MCP1253 データシートの表示（PDF） - Microchip Technology

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MCP1253

Low Noise, Positive-Regulated Charge Pump

Microchip Technology 

MCP1252/3

6.0 TYPICAL APPLICATION CIRCUITS

Single Cell Lithium-Ion Battery To 5V Converter

1 µF

Single

Li-Ion

Cell

+ 10 µF

-

100 k

5

6

C-

C+

3 VIN

VOUT 2

7 SHDN SELECT 8

1 PGOOD GND 4

MCP1252-33X50

5V

10 µF

White LED Bias

Single

Li-Ion

Cell

+ 10 µF

-

100 k

PWM Contrast

Control

1 µF

5

6

C-

C+

3 VIN

VOUT 2

7 SHDN SELECT 8

1 PGOOD GND 4

MCP1252-ADJ

UP TO 6 WHITE LEDS

10 µF

59  59  59  59  59  59 

Alternative White LED Bias

Single

Li-Ion

Cell

+ 10 µF

-

100 k

1 µF

5

6

C-

C+

3 VIN

VOUT 2

7

SHDN

8

SELECT

1 PGOOD GND 4

PWM Contrast

Control

MCP1252-ADJ

UP TO 6 WHITE LEDS

10 µF 24 k

10 k 10  10  10  10  10  10 

DS21752B-page 12

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