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12.0V input, 1.2 to 5.0V adjustable output, 20A or 55W
Features * High output 20A up to 55W max * 12V +5/-10% input * Load Regulation 0.5% * Factory set to 1.2V output with output trim up to 5.0V * High Efficiency to 93% * Power Good and Enable * Short Circuit protection * MTBF 3.0 million hours * Can sink 8A current, maintaining output regulation * Back Bias protection
This product is not fuse protected. User is responsible for providing system protection. Consult factory for application information.
Specifications * Input Specifications Input voltage range External input capacitor Output Specifications Standard output voltages and output current 1.2V, 20A 1.25V, 20A 1.5V, 20A 1.8V, 20A 2.5V, 16A 3.3V, 13A 5.0V, 11A 0.5% 0.4% 820F OSCON or equivalent with ESR < 12m 200% of maximum rated current ON-high / OFF-low 93.6% @ 5V Non-isolated 300kHz UL 94V-0 Fusing 0C to 50C -40C to 70C 0.25 oz 1.9 million hours Regulation range is 3% including output voltage set point, line regulation and load regulation over the operating temperature range. See DC Voltage Regulation table on pg 6 for trimming to different voltages 0 to 20A load 12.0V input voltage range See also Input and Output Capacitance table on pg 8 Autorecovery 12.0V +5/-10% Input capacitor capable of ripple current Measured at +Vin pin See ripple current curve on pg 6 and Input and Output Capacitance table on pg 8 S020
DC/DC Converter DC/DC Converter Programmable, Single Output, 1.1V - 1.85Vout @ 60A
Load regulation Line regulation External output capacitor Short circuit protection General Specifications Enable ** Efficiency @ Full Load Isolation Switching frequency Approvals and Standards Protection Operating Temperature *** Storage Temperature Weight MTBF
See chart on pg 4. Fixed Unit is not fused. Non-condensing Per RAC PRISM at 50C ambient and 300 LFM
* All specifications are typical at nominal input, full load at 25C unless otherwise stated. ** Pull below 0.35V to disable the SIP; pull above 2.4V (do not exceed 5.5V) to enable the SIP. *** The output capacitors must meet the max ESR <12 m requirement over the operating temperature range.
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12.0V input, 1.2 to 5.0V adjustable output, 20A or 55W
Ordering Information
DC/DC Converter DC/DC Converter Programmable, Single Output, 1.1V - 1.85Vout @ 60A
S020 - 1 2 2 0 1 2 0 - F B
Model Number Input Voltage 12 = 12V Mechanical Options 2 = Vertical Top Side Pins 4 = Horizontal Bottom Side Pins Pin Length B = 0.140 inch Feature Options F = Trim, Enable, PWRGD Output Voltage 120 = 1.20 Volts Set Point Tolerance 0 = 3.0%
Pin Assignments
CONNECTOR J1 PIN 1 2 3 4 5 FUNCTION VOUT VOUT VOUT Trim Enable CONNECTOR J1 PIN 6 7 8 9 10 11 FUNCTION PWRGD Ground Ground PWRGD_SET VIN VIN
Set Point Resistor Table
Ambient conditions: 400 LFM and 50C Output Set Resistor Output Current Rating (Amps) Open 20 20 23.7 k 20 3.92 k 20 1.96 k 16 909 13 562 11 309
Output Voltage 1.20 1.25 1.50 1.80 2.50 3.30 5.00
PWRGD Set Resistor Open 169 k 26.1 k 11.8 k 4.22 k 1.78 k 0.00 (short)
The output voltage is set by applying the correct output set resistor per above table between the Trim Pin & Ground.
1150 Eglinton Avenue East Toronto, Ontario M3C 1H7 1-866-740-1232 S020_084-S020-00_RevC_Jan12-2005.fm
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12.0V input, 1.2 to 5.0V adjustable output, 20A or 55W
Outline Drawings Vertical Mount Option (S020-1220120-FB)
DC/DC Converter DC/DC Converter Programmable, Single Output, 1.1V - 1.85Vout @ 60A
Horizontal Mount Option (S020-1240120-FB)
1. Dimensions are in inches and (millimeters). 2. Tolerances: (unless otherwise noted) Inches .XX .020 .XXX .010 Pin: .002 Millimeters .X 0.5 .XX 0.25 0.05
1150 Eglinton Avenue East Toronto, Ontario M3C 1H7 1-866-740-1232 S020_084-S020-00_RevC_Jan12-2005.fm
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12.0V input, 1.2 to 5.0V adjustable output, 20A or 55W
Efficiency Curves at 25C
DC/DC Converter DC/DC Converter Programmable, Single Output, 1.1V - 1.85Vout @ 60A
Nominal Line
94.0% Efficiency 89.0% 84.0% 79.0% 74.0% 20% 5.0V 3.3V 2.5V 1.8V 1.25V 40% 60% 80% 100% 1.2V
Load Percentage
LOAD (%) 1.2 Vout 1.25 Vout 1.8 Vout 20% 78.1% 78.2% 82.7% 40% 82.6% 82.5% 86.0% 60% 81.9% 81.8% 85.2% 80% 80.1% 79.7% 83.1% 100% 77.2% 76.9% 80.6%
2.5 Vout 83.6% 87.9% 88.5% 87.8% 86.1%
3.3 Vout 84.3% 89.0% 90.3% 90.2% 89.6%
5.0 Vout 85.2% 90.6% 92.3% 92.9% 92.9%
Derating Curves
D e rating C urv e s 1.2 Volts
25
25
D e ra tin g C u rv e s 1 . 8 V o lt s
De rating Curv e s 2.5 Volts
20
20
20
Max Output Current
Max Output Current
15
4 0 0 L FM 15 3 0 0 L FM 2 0 0 L FM 1 0 0 L FM 10 400 300 200 5 100
400 LFM 300 LFM 200 LFM 100 LFM 400 300 200
4 0 0 L FM 15 3 0 0 L FM 2 0 0 L FM 1 0 0 L FM 10 400 300 200 5 100
Max Output Current
10
5
100
0 20 40 M a x Am bie nt 60
0 20 40 M a x A m b ie n t 60
0 20 40 Max Ambient 60
Derating Curves 3.3 Volts
16
15
Derating Curves 5 Volts
Max Output Current
12
400 LFM 300 LFM 200 LFM
Max Output Current 400 LFM 10 300 LFM 200 LFM 100 LFM 400 5 300 200 100 0 20 30 40 50 60 70 Max Ambient
8
100 LFM 400 300 200 100
4
0 20 40 Max Ambient 60 80
1150 Eglinton Avenue East Toronto, Ontario M3C 1H7 1-866-740-1232 S020_084-S020-00_RevC_Jan12-2005.fm
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12.0V input, 1.2 to 5.0V adjustable output, 20A or 55W
PWRGD - Power Good Signal
The power good signal will be asserted, driven high, by the converter to indicate that the output is valid. If the output fails the specified DC voltage regulation limits or the output is below 90% of the nominal voltage, then the PWRGD signal will be driven low. The output is an open collector/drain. It is capable of driving the output below 0.4V with a load of 4mA.
DC/DC Converter DC/DC Converter Programmable, Single Output, 1.1V - 1.85Vout @ 60A
PWRGD_SET - Power Good Signal Levelset
The section sets the Power Good signal levels with a single resistor connected between the PWRGD_SET (Pin9) and Ground (Pin7). Note fault condition is Low signal on PWRGD_SET.
OUTPUT VOLTAGE
5V 3.3V 2.5V 1.8V 1.5V 1.25V 1.2V
PWRGD_SET RESISTOR (1%tol)
SHORT ( Zero Ohm) 1.78K 4.22K 11.8K 30.1K 169K Open
PWRGD_Threshold := 6.19 k 1.24 - 18.86 10
- 6
2.21 k + Rset
+ 1.24
Logic Timings
T7
Off
ENABLE ON DC Vin
On Off
90% OUTPUT PWRGD T3
PWRGD Sense Level = 90% of nom T2
10%
Output Rise Time 0ms < T2 < 5ms PWRGD Delay 0ms < T3 < 10ms ENABLE-TO-OUTPUT DELAY0ms < T7 < 100ms
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DC Voltage Regulation
12.0V input, 1.2 to 5.0V adjustable output, 20A or 55W
DC/DC Converter DC/DC Converter Programmable, Single Output, 1.1V - 1.85Vout @ 60A
The DC output voltages will remain within the regulation ranges shown in the following table when measured at the load end of the connector. Connect Set Resistor per table below from Trim (Pin4) to Ground (Pin7). Regulation range includes output voltage Set Point, Line Regulation & Load Regulation over the temperature range.
Output Level
+5V +3.3V +2.5V +1.8V 1.5V 1.25V 1.2V
Minimum
-3% -3% -3% -3% -3% -3% -3%
Maximum
+3% +3% +3% +3% +3% +3% +3%
Set Resistor (1%tol)
309 562 909 1.96k 3.92k 23.7k Open ( no resistor)
Vo:= 0.992 5.62k + 0.992 Rset
Input Ripple Current
7.0
Approximate ripple current ratings required for input bulk capacitor.
Ripple Current (Arms)
6.0 5.0 4.0 3.0 2.0 1.0 0 2 4 6 8 10 12 14 16 18 20
Vo =5
.5 =2 Vo
.5 =1 Vo
Output Current (A)
DC Input Reflected Ripple
Maximum reflected current ripple will not exceed 150mA (pk-pk) 5Hz to 20MHz per test setup indicated below.
0.5H
Ltest = 500nH
Cs = 270F Esr < 0.1 ohm at 100kHz 20C C1 = 270F Esr < 0.02 ohm at 100kHz 20C , C2 = 2F ceramic Tektronix current Probe P/N TCP202 Filter components should be mounted close to the module.
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(
The above regulations should be for all operating conditions.
(
1.18k + 0.992
12.0V input, 1.2 to 5.0V adjustable output, 20A or 55W
Output Ripple and Noise
The following output ripple/noise requirements will be met throughout the load ranges specified and under all input voltage conditions specified.
DC/DC Converter DC/DC Converter Programmable, Single Output, 1.1V - 1.85Vout @ 60A
Output Level
+5V +3.3V +2.5V +1.8V +1.5V +1.25V +1.2V
Maximum
75mV 50mV 40mV 40mV 40mV 40mV 40mV
Unit
mVpp mVpp mVpp mVpp mVpp mVpp mVpp
Ripple and noise are defined as periodic or random signals over the frequency band of 10Hz to 20MHz. Measurements will be made with an oscilloscope set to 20MHz bandwidth limit. Outputs will be tested per the following setup.
Recommended Input and Output Caps go here. 0.1uF Ceramic 10uF Tantalum Load Box
Converter +12V GND
DC Ground Tektronix probe p/n P6138A using BNC socket.
General Notes: 1. Load the outputs at specified minimum output current. 2. Connect the probe as shown with the input tip and ground as short as possible. 3. Take all measurements. 4. Repeat the measurements with the outputs at specified maximum output current. 5. The specification for maximum output ripple is not valid when the module is in a sinking mode. During sink the maximum peak-to-peak voltage limit is 2x the sourcing limit.
1150 Eglinton Avenue East Toronto, Ontario M3C 1H7 1-866-740-1232 S020_084-S020-00_RevC_Jan12-2005.fm
Oscilloscope 20MHz BW setting
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12.0V input, 1.2 to 5.0V adjustable output, 20A or 55W
Input and Output Capacitance
The power supply requires the following capacitance (or equivalent) on the PWB.
DC/DC Converter DC/DC Converter Programmable, Single Output, 1.1V - 1.85Vout @ 60A
Output Level
+5V +3.3V +2.5V +1.8V +1.5 1.25V 1.2V
Output Capacitance *
One 680uF, 6.3V SP OSCON One 820uF, 4V SP OSCON One 820uF, 4V SP OSCON One 820uF, 4V SP OSCON One 820uF, 4V SP OSCON One 820uF, 4V SP OSCON One 820uF, 4V SP OSCON Or equivalent. MBZ type AL-E caps or POSCAPs may be used instead.
* Output Ceramic Capacitance > 60F located close to the module INPUT CAPACITANCE Although input capacitance value is not critical, the input capacitors must be capable of storing fairly large amounts of energy. The primary criteria, though, for choosing the input capacitors is AC ripple current rating. The SIP datasheet contains a chart showing ripple current vs. output current (or output power). The system designer determines the maximum SIP output current required from the SIP. Based on that number, the chart will show a corresponding ripple current rating the designer needs to plan for when choosing input capacitors. Suggested capacitors are OSCONS, MBZ type AL-E or POSCAPS. It is advised that the ripple current capacity of the capacitor be derated to the estimated ambient temperature. Capacitors of at least 16V are necessary and the user should also place >22F of ceramics close to the module.
Output Transient Response (Dynamic Loading)
The output voltages will remain within their regulation limits specified for the load steps defined below. The maximum over/undershoot voltages will not exceed those defined below and will not cause any over or undervoltage detection circuits to activate. The load slew rate will not exceed 10A/S. Recommended input and output capacitors should be used to meet the Spec.
Output Level +5V +3.3V +2.5V +1.8V +1.5 1.25V 1.2V
Maximum Load Step 50% 50% 50% 50% 50% 50% 50%
Minimum Starting DC Load 0A 0A 0A 0A 0A 0A 0A
Voltage Over/Undershoot 4% 5% 5% 7% 7% 10% 10%
1150 Eglinton Avenue East Toronto, Ontario M3C 1H7 1-866-740-1232 S020_084-S020-00_RevC_Jan12-2005.fm
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12.0V input, 1.2 to 5.0V adjustable output, 20A or 55W
Shock and Vibration
Vibration Test Tri-axis random vibration (as generated by pneumatic hammer) Typical vibration conditions: Frequency Range: Vibration Levels: Step Dwell Time: Final Dwell Time: Unit Line Condition: Unit Load Condition: Broadband 20 to 55Grms 10-15 minutes 30-60 minutes Nom Input voltage Full Load Output
DC/DC Converter DC/DC Converter Programmable, Single Output, 1.1V - 1.85Vout @ 60A
The UUT will survive any specified vibration level or 30Grms minimum without damage and performance will remain within specification limits during vibration testing Shock Test NON-OPERATING/SHIPPING Drop/Impact The power supply, in its individual shipping package, will be capable of withstanding the impacts specified in the International Safe Transit Association's Integrity Test Procedure 1A - Impact Test. Test System: Orientation: Drop Height: Number of Drops: Free Fall Drop Test System Six (6) faces, three (3) edges, and one (1) corner Height levels determined by product weight (minimum 8 inches (150 lb.), maximum 30 inches (21 lb.)) Ten (10)
C&D Technologies, Inc. reserves the right to alter or improve the specification, internal design or manufacturing process at any time, without notice. Please check with your supplier or visit our website to ensure that you have the current and complete specification for your product before use. (c) C&D Technologies, Inc. 2004 No part of this publication may be copied, transmitted, or stored in a retrieval system or reproduced in any way including, but not limited to, photography, photocopy, magnetic or other recording means, without prior written permission from C&D Technologies, Inc. Instructions for use are available from: www.cdtechno-cps.com
1150 Eglinton Avenue East Toronto, Ontario M3C 1H7 1-866-740-1232 S020_084-S020-00_RevC_Jan12-2005.fm
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