MC79L05A Datasheet, PDF (1/6 Pages) Fairchild Semiconductor – 3-Terminal 0.1 A Negative Voltage Regulator-12

December 2012
MC79L05A / LM79L05A
3-Terminal 0.1 A Negative Voltage Regulator
Features
• Output Current up to 100 mA
• No External Components
• Internal Thermal Over load Protection
• Internal Short-Circuit Current Limiting
• Output Voltage Offered in ±5% Tolerance
• Output Voltage: -5 V
Description
These regulators employ internal current limiting and
thermal shutdown.
TO-92
SOT-89
1
1
1.GND 2.Input 3.Output
Ordering Information
Part Number
MC79L05ACHX
MC79L05ACP
LM79L05ACZ
Block Diagram
Operating Tem-
perature Range
0 ~ +125°C
Top Mark
9A
MC79L05ACP
LM79L05ACZ
Package
SOT-89
TO-92
TO-92
Packing Method
Tape and Reel
Bulk
Bulk
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
Q4
R1
Q8 ^Q1 _R2
R
D1
Q2 Q3
R6
R3
Output
R27
R4 ^R5
Input
Figure 1. Block Diagram
© 2004 Fairchild Semiconductor Corporation
MC79L05A / LM79L05A Rev. 1.1.0
1
www.fairchildsemi.com