2
Co
0.1F
JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-252-3L Plastic-Encapsulate Transistors
CJ7809
Three-terminal positive voltage regulator
FEATURES
Maximum Output current
I
OM
: 1.5 A
Output voltage
V
o
: 9V
Continuous total dissipation
P
D
: 1.25 W
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
-55-+150
ELECTRICAL CHARACTERISTICS
(Vi=10V,Io=500mA,0
<Tj<125,Ci=0.33F,Co=0.1F, unless otherwise specified )
Parameter
Symbol
Test conditions
MIN
TYP
MAX
UNIT
Tj=25
8.65 9 9.35 V
Output voltage
Vo
11.5VV
i
24V, Io=5mA-1A
Po< 15W
8.55 9 9.45 V
Tj=25
, Io=5mA-1.5A
12
180 mV
Load Regulation
Vo
Tj=25
, Io=250mA-750mA
4 90 mV
11.5VV
i
27V, Tj=25
7
180 mV
Line regulation
Vo
13VV
i
19V, Tj=25
2 90 mV
Quiescent Current
Iq
Tj=25
4.3 8 mA
Iq 11.5VV
i
27V
1
mA
Quiescent Current Change
Iq 5mAI
O
1A
0.5
mA
Output Noise Voltage
V
N
10Hz f 100KHz
60
uV
Ripple Rejection
RR
12VV
i
22V,f=120Hz,Tj=25
55 70
dB
Dropout Voltage
Vd
Tj=25
, Io=1A
2 V
Short Circuit Current
Isc
Vi=35V, Ta=25
400 mA
Peak Current
Ipk
Tj=25
2.2
A
TYPICAL APPLICATION
vi 1 3 Vo
UTC
Ci
0.33F
TO-252-3L
1.IN 1
2.GND
3.OUT
CJ7809
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