AIC1641

LOW VOLTAGE STEP-UP DC/DC CONVERTER

SPEC NO: DS-1641-00 05/04/00

ANALOG INTEGRATIONS CORPORATION

www.analog.com.tw

4F, 9 Industry E. 9th Road, Science-based Industrial Park , Hsinchu, Taiwan, R.O.C.

TEL: (8863)577-2500 FAX:(8863)577-2510

7

-40

-20

0

2040

6080

100

40

50

60

70

80

90

100

110

120

130

AIC1641 EXT "L" On-Resistance

Temperature (

o

C)

-40

-20

0

20

40

60

80

100

40

80

120

160

200

240

280

320

360

400

AIC1641 EXT "H" On-Resistance

Temperature (

o

C)

BLOCK DIAGRAM

+

GND

VOUT

EXT

1.25V REF.

1M

Enable

-

OSC, 100KHz

Chip Enable

CE

PIN DESCRIPTIONS

NC -

Not Connected.

tor output.

CE -

Chip enable pin (Active High).

EXT -

Push pull driver output for external power

switch.

GND – Ground Terminal. Must be low impedance;

sorder directly to ground plane.