 English |
|
|
|
|
|
|
|
| LTC3541 Datasheet, PDF (18/20 Pages) Linear Technology – High Efficiency Buck + VLDO Regulator | |||
| |||
| ◁ |
LTC3541
TYPICAL APPLICATIO S
Dual Output Using Minimal External Components with VOUT2 Controlled by External Logic
Signal, Buck in Burst Mode Operation for High Efficiency Down to Low Load Currents
VOUT1
2.5V
200mA
VIN
3.2V TO 4.2V
SW ENVLDO
2.2µH
VIN
MODE
ENBUCK GND
22pF 154k
LTC3541
10µF
BUCKFB LFB
LVIN
LVOUT
73k
PGND
165k
576k
VOUT2
1.8V
300mA
2.2µF
3541 TA04a
VOUT
2V/DIV
LVOUT
2V/DIV
VIN
2V/DIV
IVOUT = 200mA
ILVOUT = 300mA
4ms/DIV
3541 TA04b
Dual Output Using Minimal External Components with VOUT1 Controlled by External Logic
Signal, Buck in Burst Mode Operation for High Efficiency Down to Low Load Currents
VIN
2.9V TO 4.2V
VOUT1
1.8V
200mA
2.2µH
22pF 143k
10µF
115k
SW ENVLDO
VIN
MODE
ENBUCK GND
LTC3541
BUCKFB LFB
LVIN
LVOUT
PGND
150k
412k VOUT2
1.5V
300mA
2.2µF
3541 TA05a
VOUT
2V/DIV
LVOUT
2V/DIV
VIN
2V/DIV
IVOUT = 200mA
ILVOUT = 30mA
4ms/DIV
3541 TA05b
3541fa
18
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese