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LTC3445_15 Datasheet, PDF (24/24 Pages) Linear Technology – I2C Controllable Buck Regulator with Two LDOs
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LTC3445
RELATED PARTS
PART NUMBER
LT1761
DESCRIPTION
100mA, Low Noise Micropower, LDO
LT1762
LT1763
LTC1844
150mA, Low Noise Micropower, LDO
500mA, Low Noise Micropower, LDO
150mA, Very Low Dropout LDO
LT1962
300mA, Low Noise Micropower, LDO
LT3020
LTC3405/LTC3405A
LTC3406/LTC3406B
LTC3407
LTC3411
LTC3412
LTC3455
LTC4055
Low VIN (0.9V) Low VOUT (0.2V) VLDOTM
300mA (IOUT), 1.5MHz Synchronous Step-Down
DC/DC Converter
600mA (IOUT), 1.5MHz Synchronous Step-Down
DC/DC Converter
Dual 600mA, 1.5MHz Synchronous Step-Down
DC/DC Converter
1.25A (IOUT), 4MHz Synchronous Step-Down
DC/DC Converter
2.5A (IOUT), 4MHz Synchronous Step-Down
DC/DC Converter
Dual DC/DC Converter with USB Power Manager and
Li-Ion Battery Charger
USB Power Manager and Li-Ion Battery Charger
LTC4411/LTC4412
PowerPath Controllers in ThinSOT
ThinSOT and VLDO are trademarks of Linear Technology Corporation.
COMMENTS
VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, Dropout Voltage = 0.30V,
IQ = 20µA, ISD < 1µA, VOUT = Adj, 1.5V, 1.8V, 2V, 2.5V, 2.8V, 3V,
3.3V, 5V, ThinSOTTM Package. Low Noise < 20µVRMS(P-P), Stable
with 1µF Ceramic Capacitors
VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, Dropout Voltage = 0.30V,
IQ = 25µA, ISD < 1µA, VOUT = Adj, 2.5V, 3V, 3.3V, 5V, MS8
Package. Low Noise < 20µVRMS(P-P)
VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, Dropout Voltage = 0.30V,
IQ = 30µA, ISD < 1µA, VOUT = 1.5V, 1.8V, 2.5V, 3V, 3.3V, 5V, S8
Package. Low Noise < 20µVRMS(P-P)
VIN: 6.5V to 1.6V, VOUT(MIN) = 1.25V, Dropout Voltage = 0.08V,
IQ = 40µA, ISD < 1µA, VOUT = Adj, 1.5V, 1.8V, 2.5V, 2.8V, 3.3V,
ThinSOT Package. Low Noise < 30µVRMS(P-P), Stable with 1µF
Ceramic Capacitors
VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, Dropout Voltage = 0.27V,
IQ = 30µA, ISD < 1µA, VOUT = 1.5V, 1.8V, 2.5V, 3V, 3.3V, 5V, MS8
Package. Low Noise < 20µVRMS(P-P)
VIN: 0.9V to 10V, VOUT(MIN) = 0.20V, Dropout Voltage = 0.15V,
IQ = 120µA, ISD < 1µA, VOUT = Adj, DFN Package
VIN: 2.5V to 5.5V, VOUT(MIN) = 0.8V, IQ = 20µA, ISD < 1µA, ThinSOT
Package
VIN: 2.5V to 5.5V, VOUT(MIN) = 0.6V, IQ = 20µA, ISD < 1µA, ThinSOT
Package
VIN: 2.5V to 5.5V, VOUT(MIN) = 0.6V, IQ = 40µA, ISD < 1µA, MS10E
Package
VIN: 2.5V to 5.5V, VOUT(MIN) = 0.8V, IQ = 60µA, ISD < 1µA, MS10
Package
VIN: 2.5V to 5.5V, VOUT(MIN) = 0.8V, IQ = 60µA, ISD < 1µA,
TSSOP16E Package
VIN: 3V to 5.5V, Seamless Transition Between Input Sources and
Li-Ion Battery, USB, 5V Wall Adapter, QFN24 Package
Standalone Charger, Automatic Switchover when Input Supply
is Removed
More Efficient than Diode ORing
24 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
3445fa
LT/LT 0705 REV A • PRINTED IN THE USA
© LINEAR TECHNOLOGY CORPORATION 2004