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KIA78M05T 查看數據表(PDF) - KEC

零件编号产品描述 (功能)生产厂家
KIA78M05T THREE TERMINAL POSITIVE VOLTAGE REGULATORS KEC
KEC KEC
KIA78M05T Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
KIA78M05T KIA78M15T
15
Tc=25 C
12
9
PD - Ta
THERMAL RESISTANCE
J-C J-A
C/W
8.3 83.3
(KIA78M00T Series)
6
3 WITHOUT HEAT
SINK
0
0
40
80
120
160
200
AMBIENT TEMPERATURE Ta ( C)
Design Considerations
The KIA78MXX fixed voltage regulator series has
built-in thermal overload protection which prevents
the device from being damaged due to excessive
junction temperature.
The regulators also contain internal short-circuit
protection which limits the maximum output current,
and safe-area protection for the pass transistor which
reduces the short circuit current as the voltage across
the pass transistor is increased. Although the internal
power dissipation is automatically limited, the maximum
junction temperature of the device must be kept
below+150 in order to meet data sheet specifications.
An adequate heatsink should be provided to assure this
limit is not exceeded under worst-case operating
conditions (maximum input voltage and load current)
if reliable performance is to be obtained.
VIN
*
0.33µF
IN
OUT
KIA78MXX
VOUT
*0*.1µF
GND
* Required if regulator input is more then 4 inches
form input filter capacitor.
(or if no input filter capacitor is used).
** Optional for improved transient response.
2002. 8. 29
Revision No : 0
8/8
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