LTC3109_15 Datasheet, PDF (8/24 Pages) Linear Technology – Auto-Polarity, Ultralow Voltage Step-Up Converter and Power Manager

LTC3109
Block Diagram
••
V_IN
••
SYNC
RECTIFY
C1B
REFERENCE
VREF
1.2V
SYNC
RECTIFY
C1A
5.25V
C2A
C2B
SWA
V_OUT
V_STORE
CHARGE
CONTROL
V_INA
POWER
V_REF
SWB ^SWITCHES
V_INB
V_OUT
LDO
V_REF
VAUX
C_AUX
1µF
VLDO
2.2V
C_LDO
2.2µF
1Ω
V_OUT2
V_{OUT2_EN}
V_OUT2
V_OUT
+
V_OUT
C_OUT
VS1
VS2
V_OUT
PROGRAM
V_LDO
+
1M
PG00D
PG00D
–
VSTORE
+
C_STORE
GND
3109 BD
3109fb
8
For more information www.linear.com/LTC3109