Datasheet

LTC3109
8
3109fb
For more information www.linear.com/LTC3109
block DiagraM
VS1
V
OUT
V
OUT2_EN
V
OUT2
1Ω
V
OUT
C
OUT
V
OUT2
V
OUT
PROGRAM
VS2
VSTORE
V
LDO
PG00D
PG00D
1M
V
REF
1.2V
–
+
–
+
V
REF
V
STORE
V
OUT
V
REF
VAUX
C
AUX
1µF
C
LDO
2.2µF
VLDO
2.2V
V
OUT
5.25V
C1A
CHARGE
CONTROL
POWER
SWITCHES
LDO
SYNC
RECTIFY
SYNC
RECTIFY
REFERENCE
C2A
C1B
C2B
SWA
V
INA
V
INB
SWB
••
••
V
IN
GND
+
C
STORE
3109 BD
+