MC79LXXA Datasheet, PDF (1/12 Pages) Fairchild Semiconductor – 3-Terminal 0.1A Negative Voltage Regulator

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MC79LXXA/LM79LXXA
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, -24V
Internal Block Diagram
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
Q10
Q11
R26
Q12
GND
R15
D3 D2
R22
Q5
R23+R21
R18
Q15
Q6
Q17
Q16 Q14 Q13
Q9
R28 _R24
R25 ^{R29 R7}
C1
R16 R17
Q7
R
Q4
R1
Q8 ^Q1 _R2
D1
Q2 Q3
R6
R3
Output
R27
R4 ^R5
Input
©2002 Fairchild Semiconductor Corporation
Rev. 1.0.2