MCP1640T-ICHY datasheet(2/32 Pages) MICROCHIP

Part #	MCP1640T-ICHY

Description	0.65V Start-up Synchronous Boost Regulator with True Output Disconnect or Input/Output Bypass Option

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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2 / 32 page

MCP1640/B/C/D

DS22234A-page 2

 2010 Microchip Technology Inc.

VIN

GND

VFB

SW

VIN

0.9V To 1.7V

VOUT

3.3V @ 100 mA

COUT

10

µF

CIN

4.7

µF

L1

4.7

µH

VOUT

+

-

976 K



562 K



VIN

PGND

VFB

SW

VIN

3.0V To 4.2V

VOUT

5.0V @ 300 mA

COUT

10

µF

CIN

4.7

µF

L1

4.7

µH

VOUTS

+

-

976 K



309 K



VOUTP

SGND

EN

Efficiency vs. IOUT for 3.3VOUT

40.0

60.0

80.0

100.0

0.1

1.0

10.0

100.0

1000.0

Output Current (mA)

V

IN = 0.8V

V

IN = 1.2V

V

IN = 2.5V

Similar Part No. - MCP1640T-ICHY

Manufacturer	Part #	Datasheet	Description
Microchip Technology	MCP1640T-ICHY	474Kb / 32P	0.65V Start-up Synchronous Boost Regulator with True Output Disconnect or Input/Output Bypass Option 01/05/10
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Similar Description - MCP1640T-ICHY

Manufacturer	Part #	Datasheet	Description
Microchip Technology	MCP1640	474Kb / 32P	0.65V Start-up Synchronous Boost Regulator with True Output Disconnect or Input/Output Bypass Option 2010
	MCP1640	493Kb / 32P	0.65V START-UP SYNCHRONOUS BOOST REGULATOR WITH TRUE OUTPUT DISCONNECT OR INPUT/OUTPUT BYPASS OPTION 02/18/11
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MCP1640T-ICHY Datasheet(PDF) 2 Page - Microchip Technology

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