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© Semiconductor Components Industries, LLC, 1994
October, 2016 − Rev. 10
1 Publication Order Number:
MC79L00/D
MC79L00A Series
100 mA Negative Voltage
Regulators
The MC79L00A Series negative voltage regulators are
inexpensive, easy−to−use devices suitable for numerous applications
requiring up to 100 mA. Like the higher powered MC7900 Series
negative regulators, this series features thermal shutdown and current
limiting, making them remarkably rugged. In most applications, no
external components are required for operation.
The MC79L00A devices are useful for on−card regulation or any
other application where a regulated negative voltage at a modest
current level is needed. These regulators offer substantial advantage
over the common resistor/Zener diode approach.
Features
• No External Components Required
• Internal Short Circuit Current Limiting
• Internal Thermal Overload Protection
• Low Cost
• Complementary Positive Regulators Offered (MC78L00 Series)
• Pb−Free Packages are Available
*Automotive temperature range selections are available with special test conditions
and additional tests in 5, 12 and 15 V devices. Contact your local ON Semiconductor
sales office for information.
R1
R2
Z1
R3
R
5
R18
Q1
R6
Q4
R7
R4
R8
Q5
Q10
Q8
R9
Q14
Q9
C
Q6
R10 R11
Q7
Q2
Q11
R14 R15
Q13
Q12
R16
R17
GND
Output
Input
Figure 1. Representative Schematic Diagram
THREE−TERMINAL LOW
CURRENT NEGATIVE FIXED
VOLTAGE REGULATORS
TO−92
P SUFFIX
CASE 29
SOIC−8
D SUFFIX
CASE 751
MARKING
DIAGRAMS
See detailed ordering and shipping information in the package
dimensions section on page 7 of this data sheet.
ORDERING INFORMATION
Pin 1. Ground
2. Input
3. Output
Pin 1. V
out
2. V
in
3. V
in
4. NC
5. GND
6. V
in
7. V
in
8. NC
xxx = Specific Device Code
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
y = B or C
G = Pb−Free Package
MC79L
xxxxx
ALYWG
G
1
8
(Note: Microdot may be in either location)
9Lxxx
ALYWy
G
1
8
1
2
3
1
2
BENT LEAD
TAPE & REEL
AMMO PACK
STRAIGHT LEAD
BULK PACK
3
www.onsemi.com
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