MCP1623 查看數據表（PDF） - Microchip Technology

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MCP1623

Low-Voltage Input Boost Regulator for PIC® Microcontrollers

Microchip Technology 

MCP1623/24

Typical Application

VIN

0.9V to 1.7V

+

CIN

4.7 µF

-

L1

4.7 µH

SW

VOUT

VIN

EN

VFB

GND

VOUT

3.3V

976 k

562 k

COUT

10 µF

VDD

PIC® MCU

VSS

FIGURE 1:

Typical Application Circuit.

FIGURE 2:

100

90

VIN = 2.5V

80

VIN = 1.2V

70

60

VIN = 0.8V

50

40

30

20

0.01

0.1

1

10

100

IOUT (mA)

MCP1624 Efficiency vs. IOUT, VOUT = 3.3V.

1000

DS40001420D-page 2

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