www.fairchildsemi.com
KA78MXX
3-terminal 0.5A positive voltage regulator
Features
• • • • • Output Current up to 0.5A ...
www.fairchildsemi.com
KA78MXX
3-terminal 0.5A positive voltage
regulator
Features
Output Current up to 0.5A Output Voltages of 5, 6, 8, 10, 12, 15, 18, 20, 24V Thermal Overload Protection Short Circuit Protection Output
Transistor Safe Operating area (SOA)Protection
Description
The KA78MXX series of three-terminal positive
regulators are available in the TO-220/D-PAK package with several fixed output voltages making it useful in a wide range of applications.
TO-220
1
D-PAK
1
1. Input 2. GND 3. Output
Internal Block Digram
Rev. 5.0
©2000 Fairchild Semiconductor International
KA78MXX
Absolute Maximum Ratings
Parameter Input Voltage (for VO = 5V to 18V) (for VO = 24V) Thermal Resistance Junction-Cases Thermal Resistance Junction-Air (TO-220 Package) Operating Temperature Range KA78MXX/R Storage Temperature Range Symbol VI VI RθJC RθJA TOPR TSTG Value 35 40 5 65 0~ + 125 -65~ + 150 Unit V V °C/W °C/W °C °C
Electrical Characteristics (KA78M05/KA78M05R)
(Refer to the test circuits, 0 < TJ < +125°C, IO=350mA, VI=10V, unless otherwise specified, CI = 0.33µF, CO=0.1µF)
Parameter Output Voltage
Symbol TJ=+25°C VO
Conditions IO = 5 to 350mA VI= 7 to 20V IO = 200mA TJ =+25°C VI= 7 to 25V VI = 8 to 25V
Min. 4.8 4.75 62 -
Typ. 5 5 4.0 −0.5 40 2 300 700
Max. 5.2 5.25 100 50 100 50 6 0.5 0.8 -
Unit V
Line Regulation Load Regulation Quiescent Current Quiescent Current Change
∆ VO ∆ VO IQ ∆IQ ∆V/∆T VN RR VD ISC IPK
mV mV mA mA mV/°C
µV
IO = 5mA to 0.5A, TJ =+2...