©2002 Fairchild Semiconductor Corporation

www.fairchildsemi.com

Rev. 1.0.2

Features

• Output Current up to 100mA

• No External Components

• Internal Thermal Over Load Protection

• Internal Short Circuit Current Limiting

• Output Voltage Offered in

±5% Tolerance

• Output Voltage of -5V, -8V, -12V, -15V, -18V

and -24V

Description

These regulators employ internal current limiting and

thermal shutdown, making them essentially indestructible.

TO-92

1.GND 2.Input 3.Output

1

8-SOP

SOT-89

1

1

1. Output 2.3.6.7. Input 5. GND 4.8. NC

Internal Block Diagram

Q1

Q2 Q3

Q4

Q5

Q6

Q7

Q8

Q9

Q10

Q11

Q12

Q13

Q14

Q15

Q16

Q17

R1

R2

R3

R4

R6

R7

R15

R16

R17

R18

R22

R26

R23+R21

R24

R25

R28

R29

R

R5

C1

D1

D2

D3

KA79LXXA

3-Terminal 0.1A Negative Voltage Regulator