IP138A SERIES

IP338A SERIES

LM138 SERIES

Prelim. 4/96

Website: http://www.semelab.co.uk

Ω

µ

Ω

Ω

Ω

Ω

OUT

P

L

IN

IN

IN

8

6

4

3

2

7

1

25

F

1k

5

121

25

383

5V

VV

V

R

R

(Max Drop 300mV)

OUTPUT

RETURN

RETURN

V

LM301A

ADJ

IP138A

IN

OUT

IN

OUT

1F

1k

121

1k

383

V

V

5V

ADJ

VV

2N3904

TTL

IP138A

Ω

Ω

Ω

µ

Ω

IN

OUT

PP

1F

1%

249

39k

18k

100k

750

1%

3.24k

1%

ADJ

V

V

To

To OE

READ

WRITE

BYTE ERASE

CHIP ERASE

+24V

V

IP138A

All gates 7406.

Ω

µ

Ω

Ω

Ω

Ω

Ω

OUT

IN

IN

1F

R1

121

C1

10 F

R2

383

VV

ADJ

V

5V

IP138A

Ω

µ

µ

Ω

THERMALLY

COUPLE

IN

OUT

IN

20k

50

10k

50k

12V

243

2N3906

1N4001

VV

V

ADJ

IP138A

Ω

Ω

Ω

Ω

Ω

Remote Sensing

5V Regulator with Shut Down

Improving Ripple Rejection

Temperature Compensated Lead–Acid Battery Charger

OE

READ

0V

5V

WRITE

BYTE

5V

21V

CHIP ERASE 12V

21V

2816 EEPROM Supply Programmer for

Read/Write Control

APPLICATIONS INFORMATION

C1 improves ripple rejection.