KA79LXXA_02 Datasheet, PDF (1/12 Pages) Fairchild Semiconductor – 3-Terminal 0.1A Negative Voltage Regulator

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KA79LXXA
3-Terminal 0.1A Negative Voltage Regulator
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
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
Q6
Q7
R18
R
Q16Q14
R28 _R24
Q15
Q13
R25
Q4
Q17
C1
R1
Q9
R17 _{Q8 Q1}
R16
R2
R29 ^R7
D1
Q2 ^Q3
R6
R3
R4 ^R5
©2002 Fairchild Semiconductor Corporation
Rev. 1.0.2