ADM1014

–7–

REV.

PrN 1/02

Figure 1. Simplified Schematic

CURRENT TRACKING

AND

I-V CONVERTER

12VG

12VIN

12VO

-12VG

-12VIN

COMP

COMP

COMP

COMP

COMP

COMP

INHIBIT

INHIBIT

INHIBIT

ZENER

REFERENCE

4.6V

2.9V

10.8V

CURRENT

TRACKING

AND

I-V CONVERTER

-12VIN

LOW WHEN

VOCSET

100µA

5VISEN

5VS

3VISEN

3VS

-12VO

3V5VG

OCSET

12V IN

POWER-ON

RESET

GND

COMMON

TO BOTH

CHANNELS

CIRCUIT OF ONE CHANNEL SHOWN, BOTH CHANNELS ARE IDENTICAL. RESET AND OCSET CIRCUITRY WITHIN DASHED LINE IS COMMEON TO BOTH CHANNELS

COMP

CURRENT

TRACKING

AND

I-V CONVERTER

C

AUXG

AUXIN

AUXO

FLT

FAUX

PWRON

COMP

C

PAUXON

3V5VG