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SC5A SERIES
HDLV Family
Description
The SC5A is a 5-amp, full-featured, non-isolated DC-DC converter. Designed for 12 V distributed power systems, the SC5A comes in a SIP form factor to minimize board space and maximize power density. It combines an industry-standard pin-out with a mounted height of only 0.5 inches. Using Bourns Switch Power's proprietary V2TM architecture with a 12 V input, the SC5A provides ultrafast transient response, improved line and load regulation, and very high efficiency.
Features
* 5-amp Output Current * 94 % Efficiency * Industry-standard Pin-out * Low 0.5 " Profile * Non-isolated Output * Remote Sense * Remote Enable * Short-Circuit Protection with Auto restart * Trim Function * Fast Transient Response * High-temperature Operation * 60 W/in 3 Power Density Input Voltage Current Remote Enable High = Disable Low = Enable Current
Common Specifications
Min 9 Nom Max 12 16 3 5.5 0.7 20 Units Vdc A Vdc Vdc mA Notes 10-16 V for SC5A-12S5
2.4
Source 500 A Open=Enable Disabled
Output Current 0 Sense Compensation Voltage Setpoint Accuracy Voltage Trim Range -10 Line Regulation Load Regulation Temp Regulation Current Limit 6 Dynamic Response 0 to 100 % load 100 to 0 % load Temperature Regulation General MTBF Operating Temperature Storage Temperature Switching Frequency
1.4 0.2 0.1 .005
5 50 2.3 +10
A mV %Vnom %Vnom %Vnom %Vnom %Vnom/C A i/t = 3 A/s i/t = 3 A/s
Patents 5,770,940 5,978,195
200 19 200 19
mV s mV s 0.02 %Vout/C
1,878 -25 -55 500 85 125
k Hrs C C kHz
25C, 80 % load, 100 lfm
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Reliable Electronic Solutions
www.bourns.com
Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
SC5A SERIES
Nominal Output Output Input Voltage Current (V) (V) (A) SC5A-12S5 12 5.0 5 SC5A-12S3.3 12 3.3 5 SC5A-12S2.5 12 2.5 5 SC5A-12S1.8 12 1.8 5
HDLV Family
Ripple (mV pp) typ 120 100 100 100 Efficiency (%) typ 93 90 88 85
Electrical Specifications
Standard Options
Add option designators to the end of the part number. Example; SC5A-12S3.3-Z Option Description Z -40 C Operation
0.37 (9.4)
2.53 (64.3) 0.48 (11.4) 0.135 .015 (3.43 0.38) 0.023 (0.6) typ pin width inches (mm) 0.xx 0.01 inches 0.xxx 0.005 inches SC5A Temperature Derating 100 still air 80 %Max Output Vout 100 f 10 V ESR<65 m Two output capacitors recommended for SC5A-12S5 to achieve ripple < 70 mV. 100 95 Efficiency (%) Efficiency (%) 90 85 80 75 70 65 60 1A 2A 3A 4A Output Current SC5A-12S2.5 10 Vin 12 Vin 15 Vin 5A SC5A Trim Circuits 60 40 20 0 200 lfm
Optional Operating Temp
12345 0.13 (3.3)
6 7 8 9 10
0.10 (2.54) 1.40 (35.6) 0.28 Verify the values in circles (7.2) 0.012 (0.3) typ pin thickness Vin
7-8 Vin 1,2,4 Vout 3 Remote Sense 9 Trim 10 Enable 5-6 Ground SC5A 7 Vin 8 Vin Vout 1 Vout 2 Vout 4
100 f 10 V ESR<40 m
100 lfm
Remote Sense 3 56 10 9 Enable Trim
-40
-30
-20
-10
0 50 60 70 Ambient Temperature (C) 100 95 90 85 80 75 70 65 60 1A
80
90
100
SC5A-12S5
SC5A-12S3.3
Vout Trim Gnd Rdown
Vout Trim Gnd Rup
10 Vin 12 Vin 15 Vin 2A 3A 4A Output Current SC5A-12S1.8 5A
Efficiency (%)
Efficiency (%) 10 Vin 12 Vin 15 Vin 1A 2A 3A 4A Output Current 5A
Rdown () = [(1000Vout - 1300) * (R1+R2)] - (R1*R2) 1300 - 1000Vout + R1 R1*1690 Rup () = -R 1300Vout - 1690 - 1.3R1 2 Vout = Desired output voltage Vnom R1 () R2 () 5.0 3,740 10,000 3.3 2,000 4,120 2.5 1,210 2,550 1.8 499 432
100 95 90 85 80 75 70 65 60
100 95 90 85 80 75 70 65 60 1A
10 Vin 12 Vin 15 Vin 2A 3A 4A Output Current 5A
REV. 01/05
Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.

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