JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-251-3L/TO-252-2L Plastic-Encapsulate Regulators
CJ78M05 Three-terminal positive voltage regulator
FEATURES
Maximum output current
I
: 0.5 A
OM
Output voltage
V
: 5V
O
Continuous total dissipation
: 1.25 W
P
D
TO-251-3L
TO-252-2L
1.IN
2.GND
3.OUT
1 2 3
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter Symbol Value Unit
Input Voltage
Operating Junction Temperature Range
Storage Temperature Range
ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JINCTION TEMPERATURE (Vi=10V,Io=350mA, Ci=0.33μF, C o = 0 . 1 μF,unless otherwise specified)
Parameter Symbol Test conditions Min Typ Max Unit
Output Voltage
Load Regulation
Line Regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Short Circuit Current
Peak Current
TYPICAL APPLICATION Vi 1 3 Vo
UTC
0.33μF
Vo
ΔVo
ΔVo
Iq
ΔIq 8V≤V i≤25V, Io=200mA
ΔIq 5mA≤I
V
N
RR 8V≤V
Vd Io=350mA
Isc Vi=10V
Ipk
7V≤V
Po≤ 15W
Io=5mA-0.5A
Io=5mA-200mA
7V≤V i≤25V, Io=200mA
8V≤V
10Hz≤ f ≤100KHz
Ci
V
T
≤20V, Io=5mA-350mA
i
≤25V, Io=200mA
i
≤350mA
O
≤18V,f=120Hz,Io=300mA
i
CJ78M05
25 V
i
T
2
0-+125
OPR
-65-+150
STG
25℃
0-125℃
25℃
25℃
25℃
25℃
25℃
0-125℃
0-125℃
25℃
0-125℃
25℃
25℃
25℃
0.5A
Co
0.1μF
4.8 5 5.2 V
4.75 5 5.25 V
15 100 mV
5 50 mV
3 100 mV
1 50 mV
4.2 6 mA
0.8 mA
0.5 mA
40 200 μV
62 80 dB
2 2.5 V
300 mA
0.5 A
℃
℃
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Typical Characteristics
7
6
5
(V)
O
4
3
2
OUTPUT VOLTAGE V
1
0
0 5 10 15 20 25 30 35
Output Characteristics
INPUT VOLTAGE VIN (V)
5
Quiescent Current
IO=0mA
T
=25℃
J
Pulsed
4
(mA)
Q
3
2
IO=0mA
T
=25℃
J
Pulsed
5.6
Dropout Characteristics
TJ=25℃
Pulsed
(V)
O
5.2
A
0
=
I
4.8
O
IO =0.2A、0.35A、0.5A
4.4
4.0
OUTPUT VOLTAGE V
3.6
3.2
5.86.06.26.46.66.87.07.2
INPUT VOLTAGE VIN (V)
4.0
Quiescent Current vs Output Current
VIN=10V
T
=25℃
J
3.6
(mA)
Q
3.2
Pulsed
1
QUIESCENT CURRENT I
0
0 5 10 15 20 25 30 35
INPUT VOLTAGE VIN (V)
Output Voltage vs Ambient Temperature
7
6
5
(V)
O
4
3
2
OUTPUT VOLTAGE V
1
0
-25 0 25 50 75 100 125
VIN=10V
I
=350mA
O
Pulsed
AMBIENT TEMPERATURE Ta ( )℃
1.50
Power Derating Curve
QUIESCENT CURRENT I
(V)
OUTPUT VOLTAGE V
2.8
2.4
0.0 0.1 0.2 0.3 0.4 0.5
OUTPUT CURRENT IO (A)
6
Current Cut-off Grid Voltage
VIN=10V
T
=25℃
5
4
O
3
2
1
0
0.0 0.5 1.0 1.5 2.0 2.5
J
Pulsed
OUTPUT CURRENT IO (A)
1.25
(W)
D
1.00
0.75
0.50
POWER DISSIPATION P
0.25
0.00
0 25 50 75 100 125
JUNCTION TEMPERATURE T
( )℃
J
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