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PT7713N Datasheet(PDF) 1 Page - Texas Instruments |
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PT7713N Datasheet(HTML) 1 Page - Texas Instruments |
1 / 9 page For technical support and more information, see inside back cover or visit www.ti.com PT Series Suffix (PT1234 x ) Case/Pin Order Package Configuration Suffix Code † Vertical N (ENE) Horizontal A (ENF) SMD C (ENG) † Previously known as package styles 1420 & 1430 (Reference the applicable package code drawing for the dimensions and PC board layout) PT7713—3.3V 20-A Programmable Integrated Switching Regulator SLTS149A (Revised 6/27/2002) Features • 3.3V Input Voltage • 20-A Output Current • 4-bit Programmable: 1.8V to 2.55V (50mV Steps) • High Efficiency (90%) • Differential Remote Sense • Over-Current Protection Description The PT7713 Excalibur™ power module is a 20-A integrated switching regulator (ISR) housed a 27-pin space-saving copper package. Operating from a 3.3V input bus, the PT7713 produces a tightly regu- lated supply voltage that is programmable over the range, 1.8V to 2.55V. The output voltage is selected via a unique 4-bit input code that adjusts the output in steps of 50mV. This regulator is most suitable for microprocessor and DSP applications requiring core or I/O logic supply voltages as low as 1.8V. The PT7713 incorporates output short- circuit protection, and a differential remote sense to compensate for voltage drop between the regulator and load. • 27-Pin Space-Saving Package • Solderable Copper Case • Compatible with PT7744 20A “Current Booster” Standard Application Cin = Required 1500µF electrolytic Cout = Required 330µF electrolytic L1 = Optional 1µH input choke PT7713 4321 2 6 20-25 12 5 13-19 27 7-11 L O A D C OUT + C IN + PROGRAMMING PINS V IN V OUT SYNC OUT GND REMOTE SENSE ( + ) REMOTE SENSE ( – ) STBY* VID0 VID1 VID2 VID3 L1 1µH GND For STBY* pin: open =output enabled ground =output disabled. Pin-Out Information Pin Function 1 VID0 2 VID1 3 VID2 4 VID3 5 STBY * 6 No Connect 7Vin 8Vin 9Vin 10 Vin 11 Vin 12 Rem Sense Gnd 13 GND 14 GND Pin Function 15 GND 16 GND 17 GND 18 GND 19 GND 20 Vout 21 Vout 22 Vout 23 Vout 24 Vout 25 Vout 26 Rem Sense Vout 27 Sync Out Ordering Information PT7713 o = 1.8 to 2.55 Volts PT7744 o = 20-A Booster * * Consult the related application note for information on current booster operation. |
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