 English |
|
|
|
|
|
|
|
| LTC3541-1 Datasheet, PDF (17/20 Pages) Linear Technology – High Efficiency Buck + VLDO Regulator | |||
| |||
| ◁ |
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
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese