Datasheet

7
LT1109A
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
U
SA
O
PP
L
IC
AT
ITY
P
I
CA
L
2V to 5V Converter
5V to 12V Converter with Shutdown to 0V at Output
* COILTRONICS CTX10-1
SUMIDA CD54-100LC
** AVX TPS SERIES
1109A TA06
10µH*
V
IN
2V
+
MBRS130T3
8
3
1
7
4
5
+
22µF
SENSE
V
IN
PGNDGND
LT1109A-12
SHUTDOWN
SW
SHUTDOWN
33µF**
10V
5V
110mA
* COILTRONICS CTX33-2
SUMIDA CD54-330LC
** AVX TPS SERIES
1109A TA07
10µH*
V
IN
5V
+
MBRS130T3
8
3
1
7
4
5
+
22µF
SENSE
V
IN
PGNDGND
LT1109A-12
SHUTDOWN
SW
SHUTDOWN
47µF**
20V
V
OUT
12V
110mA
2k
+
1µF
2N4403