JW040A0F Power Modules; dc-dc Converters: Input, Output; Small si
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JW040A0F Power Modules; dc-dc Converters: Input, Output;
Small size: 61.0 57.9 12.7 (2.40 2.28 0.50 in.) High power density High efficiency: typical output noise Constant frequency Industry-standard pinout Metal baseplate input voltage range Remote on/off remote sense Adjustable output voltage Output overvoltage, overcurrent, overtemperature protection Case ground Manufacturing facilities registered against ISO*9000 series standards 1950 Recognized, C22.2 950-95 Certified, 0805 (EN60950, IEC950) Licensed mark meets 73/23/EEC 93/68/EEC directives**
JW040A0F Power Modules advanced, surface-mount technology deliver high-quality, efficient, compact dc-dc conversion.
Applications
Distributed power architectures Communications equipment Computer equipment
Options
Heat sinks available extended operation Choice remote on/off logic configuration
registered trademark International Organization Standardization. registered trademark Underwriters Laboratories, Inc. registered trademark Canadian Standards Association. trademark Verband Deutscher Elektrotechniker e.V. This product intended integration into end-use equipment. required procedures marking end-use equipment should followed. (The mark placed selected products.)
Description
JW040A0F Power Modules dc-dc converters that operate over input voltage range provide precisely regulated output. outputs fully isolated from inputs, allowing versatile polarity configurations grounding connections. modules have maximum power ratings typical full-load efficiency 87%. sealed modules offer metal baseplate excellent thermal performance. Threaded-through holes provided allow easy mounting addition heat sink high-temperature applications. standard feature includes remote sensing, output trim, remote on/off convenient flexibility distributed power applications.
JW040A0F Power Modules; dc-dc Converters: Input, Output;
Absolute Maximum Ratings
Stresses excess absolute maximum ratings cause permanent damage device. These absolute stress ratings only. Functional operation device implied these other conditions excess those given operations sections data sheet. Exposure absolute maximum ratings extended periods adversely affect device reliability. Parameter Input Voltage: Continuous Transient (100 Operating Case Temperature (See Thermal Considerations section.) Storage Temperature Isolation Voltage (for minute) Symbol trans Tstg 1500 Unit
Electrical Specifications
Unless otherwise indicated, specifications apply over operating input voltage, resistive load, temperature conditions. Table Input Specifications Parameter Operating Input Voltage Maximum Input Current: (See Figure Inrush Transient Input Reflected-ripple Current, Peak-to-peak MHz, source impedance; Figure Input Ripple Rejection (120 Fusing Considerations CAUTION: This power module internally fused. input line fuse must always used. This encapsulated power module used wide variety applications, ranging from simple stand-alone operation integrated part sophisticated power architecture. preserve maximum flexibility, internal fusing included; however, achieve maximum safety system protection, always input line fuse. safety agencies require normal-blow fuse with maximum rating (see Safety Considerations section). Based information provided this data sheet inrush energy maximum input current, same type fuse with lower rating used. Refer fuse manufacturer's data further information. Symbol 4.75 Unit mAp-p
Tyco Electronics Power Systems
JW040A0F Power Modules; dc-dc Converters: Input, Output;
Electrical Specifications (continued)
Table Output Specifications Parameter Output Voltage Point max; Output Voltage (Over operating input voltage, resistive load, temperature conditions until life. Figure Output Regulation: Line Load max) Temperature +100 Output Ripple Noise Voltage (See Figure 8.): Peak-to-peak MHz) External Load Capacitance Output Current Output Overcurrent Protection Output Short-circuit Current Efficiency max; Figure Figure Switching Frequency Dynamic Response (IO/t A/10 tested with tantalum ceramic capacitor across load.): Load Change from max: Peak Deviation Settling Time peak deviation) Load Change from max: Peak Deviation Settling Time peak deviation)
Consult your sales representative factory. These manufacturing test limits. some situations, results differ.
Symbol
3.247 3.20
3.352 3.40
Unit
0.15 0.15
mVrms mVp-p
%VO, %VO,
Table Isolation Specifications Parameter Isolation Capacitance Isolation Resistance 2800 Unit
Tyco Electronics Power Systems
JW040A0F Power Modules; dc-dc Converters: Input, Output;
General Specifications
Parameter Calculated MTBF max; Weight 2,500,000 (4.6) Unit hours (oz.)
Feature Specifications
Unless otherwise indicated, specifications apply over operating input voltage, resistive load, temperature conditions. Feature Descriptions section additional information. Parameter Remote On/Off Signal Interface open collector equivalent compatible; signal referenced VI(-) terminal): JWxxxF1 Preferred Logic: Logic Low-Module Logic High-Module JWxxxF Optional Logic: Logic Low-Module Logic High-Module Logic Low: Ion/off Von/off Logic High: Ion/off Leakage Current Turn-on Time (See Figure max; within steady state) Output Voltage Adjustment: Output Voltage Remote-sense Range Output Voltage Set-point Adjustment Range (trim) Output Overvoltage Protection Overtemperature Protection
These manufacturing test limits. some situations, results differ.
Symbol
Unit
Von/off Ion/off Von/off Ion/off
4.0*
5.0*
%VO,
Solder, Cleaning, Drying Considerations
Post solder cleaning usually final circuit-board assembly process prior electrical board testing. result inadequate circuit-board cleaning drying affect both reliability power module testability finished circuit-board assembly. guidance appropriate soldering, cleaning, drying procedures, refer Board-Mounted Power Modules: Soldering Cleaning Application Note (AP97-021EPS).
Tyco Electronics Power Systems
JW040A0F Power Modules; dc-dc Converters: Input, Output;
Characteristic Curves
following figures provide typical characteristics power modules. figures identical both on/off configurations.
INPUT CURRENT, INPUT VOLTAGE,
8-3095
OUTPUT VOLTAGE, (100 mV/div)
Figure Typical JW040A0F Input Characteristics
TIME, µs/div)
8-3097
Note: Figure test conditions. EFFICIENCY,
OUTPUT CURRENT, A/div) OUTPUT VOLTAGE, (200 mV/div)
8-3096
Figure Typical JW040A0F Output Ripple Voltage Room Temperature,
OUTPUT CURRENT,
Figure Typical JW040A0F Efficiency Output Current
TIME, (200 µs/div)
8-3099
Note: Tested with tantalum ceramic capacitor across load.
Figure Typical JW040A0F Transient Response Step Increase Load from Room Temperature Input (Waveform Averaged Eliminate Ripple Component.)
Tyco Electronics Power Systems
JW040A0F Power Modules; dc-dc Converters: Input, Output;
Characteristic Curves (continued)
OUTPUT VOLTAGE, (200 mV/div)
Test Configurations
OSCILLOSCOPE CURRENT PROBE VI(+)
LTEST
BATTERY
VI(-)
OUTPUT CURRENT, A/div)
1-0096
Note: Measure input reflected-ripple current with simulated source inductance (LTEST) Capacitor offsets possible battery impedance. Measure current shown above.
Figure Input Reflected-Ripple Test Setup
TIME, (200 µs/div)
8-3098
COPPER STRIP VO(+) VO(-) SCOPE RESISTIVE LOAD
Note: Tested with tantalum ceramic capacitor across load.
Figure Typical JW040A0F Transient Response Step Decrease Load from Room Temperature Input (Waveform Averaged Eliminate Ripple Component.)
8-513 (F).d
REMOTE ON/OFF, VON/OFF
Note: ceramic capacitor aluminum tantalum capacitor. Scope measurement should made using socket. Position load between in.) from module.
Figure Peak-to-Peak Output Noise Measurement Test Setup
SENSE(+) OUTPUT VOLTAGE, V/div) VI(+) SUPPLY VI(-) CONTACT RESISTANCE SENSE(-) TIME, ms/div)
8-3100
CONTACT DISTRIBUTION LOSSES
VO(+) LOAD VO(-)
8-749
Note: Tested with tantalum ceramic capacitor across load.
Note: measurements taken module terminals. When socketing, place Kelvin connections module terminals avoid measurement errors socket contact resistance.
Figure Typical Start-Up from Remote On/Off;
Figure Output Voltage Efficiency Measurement Test Setup
Tyco Electronics Power Systems
Data Sheet January 2001
JW040A0F Power Modules; dc-dc Converters: Input, Output;
Design Considerations
Input Source Impedance
power module should connected ac-impedance input source. Highly inductive source impedances affect stability power module. test configuration Figure electrolytic capacitor (ESR kHz) mounted close power module helps ensure stability unit. other highly inductive source impedances, consult factory further application guidelines.
Feature Descriptions
Overcurrent Protection
provide protection fault (output overload) condition, unit equipped with internal current-limiting circuitry delayed overcurrent shutdown. point current-limit inception, unit shifts from voltage control current control. output voltage pulled very during severe fault, currentlimit circuit exhibit either foldback tailout characteristics (output current decrease increase). overcurrent persists more than unit will latch off.
Safety Considerations
safety-agency approval system which power module used, power module must installed compliance with spacing separation requirements end-use safety agency standard, i.e., 1950, C22.2 950-95, 0805 (EN60950, IEC950). input source non-SELV (ELV hazardous voltage greater than less than equal Vdc), module's output considered meeting requirements safety extra-low voltage (SELV), following must true:
Remote On/Off
remote on/off options available. Positive logic remote on/off turns module during logic-high voltage ON/OFF pin, during logic low. Negative logic remote on/off turns module during logic high during logic low. Negative logic, device code suffix "1," factory-preferred configuration. turn power module off, user must supply switch control voltage between on/off terminal VI(-) terminal (Von/off). switch open collector equivalent (see Figure 10). logic Von/off maximum Ion/off during logic switch should maintain logic-low voltage while sinking During logic high, maximum Von/off generated power module maximum allowable leakage current switch Von/off using remote on/off feature, following turn unit
input source provided with reinforced insulation from other hazardous voltages, including mains. grounded, both input output pins kept floating. input pins module operator accessible. Another SELV reliability test conducted whole system, required safety agencies, combination supply source subject module verify that under single fault, hazardous voltages appear module's output.
negative logic, short ON/OFF VI(-). positive logic, leave ON/OFF open.
Note: ground either input pins module without grounding output pins. This allow non-SELV voltage appear between output pins ground. power module extra-low voltage (ELV) outputs when inputs ELV. input these units provided with maximum normal-blow fuse ungrounded lead.
Tyco Electronics Power Systems
JW040A0F Power Modules; dc-dc Converters: Input, Output;
Feature Descriptions (continued)
Remote On/Off (continued)
Ion/off Von/off ON/OFF SENSE(+) VO(+) LOAD VI(+) VI(-) VO(-) SENSE(-)
following equation determines required external-resistor value obtain percentage output voltage change adj-up
1.225%
voltage between VO(+) VO(-) terminals must exceed minimum output overvoltage shutdown value indicated Feature Specifications table. This limit includes increase voltage remote-sense compensation output voltage setpoint adjustment (trim) (see Figure 13). Although output voltage increased both remote sense trim, maximum increase output voltage both. maximum increase larger either remote sense trim. Consult factory need increase output voltage more than above limitation. amount power delivered module defined voltage output terminals multiplied output current. When using remote-sense trim, output voltage module increased, which same output current would increase power output module. Care should taken ensure that maximum output power module remains below maximum rated power.
8-720 (F).c
Figure Remote On/Off Implementation
Output Voltage Set-Point Adjustment (Trim)
Output voltage trim allows user increase decrease output voltage point module. This accomplished connecting external resistor between TRIM either SENSE(+) SENSE(-) pins. trim resistor should positioned close module. using trim feature, leave TRIM pin(s) open. With external resistor between TRIM SENSE(-) pins (Radj-down), output voltage point (VO, adj) decreases (see Figure 11). following equation determines required external-resistor value obtain percentage output voltage change adj-down With external resistor connected between TRIM SENSE(+) pins (Radj-up), output voltage point (VO, adj) increases (see Figure 12).
VI(+) ON/OFF CASE VI(-)
VO(+) SENSE(+) TRIM Radj-down SENSE(-) VO(-)
8-748 (F).b
RLOAD
Figure Circuit Configuration Decrease Output Voltage
Tyco Electronics Power Systems
JW040A0F Power Modules; dc-dc Converters: Input, Output;
amount power delivered module defined voltage output terminals multiplied output current. When using remote-sense trim, output voltage module increased, which same output current would increase power output module. Care should taken ensure that maximum output power module remains below maximum rated power.
Feature Descriptions (continued)
Output Voltage Set-Point Adjustment (Trim) (continued)
VI(+) ON/OFF CASE VI(-)
VO(+) SENSE(+) Radj-up TRIM SENSE(-) VO(-)
8-715 (F).b
RLOAD
SENSE(+) SENSE(-) VI(+) SUPPLY VI(-) CONTACT RESISTANCE VO(-) CONTACT DISTRIBUTION LOSSES
8-651 (F).m
VO(+) LOAD
Figure Circuit Configuration Increase Output Voltage
Remote Sense
Remote sense minimizes effects distribution losses regulating voltage remote-sense connections. voltage between remote-sense pins output terminals must exceed output voltage sense range given Feature Specifications table, i.e.: [VO(+) VO(-)] [SENSE(+) SENSE(-)] voltage between VO(+) VO(-) terminals must exceed minimum output overvoltage shutdown voltage indicated Feature Specifications table. This limit includes increase voltage remote-sense compensation output voltage setpoint adjustment (trim). Figure using remote-sense feature regulate output point load, then connect SENSE(+) VO(+) SENSE(-) VO(-) module. Although output voltage increased both remote sense trim, maximum increase output voltage both. maximum increase larger either remote sense trim. Consult factory need increase output voltage more than above limitation.
Figure Effective Circuit Configuration Single-Module Remote-Sense Operation
Output Overvoltage Protection
output overvoltage protection consists circuitry that monitors voltage output terminals. voltage output terminals exceeds overvoltage protection threshold, then module will shut down attempt restart.
Overtemperature Protection
provide protection fault condition, unit equipped with overtemperature protection circuit. This circuit will engage unless case temperature exceeds maximum limit. When activated, overtemperature protection circuit temporarily shuts down unit. Recovery from overtemperature protection automatic after unit cools below overtemperature protection threshold.
Tyco Electronics Power Systems
JW040A0F Power Modules; dc-dc Converters: Input, Output;
Thermal Considerations
Introduction
power modules operate variety thermal environments; however, sufficient cooling should provided help ensure reliable operation unit. Heat-dissipating components inside unit thermally coupled case. Heat removed conduction, convection, radiation surrounding environment. Proper cooling verified measuring case temperature. Peak temperature (TC) occurs position indicated Figure
natural convection condition measured natural convection; however, systems which these power modules used typically generate natural convection airflow rates ft./min.) other heat-dissipating components system. Figure shown following example. Example What minimum airflow necessary JW040A0F operating output current maximum ambient temperature Solution Given: Determine (Use Figure 16.):
15.0 (0.6)
MEASURE CASE TEMPERATURE HERE
15.0 (0.6) VI(+) ON/OFF VO(+)
Determine airflow (Use Figure 15.):
TRIM CASE VI(-)
(200 ft./min.)
POWER DISSIPATION, (600 ft./min.) (400 ft./min.) (200 ft./min.) NATURAL CONVECTION
VO(-)
8-716 (F).k
Note: view, locations reference only. Measurements shown millimeters (inches).
Figure Case Temperature Measurement Location temperature this location should exceed output power module should exceed rated power module listed Ordering Information table. Although maximum case temperature power modules limit this temperature lower value extremely high reliability.
LOCAL AMBIENT TEMPERATURE, (°C)
8-3364
Figure JW040A0F Forced Convection Power Derating with Heat Sink; Either Orientation
Heat Transfer Without Heat Sinks
Increasing airflow over module enhances heat transfer convection. Figure shows maximum power that dissipated module without exceeding maximum case temperature versus local ambient temperature (TA) natural convection through (600 ft./min.).
Tyco Electronics Power Systems
JW040A0F Power Modules; dc-dc Converters: Input, Output;
Thermal Considerations (continued)
CASE-TO-AMBIENT THERMAL RESISTANCE, (°C/W)
(100) (200) (300) (400) (500) (600)
8-3365.a
Heat Transfer Without Heat Sinks (continued)
POWER DISSIPATION, OUTPUT CURRENT,
8-3103
HEAT SINK HEAT SINK HEAT SINK 1/4. HEAT SINK HEAT SINK
VELOCITY MEASURED (ft./min.)
Figure JW040A0F Case-to-Ambient Thermal Resistance Curves; Either Orientation These measured resistances from heat transfer from sides bottom module well side with attached heat sink; therefore, case-to-ambient thermal resistances shown generally lower than resistance heat sink itself. module used collect data Figure thermal-conductive between case heat sink minimize contact resistance. Figure shown following example. Example case temperature desired, what minimum airflow necessary? Assume JW040A0F module operating output current maximum ambient temperature heat sink inch. Solution Given: Heat sink inch Determine using Figure
Figure JW040A0F Power Dissipation Output Current
Heat Transfer with Heat Sinks
power modules have through-threaded, mounting holes, which enable heat sinks cold plates attach module. mounting torque must exceed 0.56 in.-lb.). Thermal derating with heat sinks expressed using overall thermal resistance module. Total module thermal resistance (ca) defined maximum case temperature rise (TC, max) divided module power dissipation (PD): location measure case temperature (TC) shown Figure Case-to-ambient thermal resistance airflow shown, various heat sink configurations heights, Figure These curves were obtained experimental testing heat sinks, which offered product catalog.
Tyco Electronics Power Systems
JW040A0F Power Modules; dc-dc Converters: Input, Output;
Thermal Considerations (continued)
Heat Transfer with Heat Sinks (continued)
Then solve following equation:
managed interface using thermal grease foils, value °C/W °C/W typical. solution heat sink resistance This equation assumes that dissipated power must shed heat sink. Depending userdefined application environment, more accurate model, including heat transfer from sides bottom module, used. This equation provides conservative estimate such instances.
°C/W
Figure determine velocity inch heat sink. minimum airflow necessary JW040A0F module (300 ft./min.).
Considerations
assistance with designing compliance, refer FLTR100V10 Filter Module Data Sheet (DS99-294EPS).
Custom Heat Sinks
Layout Considerations
more detailed model used determine required thermal resistance heat sink provide necessary cooling. total module resistance separated into resistance from case-to-sink (cs) sink-to-ambient (sa) shown Figure
8-1304(F).e
Copper paths must routed beneath power module mounting inserts. This module designed solder interconnection between terminal pins customer's board. additional layout guidelines, refer FLTR100V10 Filter Module Data Sheet (DS99-294EPS).
Figure Resistance from Case-to-Sink Sink-to-Ambient
Tyco Electronics Power Systems
JW040A0F Power Modules; dc-dc Converters: Input, Output;
Outline Diagram
Dimensions millimeters (inches). Tolerances: (x.xx 0.02 in.) x.xx 0.25 (x.xxx 0.010 in.) View
57.9 (2.28)
61.0 (2.40)
Side View
SIDE LABEL* 12.7 (0.50) (0.18) 2.06 (0.081) SOLDER-PLATED TERMINALS, PLACES (-OUTPUT OUTPUT) 1.02 (0.040) SOLDER-PLATED TERMINALS, PLACES
Bottom View
MOUNTING INSERTS THROUGH, PLACES
12.7 (0.50) (0.20) VI(-) CASE VO(-) -SEN TRIM ON/OFF VI(+) 48.26 (1.900) TERMINALS (0.19) 48.3 (1.90) MOUNTING INSERTS +SEN VO(+)
10.16 (0.400) 50.8 (2.00) 25.40 (1.000)
10.16 (0.400) 17.78 (0.700) 25.40 (1.000) 35.56 (1.400)
35.56 (1.400)
8-1190 (F).j
Side label includes Tyco name, product designation, safety agency markings, input/output voltage current ratings, code.
Tyco Electronics Power Systems
JW040A0F Power Modules; dc-dc Converters: Input, Output;
Recommended Hole Pattern
Component-side footprint. Dimensions millimeters (inches).
57.9 (2.28) (0.19) 48.3 (1.90) MOUNTING INSERTS 48.26 (1.900) TERMINALS
VI(+) 35.56 (1.400) 50.8 (2.00) 25.40 (1.000) 10.16 (0.400) CASE VI(-) (0.20) 12.7 (0.50)
VO(+) +SEN TRIM -SEN VO(-)
61.0 (2.40) 35.56 (1.400) 25.40 (1.000) 17.78 10.16 (0.700) (0.400)
ON/OFF
MODULE OUTLINE
8-1190 (F).j
Ordering Information
Please contact your Tyco Electronics' Account Manager Field Application Engineer pricing availability. Table Device Codes Input Voltage Output Voltage Output Power Output Current Remote Logic Negative Device Code JW040A0F1 Comcode 108959800
Tyco Electronics Power Systems
Data Sheet January 2001
JW040A0F Power Modules; dc-dc Converters: Input, Output;
Ordering Information (continued)
Table Device Accessories Accessory Transverse (heat sink, thermal pad, screws) Longitudinal (heat sink, thermal pad, screws) Transverse (heat sink, thermal pad, screws) Longitudinal (heat sink, thermal pad, screws) Transverse (heat sink, thermal pad, screws) Longitudinal (heat sink, thermal pad, screws) Transverse (heat sink, thermal pad, screws) Longitudinal (heat sink, thermal pad, screws) Dimensions millimeters (inches).
Comcode 407243989 407243997 407244706 407244714 407244722 407244730 407244748 407244755
(2.4) 57.9 (2.28)
57.9 (2.28) (2.4)
8-2832 (F).a
8-2833
Figure Longitudinal Heat Sink
Figure Transverse Heat Sink
Tyco Electronics Power Systems
JW040A0F Power Modules; dc-dc Converters: Input, Output;
Europe, Middle-East Africa Headquarters Tyco Electronics (UK) Ltd. Tel: 1344 Latin America, Brazil, Caribbean Headquarters Tyco Electronics Power Systems Tel: 8211 World Wide Headquarters Tyco Electronics Power Systems, Inc. 3000 Skyline Drive, Mesquite, 75149, +1-800-843-1797 (Outside U.S.A.: +1-972-284-2626 www.power.tycoelectronics.com e-mail: India Headquarters Tyco Electronics Systems India Pte. Ltd. Tel: 1533 x3001 Asia-Pacific Headquarters Tyco Electronics Singapore Pte. Ltd. Tel: 6416 4283
Tyco Electronics Corporation reserves right make changes product(s) information contained herein without notice. liability assumed result their application. rights under patent accompany sale such product(s) information. 2003 Tyco Electronics Power Systems, Inc. (Mesquite, Texas) International Rights Reserved. Printed U.S.A.
February 2003 Web/PDF Control: jw040a0f JW040A0F (replaces sheets issued prior this date)
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