LTC3245_15 Datasheet, PDF (14/18 Pages) Linear Technology – Wide VIN Range, Low Noise, 250mA Buck-Boost Charge Pump

LTC3245
Typical Applications
Regulated 5V Low Noise Output
1µF
+ ^12V
LEAD ACID
1µF
BATTERY
C⁺
C^–
LTC3245
V_IN
V_OUT
BURST OUTS/ADJ
SEL2
PGOOD
SEL1
GND
3245 TA02
100k
V_OUT = 5V
I_VOUT UP TO 250mA
10µF
High Efficiency 3.3V Microcontroller Supply from 9V Alkaline
(with Power-On Reset Delay)
1µF
+ ^9V
ALKALINE
BATTERY
C⁺
C^–
LTC3245
V_IN
V_OUT
SEL1 OUTS/ADJ
1µF
SEL2
PGOOD
BURST
GND
3245 TA03
V_OUT = 3.3V
MICROCONTROLLER
V_DD
510k
10µF
POR
1µF
GND
Wide Input Range Low Noise 3.6V Supply
1µF
C⁺
C^–
LTC3245
V_IN = 2.7V TO 38V
V_IN
V_OUT
BURST
1µF
SEL1 OUTS/ADJ
SEL2
PGOOD
GND
3245 TA04
499k
249k
V_OUT = 3.6V
10µF
14
For more information www.linear.com/LTC3245
3245fa