CONDITION MAIN AUXILIARY AUXILIARY OUTPUT CURRENT1 MAIN AUXILIARY AUXILIARY TOTAL OUTPUT POWER2 MAIN AUXILIARY AUXILIARY TOTAL OUTPUT RIPPLE VOLTAGE LINE REGULATION3 MIN. MAX. LOAD REGULATION3, CROSS REGULATION5 INPUT VOLTAGE MAIN ±AUXILIARY MAIN AUXILIARY AUXILIARY CONTINUOUS TRANSIENT INPUT CURRENT LOAD3 FULL LOAD INHIBITED3 INPUT RIPPLE CURRENT EFFICIENCY LOAD FAULT6 POWER DISSIPATION MAIN3 STEP LOAD RESPONSE3, ±AUXILIARY TRANSIENT MAIN AUXILIARY RECOVERY MAIN RECOVERY ±AUX. DELAY EACH OUTPUT MAIN AUXILIARY 4.95 11.64 11.64 12.0 12.0 5.05 12.36 12.36 0.416 0.416 2.125 1200 4.925 14.55 14.55
MHF+ SERIES TRIPLE WATT
MHF+28515T 15.0 15.0 5.05 15.45 15.45 0.333 0.333 1500 UNITS
Electrical Characteristics: 25°C Vin, 100% load, free run, unless otherwise specified.
START-UP3,
Notes volt auxiliary output currents exceed volt auxiliary output currents exceed auxiliary output power exceed watts. Case temperature -55°C +125°C. Load regulation specified with aux. both held 3.76 (313 ±12, ±15). Load regulation aux. specified both aux. from 3.76 (313 ±12, ±15) same time with held
Cross regulation only occurs between auxiliaries measured -aux. held constant Cross regulation specified conditions: Negative aux.= 3.76 positive aux.= 0.37 3.76 Negative aux. 0.37 3.76 positive aux. 3.76 Load fault <0.05 Transition time Time settle within Vout final value.
MHF+ SERIES TRIPLE WATT
DC/DC CONVERTERS
CONNECTION DIAGRAMS
MHF+ Triple
POSITIVE INPUT
INHIBIT
1N4148 2N3501
INPUT COMMON
FIGURE INHIBIT INTERFACE
0.01 5.1k
Positive Input Sync Inhibit Input Common
Output Aux. Output Output Common Aux. Output Aux. Load Aux. Load
Load
sync terminal ([pin used, must left floating. coupling shown will prevent sync signal failure.
FIGURE COUPLING SYNC SIGNAL
Positive Input
Positive Output
Positive Input
FMH-461 FILTER
Input Common Output Common Case*
MHF+ TRIPLE
Input Common
Chassis Ground
*The case ground connection should impedance possible minimize EMI. Direct contact baseplate chassis ground provides lowest impedance.
FIGURE FILTER CONNECTION
DC/DC CONVERTERS
Description Inhibit Main Output Output Common Positive Auxiliary Output Negative Auxiliary Output Case Ground Sync Input Common Positive Input
MHF+ SERIES TRIPLE WATT
Sync used, leave unconnected.
Squared corner package indicate one.
BOTTOM VIEW MHF+ Triple
Dotted line outlines flanged package option.
Refer Figures dimensions.
FIGURE BOTTOM VIEW
MODEL NUMBERING
MHF+ Base Model Input Voltage Output Voltage (Main aux. Vout) Number Outputs triple) Case Option (Non-flanged case designator this position) Screening (Standard screening designator this position.)
NUMBERS
STANDARD MICROCIRCUIT DRAWING (SMD) 5962-9560101HXC 5962-9560201HXC MHF+ SIMILAR PART MHF+28512T/883 MHF+28515T/883
Flanged SMDs have suffix instead HXC. exact specifications product, refer drawing. SMDs downloaded from
MHF+ SERIES TRIPLE WATT
EFFICIENCY
DC/DC CONVERTERS
EFFICIENCY
div.
Typical Performance Curves: 25°C Vin, 100% load, free run, unless otherwise specified.
div.
OUTPUT POWER
OUTPUT POWER
div. INPUT VDC, EACH,
MHF+28512T EFFICIENCY
MHF+28515T EFFICIENCY
MHF+ 28515T STEP LINE RESPONSE
MHF+28512T similar response
FIGURE
FIGURE
FIGURE
div.
div.
div.
INPUT div.
INPUT div. div.
div.
div.
div.
MHF+28512T TURN INTO FULL LOAD MAIN
MHF+28515T similar response
MHF+28512T TURN INTO FULL LOAD MAIN
MHF+28515T similar response
MHF+28512T TURN INTO FULL LOAD AUXILIARIES
MHF+28515T similar response
FIGURE
11.5 INPUT VOLTAGE 10.5 MHF+28512T MAXIMUM OUTPUT POWER MHF+28515T
FIGURE
FIGURE
LINE DROPOUT
FIGURE
MHF+ SERIES TRIPLE WATT
DC/DC CONVERTERS
Materials Header Cold Rolled Steel/Nickel/Gold Cover Kovar/Nickel (SMHF Series Cold Rolled Steel/Nickel/Gold) Pins alloy/Gold compression glass seal Case dimensions inches (mm) Tolerance ±0.005 (0.13) three decimal places ±0.01 (0.3) decimal places unless otherwise specified CAUTION Heat from reflow wave soldering damage device. Solder pins individually with heat application exceeding 300°C seconds pin.
Squared corner case indicate one.
CASE BOTTOM VIEW Figure configurations.
1.130 (28.70)
1.460 (37.08)
FIGURE CASE MAXIMUM DIMENSIONS
BOTTOM VIEW CASE MHF+ Series Triple: Screening Standard,
Seam Seal Projection Weld Squared corner case indicate one.
0.960 (24.38)
0.030 dia. (0.76)
0.160 (4.06) 0.000 0.330 (8.38) 0.25 (6.35) 0.25 (6.35) 0.330 (8.38) 0.000 0.000 0.000
0.205 (5.21)
FIGURE CASE
Note: Although every effort been made render case drawings actual size, variations printing process cause some distortion. Please refer numerical dimensions accuracy.
0.505 (12.83) 0.705 (17.91) 0.905 (22.99) 1.105 (28.07)
DC/DC CONVERTERS
Squared corner case indicate one.
MHF+ SERIES TRIPLE WATT
CASE BOTTOM VIEW Flanged package Figure configuration
1.130 (28.70)
Materials Header Cold Rolled Steel/Nickel/Gold Cover MHF+ Series Filter Kovar/Nickel Pins alloy (all cases) compression glass seal Case dimensions inches (mm) Tolerance ±0.005 (0.13) three decimal places ±0.01 (0.2) decimal places unless otherwise specified
2.005 (50.93)
CAUTION Heat from reflow wave soldering damage device. Solder pins individually with heat application exceeding 300°C seconds pin.
Flange Thickness: 0.047 (1.19)
FIGURE CASE MAXIMUM DIMENSIONS
BOTTOM VIEW CASE Flanged case: Designator required Case Option position model number. MHF+ Series Triple: Screening Standard,
Seam Seal Projection Weld Squared corner case indicate one.
0.960 (24.38)
0.128 (3.25)
0.030 dia. (0.76)
0.560 (14.22)
0.160 (4.06) 0.000 0.330 max. (8.38) 0.330 max. (8.38) 0.25 (6.35) 0.25 (6.35) 0.140 (3.56) 0.000 0.000 0.000
0.505 (12.83)
0.705 (17.91)
0.905 (22.99)
1.105 (28.07)
0.205 (5.21)
FIGURE CASE
Note: Although every effort been made render case drawings actual size, variations printing process cause some distortion. Please refer numerical dimensions accuracy.
1.590 (40.39)
MHF+ SERIES TRIPLE WATT
TEST PRE-CAP INSPECTION Method 2017, 2032 TEMPERATURE CYCLE times) Method 1010, Cond. -65°C 150°C Method 1010, Cond. -55°C 125°C CONSTANT ACCELERATION Method 2001, 3000 Method 2001, BURN-IN Method 1015, hours 125°C hours 125°C case (typical)
DC/DC CONVERTERS
TABLE ENVIRONMENTAL SCREENING
STANDARD /883 (Class
FINAL ELECTRICAL TEST MIL-PRF-38534, Group Subgroups through -55°C, +25°C, +125°C Subgroups +25°C case HERMETICITY TESTING Fine Leak, Method 1014, Cond. Gross Leak, Method 1014, Cond. Gross Leak, 10-3) FINAL VISUAL INSPECTION Method 2009
Test methods referenced MIL-STD-883 determined MIL-PRF-38534. *883 products built with element evaluated components 100% tested guaranteed over full military temperature range -55°C +125°C.
Contact Information: www.interpoint.com
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21623-002-DTS This revision supercedes previous releases. technical information believed accurate, responsibility assumed errors omissions. Interpoint reserves right make changes products specifications without notice. MHF+ Series trademark Interpoint. Copyright 1995 1999 Interpoint. rights reserved.

DC/DC CONVERTERS VOLT INPUT MHF+ SERIES SINGLE DUAL WATT MOD

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