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| Features Low cost 10 amp output current 92 % efficiency Low 0.55 profile Remote sense Adjustable Vout Short-circuit protection with auto-restart Fast transient response High temperature operation Remote enable Output precharge capability ST10A-12SA Series Power Module General Information This non-isolated SIP uses a 12 V input to provide 10 Amps of output current at voltages ranging from 0.8 V to 3.5 V. The ST10A output is adjustable by the user to provide any voltage within its range. Its extra low 0.8 V output will power even the latest in ASICs, microprocessors, and DSPs. The ST10A has an industry standard pinout, is 2 inches long, and only 0.55 inches high. Its total footprint is a space saving 0.75 in2. Features include Enable/Disable, output voltage trim, remote sense, short circuit protection with auto-restart, fast transient response, and high temperature operation. The ST10A is one of the most cost-effective DC-DC converters available. Electrical Specifications Nominal Input (V) ST10A-12SA 12 Input Voltage (V) 10 to 14 Output Voltage (V) 0.8 to 3.5 Output Current (A) 10 Ripple Max. (mV pp) 20 Efficiency Typ. (%) 90 Product Dimensions 7.6 (0.3) 50.8 (2.0) 14.0 (0.55) 12345 1.8 (0.07) 1.27 (0.050) 2.54 (0.100) 35.6 (1.400) 5.08 (0.2) 678 9 10 3.43 0.38 (0.135 .015) 0.5 TYP. PIN WIDTH (0.020) Input Specifications Voltage ......................................10 VDC Min. 12 VDC Nom. 14 VDC Max. Current .........................................4 A Nom. Remote Enable Low = Enable .....................0.4 VDC Max. High = Disable.....................2.4 VDC Min. (Open = Enable) E/D Current ............................250 A Nom. PIN DESCRIPTIONS: 1 - Vout 5 - Gnd 2 - Vout 6 - Gnd 3 - Sense 7 - Vin 4 - Vout 8 - Vin 9 - Trim 10 - Enable DIMENSIONS = MILLIMETERS (INCHES) TOLERANCES = (.xx) = .25 (.01) (.xxx) = .13 (.005) Product Schematic Vin (12 V) 7 - Vin 8 - Vin 1 - Vout 2 - Vout 4 - Vout 33 F 3 - REMOTE SENSE 9 - TRIM 10 - ENABLE 5 - GND 6 - GND Rtrim SEE TABLE 10 F + Vout Output Specifications Current ............................................0 to 10 A Current Limit .................................11 to 18 A Voltage Setpoint Accuracy ................................................1 %Vnom 2 %Vnom Max. Optional ...............................0.5 %Vnom 1 %Vnom Max. Line Regulation .....................0.1 %Vnom. Load Regulation ....................0.5 %Vnom. Ripple............20 mV pp Nom. (Vout = 1.5 V) Dynamic Response 50 to 100 % Load.................60 mV Nom. 50 s Nom. 100 to 50 % Load.................60 mV Nom. 50 s Nom. Temperature Regulation ...............................0.02 %Vout/C Max. + NOTES: 1. Use low ESR capacitors for VIN. 2. Part is enabled when ENABLE (10) is left floating or pulled low. 3. Part is disabled when ENABLE (10) is pulled high. 4. Use the table above to determine an RTRIM resistor for the desired voltage. 5. To get an intermediate voltage between 0.800 V and 3.500 V, use the equation at right. Rtrim = 2.408 - 0.887 (K) (Vout - 0.8) General Specifications MBTF ...2,000 kHrs Nom. (25 C, 80 % Load) Operating Temperature........-40 to +100 C Storage Temperature...........-55 to +125 C Switching Frequency............300 kHz Nom. VOUT 3.3 2.5 1.9 1.8 1.5 1.2 0.8 RTRIM (k) .0768 .523 1.3 1.5 2.55 5.11 open Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. ST10A-12SA Series Power Module How to Order S T 10A - 12 S A Configuration * S = SIP Internal Identifier Current/Power (Amps) Input Voltage (V) Outputs * S = Single Output Voltage (V) * A = Adjustable 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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