HA16341FP HITACHI [Hitachi Semiconductor], HA16341FP Datasheet - Page 19

Manufacturer Part Number

HA16341FP

Description

Redundant Secondary Switching Power Supply Controller

Manufacturer

HITACHI [Hitachi Semiconductor]

Datasheet

1.HA16341FP.pdf (21 pages)

HA16341NT/FP, HA16342NT/FP

Timing Chart 8 (Interface with Primary Control IC)

Vref

PG1

(from primary IC)

SET

RESET

Internal latch signal (inverting)

(OVP, OCL or Reverse current)

: Node S1 in Block Diagram

UVL2

(internal signal)

OUT

(PWM)

FAIL

(to primary IC)

Note: Reverse current is HA16341NT/FP only.

Rev.1, Jan. 2001, page 19 of 21