6

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GH-SERIES

(28V Input, Single Output)

Fig. 4 Block Diagram - Single Output

1

2

3

Input

Inhibit

Input

Return

Output

Output

Return

4

Sync

Input

-Sense

13

Sync

Output

BIAS

SUPPLY

UVLO &

INHIBIT

EMI

FILTER

PEAK

CURRENT

DETECTION

+12V

OSCILLATOR

PWM

CONTROLLER

SAMPLE

&

HOLD

FEEDBACK

TRIGGER

Case

SENSE

AMPLIFIER

ERROR

AMPLIFIER

+Sense

Vfb

REF &

S.S.

Ref

Aout

Bout

S.S.

Output

Adjust

Clk

+9V Sec. Bias

6

11

12

5

7/8

9/10

Fig. 3 – EMI CE03 Specification Limits and Typical Performance