JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-220 Plastic-Encapsulate Voltage Regulator
CJ7809
Three
-terminal positive voltage regulator
FEATURES
Maximum Output current
I
OM
: 1.5 A
Output voltage V
o
: 9 V
Continuous total dissipation
P
D
: 2 W (T
J
= 25
)
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
Symbol
Value
Unit
Input Voltage
V
i
35
V
Thermal resistance junction-air
RJA
65
/W
Thermal resistance junction-cases
RJC
5
/W
Operating Junction Temperature Range
T
OPR
0-150
Storage Temperature Range
T
STG
-65-150
ELECTRICAL CHARACTERISTICS
(Vi=16V,Io=500mA,0
<T
J
<125
,Ci=0.33F,Co=0.1F, unless otherwise specified )
Parameter
Symbol
Test conditions
MIN
TYP
MAX
UNIT
T
J
=25
8.65 9 9.35 V
Output voltage
Vo
11.5VV
i
24V, Io= 5mA-1AP15W
8.55 9 9.45 V
T
J
=25
, Io=5mA-1.5A
12
180 mV
Load Regulation
Vo
T
J
=25
, Io=250mA-750mA
4 90 mV
11.5VV
i
27V, T
J
=25
7
180 mV
Line regulation
Vo
13VV
i
19V, T
J
=25
2 90 mV
Quiescent Current
Iq
T
J
=25
4.3 8 mA
11.5VV
i
27V
1 mA
Quiescent Current Change
Iq
5mAI
O
1A
0.5
mA
Output voltage drift
Vo/T
I
O
=5mA
-1
mV/
Output Noise Voltage
V
N
10Hzf100KHz
58
uV
Ripple Rejection
RR
12VV
i
22V,f=120Hz, T
J
=25
55 70
dB
Dropout Voltage
Vd
T
J
=25
, Io=1A
2 V
Output resistance
R
O
f=1KH
Z
15
m
Short Circuit Current
Isc
T
J
=25
400 mA
Peak Current
Ipk
T
J
=25
2.2
A
TYPICAL APPLICATION
1 2 3
TO-220
1. IN
2. GND
3. OUT
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