Datasheet

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