MCP1603LT Просмотр технического описания (PDF) - Microchip Technology

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производитель

MCP1603LT

2.0 MHz, 500 mA Synchronous Buck Regulator

Microchip Technology 

MCP1603/B/L

Package Types

MCP1603/MCP1603B

TSOT

MCP1603L

TSOT

MCP1603

2 x 3 DFN*

VIN 1

GND 2

SHDN 3

5 LX

SHDN 1

GND 2

4 VFB/VOUT

LX 3

5 VFB/VOUT

4 VIN

LX 1

8 GND

NC 2 EP 7 VIN

SHDN 3 9 6 NC

VFB/VOUT 4

5 NC

* Includes Exposed Thermal Pad (EP); see Table 3-1.

Typical Application Circuit

VIN

2.7V to 4.5V

CIN

4.7 µF

VIN

LX

SHDN VFB

GND

L1

VOUT

4.7 µH 1.8V @ 500 mA

COUT

4.7 µF

100

90 VOUT = 1.8V

VIN = 2.7V

80

70

60

50

40

VIN = 3.6V

30

VIN = 4.5V

20

__ PFM/PWM (MCP1603/L)

--- PWM (MCP1603B)

10

0.1

1

10

100

1000

Output Current (mA)

DS22042B-page 2

 2007-2012 Microchip Technology Inc.

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