www.fairchildsemi.com
KA79LXXA
3-Terminal 0.1A Negative Voltage Regulator
Features
Description
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These regulators employ internal current limiting and
thermal shutdown, making them essentially indestructible.
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
TO-92
SOT-89
1
1
1.GND 2.Input 3.Output
8-SOP
1
1. Output 2.3.6.7. Input 5. GND 4.8. NC
Internal Block Diagram
R26
Q10
R15
Q12
Q11
R22
Q5
D3
R23+R21
D2
R18
Q15
Q7
Q6
R
Q4
Q17
C1
Q16 Q14
R28
R24
Q13
R25
Q9
R29 R7
R1
R17
R16
Q8 Q1
R2
D1
Q2 Q3
R6
R3
R4
R5
Rev. 1.0.2
©2002 Fairchild Semiconductor Corporation
