KA78M05 / LM78M05 / MC78M05 — 3-Terminal 0.5 A Positive Voltage Regulator
January 2015
KA78M05 / LM78M05 / MC78M05 3-T...
KA78M05 / LM78M05 / MC78M05 — 3-Terminal 0.5 A Positive
Voltage Regulator
January 2015
KA78M05 / LM78M05 / MC78M05 3-Terminal 0.5 A Positive
Voltage Regulator
Features
Description
Output Current up to 0.5 A Output
Voltages of 5 V Thermal Overload Protection Short-Circuit Protection Output Transistor Safe Operating Area (SOA) Protection
The KA78M05 / LM78M05 / MC78M05 series of threeterminal positive regulators is available in the TO-220 / DPAK packages, making it useful in a wide range of applications.
TO-220
GND
1
D-PAK GND
1
1. Input 2. GND 3. Output
Ordering Information(1)
Product Number KA78M05TU KA78M05RTM
MC78M05CDTX LM78M05CT
Package TO-220 (Dual Gauge)
D-PAK
TO-220 (Single Gauge)
Packing Method Rail
Tape and Reel
Rail
Note: 1. Refer to below figure for TM / TF suffix of DPAK packing option.
Operating Temperature -40 to +125°C
© 2001 Fairchild Semiconductor Corporation KA78M05 / LM78M05 / MC78M05 Rev. 2.5
www.fairchildsemi.com
KA78M05 / LM78M05 / MC78M05 — 3-Terminal 0.5 A Positive
Voltage Regulator
Block Diagram
INPUT 1
CURRENT GENERATOR
SERIES PASS ELEMENT
SOA PROTECTION
OUTPUT 3
R1
STARTING CIRCUIT
REFERENCE
VOLTAGE
ERROR AMPLIFIER
THERMAL PROTECTION
Figure 1. Block Diagram
R2
GND 2
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addit...