LT1109 Datasheet, PDF (7/8 Pages) Linear Technology – Micropower Low Cost DC/DC Converter Adjustable and Fixed 5V, 12V

TYPICAL APPLICATI S
3-Pin Package Flash Memory VPP Generator
33 µH
CADDELL-BURNS
7120-19
V_IN
5V
1N4933
2N4403
SW
V_OUT
LT1109CZ-12
GND
12V
30mA
10k
+ _10µF
20V
10k
SHUTDOWN PROGRAM
VN2222
QUIESCENT CURRENT = 0 IN SHUTDOWN
LT1109 • TA05
3V to 12V Converter
2 CELLS
22 µH
CADDELL-BURNS
7120-17
1N5818
SW
V_OUT
LT1109CZ-12
+
GND
12V
40mA AT 3V INPUT
15mA AT 2V INPUT
10µF
20V
LT1109 • TA07
LT110 9
3V to 5V Converter
2 CELLS
22 µH
CADDELL-BURNS
7120-17
1N5818
SW
V_OUT
LT1109CZ-5
+
GND
5V
100mA AT 3V INPUT
20mA AT 2V INPUT
22µF
16V
LT1109 • TA06
3V to 5V Converter with Shutdown
L1*
22µH
2 CELLS
V_IN
SW
LT1109CS8-5
SDN
SENSE
GND
MBRS120T3
5V OUTPUT
+ _22µF
16V
SHUTDOWN
*L1 = SUMIDA CD54-220LC
LT1109 • TA08
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.
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