LTC3541-2(RevA) Просмотр технического описания (PDF) - Linear Technology

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производитель

LTC3541-2
(Rev.:RevA)

High Efficiency Buck + VLDO Regulator

Linear Technology 

LTC3541-2

TYPICAL APPLICATIO S

Dual Output with Minimal External Components Using Auto Start-Up Sequence,

Buck in Burst Mode Operation for High Efficiency Down to Low Load Currents

VIN

2.9V TO 4.2V

2.2µH

VOUT1

1.875V

200mA

10µF

SW ENVLDO

VIN

MODE

LTC3541-2

ENBUCK GND

VOUT

LVIN

LVOUT

PGND

VOUT2

1.5V

2.2µF 300mA

35412 TA02a

VOUT

1V/DIV

LVOUT

1V/DIV

VIN

2V/DIV

IVOUT = 200mA

ILVOUT = 300mA

2ms/DIV

35412TA02b

Dual Output with Minimal External Components Using Auto-Start-Up

Sequence, Buck in Pulse-Skip Mode for Low Noise Operation

VIN

2.9V TO 4.2V

2.2µH

VOUT1

1.875V

200mA

10µF

SW ENVLDO

VIN

MODE

LTC3541-2

ENBUCK GND

VOUT

LVIN

LVOUT

PGND

VOUT2

1.5V

2.2µF 300mA

35412 TA03a

VOUT

1V/DIV

LVOUT

1V/DIV

VIN

2V/DIV

IVOUT = 200mA

ILVOUT = 300mA

2ms/DIV

35412TA03b

35412fb

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