1 2 3
2
Co
0.1F
JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-251/TO-252-2L Plastic-Encapsulate Transistors
CJ78M08
Three-terminal positive voltage regulator
FEATURES
Maximum Output current
I
OM
: 0.5 A
Output voltage
V
o
: 8V
ABSOLUTE MAXIMUM RATINGS (Operating temperature range
applies unless otherwise specified)
Parameter
Symbol
Value
Unit
Input Voltage
V
I
35
V
Operating Junction Temperature Range
T
OPR
0-+125
Storage Temperature Range
T
STG
-65-+150
ELECTRICAL CHARACTERISTICS
(Vi=14V,Io=350mA,0
<Tj<125,Ci=0.33F,Co=0.1F, unless otherwise specified )
Parameter
Symbol
Test conditions
MIN
TYP
MAX
UNIT
Tj=25
7.7
8
8.3
V
Output voltage
Vo
10.5V
i
23V, Io=5mA-350mA
Po 15W
7.6 8 8.4 V
Tj=25
, Io=5mA-500mA
20 160 mV
Load Regulation
Vo
Tj=25
, Io=5mA-200mA
10 80 mV
10.5VV
i
25V, Io=200mA
6
100
mV
Line regulation
Vo
11VV
i
25V, Io=200mA
2
50
mV
Quiescent Current
Iq
Tj=25
4.6 6 mA
Iq 10.5VV
i
25V, Io=200mA
0.8
mA
Quiescent Current Change
Iq 5mAI
O
350mA
0.5
mA
Output Noise Voltage
V
N
10Hz f 100KHz
52
uV
Ripple Rejection
RR
11.5VV
i
21.5V,f=120Hz,Io=300mA
Tj=25
56 80
dB
Dropout Voltage
Vd
Tj=25
, Io=350mA
2 V
Short Circuit Current
Isc
Vi=14V, Ta=25
250 mA
Peak Current
Ipk
Tj=25
0.7
A
TYPICAL APPLICATION
Vi 1 3 Vo
UTC
Ci
0.33F
TO-251
TO-252-2L
1.IN
2.GND
3.OUT
CJ78M08
0.5A
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