DC/DC CONVERTERS VOLT INPUT MHP270 SERIES WATT MODELS O

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DC/DC CONVERTERS VOLT INPUT MHP270 SERIES WATT MODELS O

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-55° +100°C operation input Fully isolated Magnetic feedback Fixed frequency, typical Topology Switch, Single Ended Forward transient protection Inhibit input side output side Sync Indefinite short circuit protection Remote sense single models efficiency Parallelable: converters
DC/DC CONVERTERS VOLT INPUT
MHP270 SERIES WATT
MODELS
OUTPUT SINGLE DUAL
Size (max.): 3.005 1.505 0.400 inches (76.33 38.23 10.16 "Case Maximum Dimensions" "Case Weight: grams maximum Screening: MHP270 Standard MHP270 Screening: MHP270" more information
DESCRIPTION
MHP270 SeriesDC/DC converters provide watts output power over full -55°C 100°C temperature range. MHP270 models operate from MIL-STD-704 nominal volt power from continuous operation with surges volts provide isolated outputs VDC. Parallel operation loading conditions supported without requirement external components. MHP270 DC/DC converters constant frequency, pulse width modulated switching power supplies which quasi-square wave, two-switch single-ended forward converter design. Tight load regulation achieved through wide-bandwidth magnetic feedback circuit. five single output converters used parallel power single load simply connecting share pins units. Units this configuration have current sharing accuracy over loading conditions. Series converters feature flexible synchronization scheme which units synchronized external clock another using sync sync pins provided each unit. converters have nominal switching frequency kHz, synchronized frequency from kHz. converters meet wide variety military/aerospace performance environmental specifications. Their continuous operation input voltage (160 400) meets normal operating limits MILSTD-704. unit shuts down above approximately volts, rated withstand surge volts msec. units built fully hermetic thick film hybrids Interpoint's MILSTD-1772 certified facilities. MHP270 Series offer complete list standard features which include: Undervoltage lock-out shuts down when input line voltage falls below approximately provide smooth initialization. Continuous short circuit protection current limit approximately 125%. Soft-start controlled start-up turn-on, release from inhibit, recovery from load fault conditions. Remote sense provide automatic compensation voltage drops output lines single output models.
MHP270 SERIES WATT
ABSOLUTE MAXIMUM RATINGS
Input Voltage Output Power watts depending model Lead Soldering Temperature sec) 300°C Storage Temperature Range (Case) -65°C +150°C
DC/DC CONVERTERS
SYNC INHIBIT (INH1, INH2)
Sync (525 kHz) Duty cycle min, Logic Logic high used, connect input common Referenced input common Sync Referenced input common Inhibit (INH1, INH2) Open Collector Logic (output disabled) INH1 referenced input common Logic INH2 referenced output common Logic Logic high (output enabled) Open collector
TYPICAL CHARACTERISTICS
Output Voltage Temperature Coefficient ppm/°C typical Isolation megohm minimum Conversion Frequency Free mode typical kHz. min., External sync range: Inhibit Voltage (unit enabled) INH1 typ., INH2 Line Drop Vout drops Input voltage Undervoltage Lockout Input voltage Current Limit 125% full load typical
RECOMMENDED OPERATING CONDITIONS
Input Voltage Range continuous msec transient Case Operating Temperature (Tc) +100°C full power
PINS
Inhibit (INH1, INH2) Sync Sync Share Sense Lines connection connection Connect input common Connect output common Must connected appropriate outputs
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 INPUT CURRENT LOAD FULL CONTINUOUS TRANSIENT1 LOAD INHIBITED INH1 INHIBITED INH2 INPUT RIPPLE CURRENT EFFICIENCY LOAD FAULT2 POWER DISSIPATION SHORT CIRCUIT VOUT STEP LOAD RESP. 100% TRANSIENT RECOVERY3 1800 1000 CONDITION MHP27005S 4.95 5.00 5.05 MHP27012S 11.88 12.00 12.12 MHP27015S 14.85 15.00 15.15 4.33 MHP27028S 27.22 28.00 28.28 2.32 UNITS
Notes Unit will shut down above approximately 425V will undamaged will restart when voltage drops into normal range. Indefinite short circuit protection guaranteed above 100°C case.
Recovery time measured from application transient point which Vout within final value.
DC/DC CONVERTERS
DUAL OUTPUT MODELS1 PARAMETER OUTPUT VOLTAGE OUTPUT CURRENT2 OUTPUT POWER2 OUTPUT RIPPLE VOLTAGE LINE REGULATION LOAD REGULATION3 CROSS REGULATION4 INPUT VOLTAGE INPUT CURRENT CONDITIONS +VOUT -VOUT MHP27005D 4.95 5.00 5.05 4.95 5.00 5.05 MHP27012D 11.88 12.00 12.12 11.88 12.00 12.12 ±2.5
MHP270 SERIES WATT
MHP27015D 14.85 15.00 15.15 14.85 15.00 15.15 ±2.16 3.46 UNITS
Electrical Characteristics: 25°C Vin, 100% load, free run, unless otherwise specified.
VOUT VOUT LOAD FULL VOUT EFFECT -VOUT CONTINUOUS TRANSIENT5 LOAD INHIBITED INH1 INHIBITED INH2 BALANCED LOAD POWER DISSIPATION SHORT CIRCUIT VOUT %-100% LOAD7 TRANSIENT RECOVERY8
1000 ±2.0
±1.0
±1.5
INPUT RIPPLE CURRENT EFFICIENCY LOAD FAULT6
STEP LOAD RESPONSE VOUT
Notes Share operation characterized dual outputs. total output power (current) available from either output providing opposite output carrying power (current) use. Assumes balanced loads outputs. Effect negative output from 50%/50% loads 70%/30% 70%/30% loads.
Unit will shut down above approximately 425V will undamaged will restart when voltage drops into normal range. Indefinite short circuit protection guaranteed above 125°C case. Second output Recovery time measured from application transient point which Vout within final value.
SINGLE OUTPUT MODELS CONNECTION DIAGRAM SENSE
Positive Input Input Common INH2 INH1 Sync Sync
Share Pos. Sense
Inhibit Sync
Sense Return
Output Common Positive Output
REMOTE SENSE CONNECTION
FIGURE SENSE CONNECTIONS
MHP270 SERIES WATT
270V Positive Input Input Common INH2 INH1
DC/DC CONVERTERS
Share Pos. Sense Sense Return Output Common Positive Output
SINGLE OUTPUT MODELS CONNECTION DIAGRAM PARALLEL
MHP270
Sync Sync
MODEL NUMBERING
Positive Input Input Common INH2 INH1 Share Pos. Sense Sense Return Output Common Positive Output
Base Model Input Voltage Output Voltage Number Outputs single, dual)
MHP270
Sync Sync
Screening (Standard screening designator this position.)
Positive Input Input Common INH2 MHP270 INH1 Sync Sync
Share
Sense Return
Pos. Sense
Output Common Positive Output
FIGURE PARALLEL CONNECTIONS
Single Output Positive Input Input Common Inhibit (INH2) Inhibit (INH1) Sync Sync Positive Output Output Common Sense Return Positive Sense connection Share Dual Output Positive Input Input Common Inhibit (INH2) Inhibit (INH1) Sync Sync Positive Output Output Common Negative Output connection connection Share Angled corner indicates one.
VIEW (Pin side, marked side)
"Case Maximum Dimensions" "Case
FIGURE
MHP270 This revision supercedes previous releases. technical information believed accurate, responsibility assumed errors omissions. Interpoint reserves right make changes products specifications without notice. MHP270 Series trademark Interpoint. Copyright 1994 2005 Interpoint Corporation. rights reserved.
CASES
CASE MAXIMUM DIMENSIONS VIEW (PIN SIDE) Angled corner indicates
1.505 (38.23)
Case configuration
3.005 (76.33) max. Note: Pins shown Case
Materials Header Cold Rolled Steel/Nickel/Gold Cover Kovar/Nickel Pins alloy/Gold 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
Case maximum dimensions, September 2005 Please refer numerical dimensions accuracy. information believed accurate, responsibility assumed errors omissions. Interpoint reserves right make changes products specifications without notice. Copyright 1999-2005 Interpoint Corp. rights reserved.
CASES
VIEW CASE Series, Series, Series, MFLHP Series, FMTR Series. SMFL Series, SMFLHP Series, SMHP Series, Filter, FMD270 Filter, SFCS Filter, SFME Filter, HUM70 Module, Module
Angled corner indicates one. 1.505 (38.23) max. 1.380 (35.05) 1.250 (31.75) 1.050 (26.67) 0.850 (21.59) 0.650 (16.51) 0.450 (11.43) 0.250 (6.35) 0.120 (3.05) 0.000
Seam Seal
0.23 (5.8) Lead Length 0.128 (3.25). 0.040 (1.02)
0.120 (3.05) 0.250 (6.35)
2.750 (69.85)
2.880 (73.15) 3.005 (76.33) max.
Seal hole: 0.100 ±0.002 (2.54 ±0.05)
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
Case September 2005 Please refer numerical dimensions accuracy. information believed accurate, responsibility assumed errors omissions. Interpoint reserves right make changes products specifications without notice. Copyright 1999-2005 Interpoint Corp. rights reserved.
0.400 (10.16) max.
0.050 (1.27) 0.000
0.000
0.220 (5.59
SCREENING: MHP270 (STANDARD
MHP270 SCREENING (STANDARD
TEST MHP270 STANDARD MHP270 Pre-cap Inspection Method 2017, 2032 Temperature Cycle times) Method 1010, Cond. -55°C 125°C, ambient Constant Acceleration Method 2001, Burn-In hours 100°C case, typical Final Electrical Test MIL-PRF-38534, Group Subgroups +25°C case Hermeticity Test 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.
MHP270 Screening Standard page
Screening MHP270 Standard September 2005. This revision supercedes previous releases. technical information believed accurate, responsibility assumed errors omissions. Interpoint reserves right make changes products specifications without notice. Copyright 2005 Interpoint Corporation. rights reserved.

DC/DC CONVERTERS VOLT INPUT MHP270 SERIES WATT MODELS O

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