LTC1517-5 데이터 시트보기 (PDF) - Linear Technology

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LTC1517-5

Micropower, Regulated 5V Charge Pump in a 5-Pin SOT-23 Package

Linear Technology 

LTC1517-5

PIN FUNCTIONS

VIN (Pin 1): Charge Pump Input Voltage. May be between

2.7V and 5V. VIN should be bypassed with a ≥ 3.3µF low

ESR capacitor as close as possible to the pin for best

performance.

GND (Pin 2): Ground. Should be tied to a ground plane for

best performance.

VOUT (Pin 3): Regulated Output Voltage. VOUT should be

bypassed with a ≥ 3.3µF low ESR capacitor as close as

possible to the pin for best performance.

C1 + (Pin 4): Charge Pump Flying Capacitor Positive

Terminal.

C1 – (Pin 5): Charge Pump Flying Capacitor Negative

Terminal.

SI PLIFIED BLOCK DIAGRA

C1

0.1µF

VIN

CIN

C1–

C1+

CHARGE PUMP

800kHz

OSC

LTC1517-5

THERMAL

SHDN

1.25V

REF

3.75M

1.25M

VOUT

COUT

1517 BD

4

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