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| LTC3129-1_15 Datasheet, PDF (23/30 Pages) Linear Technology – 15V, 200mA Synchronous Buck-Boost DC/DC Converter with 1.3A Quiescent Current | |||
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Typical Applications
Low Noise, Fixed Frequency, Wide VIN Range 12V Converter
VIN
2.42V TO 15V
4.7µF
VCC
22nF 6.8µH 22nF
BST1 SW1
VIN
SW2 BST2
VOUT
LTC3129-1
RUN
VIN < 12V, IOUT = 30mA
VIN > 12V, IOUT = 200mA
10µF
16V
VOUT
12V
1M
MPPC
PWM
VS1
VS2
VS3 GND
PGOOD
VCC
PGND
2.2µF
31291 TA02
PGOOD
LTC3129-1
3.3V Converter Provides Extremely Long Run Time in Low Drain Applications Using Lithium Thionyl Chloride Battery
22nF 4.2µH 22nF
BST1 SW1
SW2 BST2
VIN
VIN
VOUT
47µF
LTC3129-1
22µF
RUN
1M
VCC
Li-SoCl2
AA
SAFT LS14500
TADIRAN TL-4903
MPPC
PWM
PGOOD
VS1
VS2
VS3 GND
VCC
PGND
PGOOD
2.2µF
RUN TIME
> 100,000 HRS (11.4 YEARS) AT 10µA (33µW) AVERAGE LOAD
> 34,000 HRS (3.9 YEARS) AT 50µA (165µW) AVERAGE LOAD
31291 TA03
VOUT
3.3V
For more information www.linear.com/LTC3129-1
31291fb
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