LTC3109 Datasheet, PDF (19/24 Pages) Linear Technology – Auto-Polarity, Ultralow Voltage Step-Up Converter and Power Manager

Typical Applications
Energy Harvester Operates from Small Temperature Differentials of Either Polarity
LTC3109
TEG
(THERMOELECTRIC GENERATOR)
±30mV TO ±500mV
T1
1:100
••
T2
1:100
••
1nF
470pF
1nF
470pF
C1A
V_OUT2
C2A
V_OUT
SWA VLDO
V_INA
LTC3109
C1B
C2B PG00D
OPTIONAL SWITCHED OUTPUT FOR SENSORS
3.3V
2.2V
2.2µF
+
470µF
LOW POWER
RADIO
µP
SENSOR(S)
SWB
V_INB
VS1
VS2
V_{OUT2_EN}
VSTORE
VAUX
GND
5.25V
+
1µF
C_STORE
3109 TA02
T1, T2: COILCRAFT LPR6235-752SML
3109f
19