HA16141P/FP, HA16142P/FP

Rev.4, Sep. 2001, page 2 of 18

Pin Arrangement

(Top view)

1

2

3

4

5

6

7

8

PWM-CS

PWM-EO

O.C

PFC-EO

TIM

PFC-FB

IAC

PFC-ON

16

15

14

13

12

11

10

9

GND

PWM-OUT

PFC-OUT

VCC

VREF

PG

CAO

PFC-CS

Pin Description

Pin No.

Symbol

Function

1

GND

Ground

2

PWM-OUT

Power MOS FET driver output (PWM control)

3

PFC-OUT

Power MOS FET driver output (PFC control)

4

VCC

Supply voltage

5

VREF

Reference voltage

6

PG

Power Good signal output (open-drain output)

7

CAO

Average current control error amp. output

8

PFC-CS

PFC control current sense signal input

9

PFC-ON

PFC function on/off signal input

10

IAC

Multiplier reference current input

11

PFC-FB

PFC control error amp. input

12

TIM

Overcurrent timer time setting

13

PFC-EO

PFC control error amp. output

14

O.C

Overcurrent detector signal input

PWM control error amp. output (photocoupler input also possible) (HA16141 only)

15

PWM-EO

PWM control feedback voltage signal input (HA16142 only)

16

PWM-CS

PWM control current sense signal input