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| MS10A SERIES Description The MS10A brings a high current output to a surface mount package. Using only a 1 " square footprint, it is perfect for point-of-load applications that demand a high performance power source. Designed for use with today's latest microprocessors, ASICs, and DSPs, the MS10A provides superior transient response using Bourns Switch Power's patented V2TM architecture. Output voltages are user selectable, allowing greater flexibility in design and layout. Each high efficiency converter includes separate control pins for output enable/disable and output voltage trim. The MS10A output can also accept an external voltage across its output; an advantage when power multiple input processors. Features * Low Cost * 10-amp Output Current * 92 % Efficiency * Low 0.36 " Profile * Remote Sense * Adjustable Vout * Trim Function * Short-circuit Protection with auto-restart * Fast Transient Response * High-temperature Operation * Remote Enable * Output Precharge Capability Input Voltage Current Remote Enable High = Disable Low = Enable E/D Current Common Specifications Min 3.0 4.5 Nom 3.3 5 10 Max 3.6 5.5 Units Vdc Vdc A Vdc Vdc mA Notes 2.4 0.4 1 Open = Enable Output Current Current Limit Voltage Setpoint Accuracy Line Regulation Load Regulation Dynamic Response 0 to 100 % load 100 to 0 % load 0 11 1 0.1 0.2 200 17 200 20 10 2 A A %Vnom %Vnom %Vnom Patents 5,770,940 Temperature Regulation General MTBF Operating Temperature Storage Temperature Switching Frequency mV i/t = 3 A/s s mV i/t = 3 A/s s 0.02 %Vout/C 553 -40 -55 450 350 85 125 k Hrs C C kHz kHz 25 C, 80 % load 5 Vin 3.3 Vin 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 Reliable Electronic Solutions www.bourns.com Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. MS10A SERIES Electrical Specifications Nominal Input (V) MS10A-3SA MS10A-5SA 3.3 5 Output Voltage (V) 1.0 - 2.5 1.0 - 3.5 Output Current (A) 10 10 Ripple (mV pp) max 100 100 Efficiency (%) typ 92 92 1.0 (25.4) 7 8 9 10 6 5 4 3 0.1 (2.54) 0.1 (2.54) 0.1 (2.54) 0.1 (2.54) 0.4 (10.16) 11 12 Top View 0.44 max Side View 1.0 (25.4) 0.080 TYP (2.0) TYP 0.040 TYP (1.0) TYP 1.0 (25.4) L1 2 1 0.1 (2.54) 0.1 (2.54) Vin Pin 1,2,6,10 3 4 5 7 8,9 11,12 Function GND Enable - Sense Trim + Sense Vout Vin 100 f / 10 V MS10A 11 Vin 12 Vin Vout 8 Vout 9 +Sense 7 Trim 5 -Sense 4 Vout 100 f 10 V RTrim 1.0 (25.4) 3 Enable 1 2 6 10 RTrim = 1.24 / (Vout - 1) k USE RTrim to set Output Voltage MS10A Temperature Derating 3.3Vin Still Air (0 lfm) Full Power to 85 C with 100 lfm or greater 0.083 typ inches (mm) 0.xx 0.01 inches 0.xxx 0.005 inches Max Output (A) 10 8 6 4 2 2.5 Vout 1.5 Vout 1.0 Vout 0.950 (24.1) 0 -20 -10 0 50 60 70 80 90 Ambient Temperature (C) 0.025 (.635) 0 Max Output (A) 0.100 (2.54) 0 0.100 (2.54) 0.500 (12.7) 0.600 (15.2) 0.700 (17.8) 0.800 (20.3) 10 8 6 4 2 0 MS10A Temperature Derating 5Vin 1.0 or 3.3 Vout 200 lfm Still Air (0 lfm) 1.0 Vout 3.3 Vout ALL DIMENSIONS ARE IN INCHES. BOARD OUTLINE AND PADS -20 -10 0 50 60 70 80 90 Ambient Temperature (C) REV. 01/05 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. |
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