LTC3541-1 查看數據表（PDF） - Linear Technology

零件编号

产品描述 (功能)

生产厂家

LTC3541-1

High Efficiency Buck + VLDO Regulator

Linear Technology 

LTC3541-1

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

3.2V TO 4.2V

VOUT1

2.5V

400mA

2.2µH

22pF

154k

10µF

73k

VIN ENVLDO

ENBUCK MODE

SW

GND

LTC3541-1

LVIN

LFB

BUCKFB LVOUT

PGND

165k

576k

VOUT2

1.8V

30mA

2.2µF

35411 TA02a

VOUT

2V/DIV

LVOUT

2V/DIV

VIN

2V/DIV

IVOUT = 400mA

ILVOUT = 30mA

4ms/DIV

3541 TA02b

Dual Output with Minimal External Components Using Auto Start-Up

Sequence, Buck in Pulse Skip Mode for Low Noise Operation

VIN

3.2V TO 4.2V

VOUT1

2.5V

400mA

2.2µH

22pF

154k

10µF

73k

VIN ENVLDO

ENBUCK MODE

SW

GND

LTC3541-1

LVIN

LFB

BUCKFB LVOUT

PGND

165k

576k

VOUT2

1.8V

30mA

2.2µF

35411 TA03a

VOUT

2V/DIV

LVOUT

2V/DIV

VIN

2V/DIV

IVOUT = 400mA

ILVOUT = 30mA

4ms/DIV

3541 TA03b

35411fa

17

Share Link: