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TPS60303DGSRG4 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS60303DGSRG4 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 22 page TPS60300, TPS60301, TPS60302, TPS60303 SINGLE-CELL TO 3.0-V/3.3-V, 20-mA DUAL OUTPUT, HIGH-EFFICIENCY CHARGE PUMP SLVS302A – DECEMBER 2000 – REVISED MARCH 2001 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 TPS60300 and TPS60301 functional block diagram CP1 2x (Doubler) Charge Pump Oscillator Control C1F C1+ C1– CP2 1.5x/2x Charge Pump Reg _ + _ + Vref _ + C2F C2+ C2– PG OUT1 OUT2 GND EN VIN (Push-Pull Output for TPS60302 and TPS60303) Terminal Functions TERMINAL I/O DESCRIPTION NAME NO. I/O DESCRIPTION C1+ 4 Positive terminal of the flying capacitor C1F C1– 2 Negative terminal of the flying capacitor C1F C2+ 7 Positive terminal of the flying capacitor C2F C2– 8 Negative terminal of the flying capacitor C2F EN 1 I Device-enable input – EN = Low disables the device. Output and input are isolated in shutdown mode. – EN = High enables the device. GND 9 GROUND OUT1 5 O 2 × VIN power output. Bypass OUT1 to GND with the output filter capacitor C(OUT1). OUT2 6 O Regulated 3.3-V power output (TPS60300, TPS60302) or 3-V power output (TPS60301, TPS60303), respectively Bypass OUT2 to GND with the output filter capacitor C(OUT2). PG 10 O Power good detector output. As soon as the voltage on OUT2 reaches about 98% of its nominal value this pin goes high. Open drain output on TPS60300 and TPS60301. A pullup resistor should be connected between PG and OUT1 or OUT2. Push-pull output stage on TPS60302 and TPS60303 VIN 3 I Supply input. Bypass VIN to GND with a ≥1-µF capacitor. |
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