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Features

Low cost 15 amp output current 90 % efficiency Industry-standard pin-out Low 0.6 profile Non-isolated output Remote sense

Trim function Enable / disable Short-circuit protection with auto-restart Fast transient response High-temperature operation Output precharge capability Patents 5,770,940; 5,978,195 & 6,127,814
SC15A DAC Series - Power Module
General Information
The SC15A DAC is a low-cost, 15 amp, non-isolated DC-DC converter with an amazingly small footprint of only 0.8 in2. Designed for today's high power microprocessors, the SC15A accepts either 5 V or 3.3 V inputs and offers DAC controlled outputs from 1.25 V to 3.5 V. Using Bourns proprietary V2TM architecture, the SC15A DAC provides ultrafast transient response, improved line and load regulation, and very high efficiency. It also incorporates short-circuit protection, Enable / Disable control, output voltage trim, and remote sense.
Standard Options
Nominal Input (V) SC15A-5SDAC SC15A-3SDAC 5 3.3 Output Voltage (V) 1.3 to 3.5 1.3 to 2.5 Output Current (A) 15 Short-circuit Current Typ. (A) 22 Noise Max. (mV pp) 100 Efficiency Typ. (%) 90
Output Voltage Selection
VID4 VID3 VID2 VID1 VID0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 Output 1.30 1.35 1.40 1.45 1.50 1.55 1.60 1.65 1.70 1.75 1.80 1.85 1.90 1.95 2.00 2.05 VID4 VID3 VID2 VID1 VID0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 Output 2.00 2.10 2.20 2.30 2.40 2.50
1 1 1 1 1 1 1 1 1 1
Input Specifications
Voltage 5 V input ................................4.5 VDC Min. 5 VDC Nom. 5.5 VDC Max. (4.75 Vin start-up) 3.3 V input .............................3.0 VDC Min. 3.3 VDC Nom. 3.6 VDC Max. Current ........................................15 A Max. Enable Voltage High = Disable.....................2.4 VDC Min. (Source 500 mA) Low = Enable .....................0.4 VDC max. Enable/Disable Current .............1 mA Nom.
2.601 2.701 2.801 2.901 3.001 3.101 3.201 3.301 3.401 3.501
Output Specifications
Current ..........................................15 A Max. Voltage Setpoint Accuracy .......................................2 %Vnom Max. Voltage Trim Range.......-10 to +10 %Vnom Line Regulation ......................0.1 %Vnom Load Regulation ....................0.3 % Vnom Current Limit...................................18 A Min. 21 A Nom. 30 A Max. Dynamic Response 0 to 15 A load ...................200 mV Nom. (i/t = 3 A/s) 19 s Nom. 15 to 0 A load ...................200 mV Nom. (i/t = 3 A/s) 19 s Nom. Temperature Regulation ...............................0.02 %Vout/C Max.
1 - Not available in 3.3 Vin.
Product Dimensions
9.4 (0.37) 76.2 (3.00)
15.24 (0.6)
6.1 (0.24)
16 5.08 (0.2)
6 2.54 (0.1) 12.7 (0.5)
5
1 16.51 (0.65)
0.3 (0.012) TYP. PIN THICKNESS 0.5 (0.020) TYP. PIN WIDTH 3.43 (0.135) TYP. PIN LENGTH BELOW SHOULDER PIN DESCRIPTIONS: 1 - Vout 5 - Gnd 2 - Vout 6 - VID0 3 - Sense 7 - VID1 4 - Vout 8 - VID2
DIMENSIONS = MILLIMETERS (INCHES) TOLERANCES = (.xx) = .25 (.01) (.xxx) = .13 (.005)
General Specifications
MBTF .................................1,000 kHrs Nom. (Bellcore TR332, 25 C) Operating Temperature..........-25 to +85 C (-40 to +85 C optional) Storage Temperature...........-40 to +125 C Switching Frequency ...............200 kHz Min. 300 kHz Nom. 400 kHz Max.
9 - VID3 10 - VID4 11 - Gnd 12 - Vin
13 - Vin 14 - No Pin 15 - Trim 16 - Enable
Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
SC15A DAC Series - Power Module
Product Schematic
SC15A DAC Vin 100 f / 10 V 12 - Vin 13 - Vin Vout - 1 Vout - 2 Vout - 4 REMOTE SENSE - 3 16 ENABLE 15 TRIM 5 11 Vout 100 f 10 V
% MAXIMUM OUTPUT
Temperature Derating
SC15A-5Sxx
100 80 STILL AIR 60 40 20 0 400 lfm
"-Z" LOW TEMP OPTION
How to Order
-40
-30
-20
-10
0
50
60
70
80
90
AMBIENT TEMPERATURE (C)
S C 15A - 5 S DAC -Z
Configuration Internal Identifier Current/Power (Amps) Input Voltage (Volts) Outputs S = Single Output Voltage (V) DAC = 5-pin DAC Controlled Output Options Z = Industrial Temperature Range (-40 C Operation)
SC15A-3Sxx
100 80 STILL AIR 60 200 lfm 40 20 0 -40 -30 -20 -10 0 50 60 70 80 90 "-Z" LOW TEMP OPTION 400 lfm
% MAXIMUM OUTPUT
AMBIENT TEMPERATURE (C)
Reliable Electronic Solutions
Asia-Pacific: TEL +886- (0)2 25624117 * FAX +886- (0)2 25624116 Europe: TEL +41-41 768 5555 * FAX +41-41 768 5510 The Americas: TEL +1-951 781-5500 * FAX +1-951 781-5700
www.bourns.com
COPYRIGHT(c) 2005, BOURNS, INC. LITHO IN U.S.A., REV. 1/05

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