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| Features Low cost 10 amp output current 94 % efficiency Industry-standard pin-out Low 0.6 profile Remote sense Trim function Short-circuit protection with auto-restart Fast transient response High-temperature operation 75 W/in3 power density Remote enable Output precharge capability Patents 5,770,940; 5,978,195; 6,127,814 SC10A DAC Series - Power Module General Information The SC10A DAC is a low-cost, 10 amp, non-isolated DC-DC converter with an amazingly small footprint. Designed for today's high power microprocessors, the SC15A accepts a 5 V input and a DAC controlled output from 1.25 V to 3.5 V. Using Bourns proprietary V2TM architecture, the SC10A 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) SC10A5SDAC SC10A3SDAC 5 3.3 Output Voltage (V) 1.3 to 3.5 Output Current (A) 10 Ripple 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 .......................................10 A Nom. Enable Voltage High = On .................2.4 VDC Min. (Source 500 mA) Low = Off .............. -0.1 to 0.3 VDC (open = enable) Inhibit Current ........................0.1 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 ............................................0 to 10 A Current Limit...................................11 A Min. Voltage Setpoint Accuracy........1 %Vnom 2 %Vnom max. Voltage Trim Range.......-10 to +10 %Vnom Line Regulation ......................0.1 %Vnom Load Regulation ....................0.3 % Vnom (0.5 % without remote sense) Dynamic Response 0 to 100 % load ...................200 mV Nom. (i/t = 3 A/s) 17 s Nom. 100 to 0 % load ...................200 mV Nom. (i/t = 3 A/s) 20 s Nom. Temperature Regulation ...............................0.02 %Vout/C Max. 1 - Not available in 3.3 Vin. Product Dimensions 9.4 (0.37) 61.7 (2.43) 14.7 (0.57) 14.7 (0.57) 5.6 (0.22) 16 5.08 (0.2) 0.3 (0.012) TYP. PIN THICKNESS 0.5 (0.020) TYP. PIN WIDTH 2.54 (0.1) 6 12.7 (0.5) 5 1 5.3 (0.21) 3.43 0.38 (0.135 0.015) DIMENSIONS = MILLIMETERS (INCHES) General Specifications MBTF...2,000 kHrs Nom. (40 C, 80 % load) Operating Temperature .............0 to 100 C (-40 to +100 C optional) Storage Temperature...........-55 to +125 C Switching Frequency............500 kHz Nom. PIN DESCRIPTIONS: 1 - Vout 5 - Gnd 2 - Vout 6 - VID0 3 - Sense 7 - VID1 4 - Vout 8 - VID2 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. SC10A DAC Series - Power Module Product Schematic Vin MAXIMUM OUTPUT CURRENT (A) Temperature Derating 10 Rdown Trim Gnd Trim Gnd Rup 8 6 4 2 0 -40 -20 0 20 40 60 80 100 Rdown = 1.01 x (Vin - Vref) Vref - Vout Rup = 1.01 x Vref Vout - Vref OPTIONAL LOW TEMP OPERATION 200 LFM Vref is the output of the converter as selected using VID0 to VID4 AMBIENT TEMPERATURE (C) Vin 100 f / 10 V 12 - Vin 13 - Vin Vout - 1 Vout - 2 Vout - 4 REMOTE SENSE - 3 16 15 5 11 100 f 10 V Vout How to Order S C 10A - 5 S DAC -Z Configuration Internal Identifier Current/Power (Amps) Input Voltage (Volts) Outputs S = Single Output Voltage DAC = 5-pin DAC Controlled Output Options Z = Industrial Temperature Range (-40 C Operation) VID0 VID2 VID4 TRIM VID1 VID3 ENABLE 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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