HA16103FPJ/FPK

Rev.3.00 Jun 15, 2005 page 2 of 18

Pin Arrangement

P-RUN

GND

NC

NC

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

NC

(Top view)

Rf

Cf

R

CR

R

VOUT

STBY

V

RES

NMI

C

V

V

NC

STBYadj

RES

CONT

CC

Pin Functions

No.

Pin Name

Description

1

NC

NC pin

2

P-RUN

P-RUN signal input pin for watchdog timer

3

Rf

Connect resistor Rf. Frequency bandwidth of the filter circuit depends on Rf

4

Cf

Connect resistor Cf. Frequency bandwidth of the filter circuit depends on Cf

5

6

7

GND

Ground

8

Voadj

5-V reference voltage fine-tuning pin. Connect a resistor between this pin and GND.

The value of output voltage is given by

× Voadj Unit for R1: kΩ

9

Connect the collector of an external PNP-type transistor. The pin supplies 5-V

regulated voltage for internal circuit

10

NC

NC pin

11

NC

NC pin

12

The external PNP-type transistor’s base control pin

13

Supply voltage pin. Operating supply voltage range is 6.0 to 40 V.

14

instant power cut or other cause),

NMI signals are generated.

start from LVI state),

then,

adjust the

15

pin or GND. The value of output voltage is given by

16

NMI

NMI signal output pin. Connect to pin NMI of the microcomputer

17

RES

RES signal output pin. Connect to pin RES of the microcomputer

18

GND. The value of output voltage is given by

19

STBY

STBY signal output pin. Connect to pin STBY of the microcomputer

20

NC

NC pin