8

Supertex inc.

www.supertex.com

Doc.# DSFP - HV461

C071913

HV461

Figure 4: AMP Timing

Figure 3: ENABLE and SYNC Timing - SYNCMODE = 1

ENABLE

SYNC

Filtered

SINE REF

ErrAmp

Siezed

Siezed

Free

t

ON(DELAY)

τ

SYNC(ON)

τ

SYNC(OFF)

SYNC

t

SYNC(DELAY)

τ

SYNC(ON)

SINE

REF

AMP

AMP = 00

amplitude changes

sync’d to zero crossings

AMP ≠ 00

AMP ≠ 00

AMP = 00

Typical Application

Figures 5 and 6 on pages 9 and 10 show the schematic of a

typical 15 REN ring generator application. The basic design

equations for elements connected to different pins are given

in the Pin Descriptions Table beginning on page 11.