Order this document by MC79M00/D
The MC79M00 series of fixed output negative voltage regulators are
intended as complements to the popular MC78M00 series devices.
Available in fixed output voltage options of –5.0, –8.0, –12 and –15 V,
these regulators employ current limiting, thermal shutdown, and safe–area
compensation – making them remarkably rugged under most operating
conditions. With adequate heatsinking they can deliver output currents in
excess of 0.5 A.
• No External Components Required
• Internal Thermal Overload Protection
• Internal Short Circuit Current Limiting
• Output Transistor Safe–Area Compensation
• Also Available in Surface Mount DPAK (DT) Package
DEVICE TYPE/NOMINAL OUTPUT VOLTAGE
TJ = – 40° to +125°C
TJ = 0° to +125°C
XX indicates nominal voltage.
Representative Schematic Diagram
connected to Pin 2.
Pin 1. Ground
Heatsink surface (shown as terminal 4 in
case outline drawing) is connected to Pin 2.
4.0 k R1
10 k VO
10 pF 10 k
20 k 20 k
This device contains 31 active transistors.
MOTOROLA ANALOG IC DEVICE DATA
A common ground is required between the input
and the output voltages. The input voltage must
remain typically 1.1 V more negative even during
the high point of the input ripple voltage.
XX, These two digits of the type number indicate
* Cin is required if regulator is located an
appreciable distance from power supply filter.
** CO improve stability and transient response.
© Motorola, Inc. 1996