LT1109

7

S

APPLICATI

TYPICAL

22 H

CADDELL-BURNS

7120-17

LT1109 • TA07

µ

+

GND

SW

OUT

V

LT1109CZ-12

2 CELLS

10

µF

20V

12V

40mA AT 3V INPUT

15mA AT 2V INPUT

1N5818

22 H

CADDELL-BURNS

7120-17

LT1109 • TA06

µ

+

GND

SW

OUT

V

LT1109CZ-5

2 CELLS

22

µF

16V

5V

100mA AT 3V INPUT

20mA AT 2V INPUT

1N5818

3-Pin Package Flash Memory VPP Generator

3V to 5V Converter

3V to 12V Converter

3V to 5V Converter with Shutdown

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.

33 H

CADDELL-BURNS

7120-19

LT1109 • TA05

µ

GND

SW

OUT

V

LT1109CZ-12

V

5V

IN

10

µF

20V

12V

30mA

1N4933

+

10k

10k

VN2222

SHUTDOWN

PROGRAM

QUIESCENT CURRENT = 0 IN SHUTDOWN

2N4403

L1*

22

µH

LT1109 • TA08

+

GND

SW

LT1109CS8-5

2 CELLS

22

µF

16V

MBRS120T3

SDN

SHUTDOWN

SENSE

5V OUTPUT

*L1 = SUMIDA CD54-220LC