CJ78M08 Datasheet, PDF (1/4 Pages) Jiangsu Changjiang Electronics Technology Co., Ltd – Three-terminal positive voltage regulator

JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-252-2L Plastic-Encapsulate Regulators
CJ78M08 Three-terminal positive voltage regulator
FEATURES
z Maximum output current
I_OM: 0.5 A
z ^{Output voltage}
V_O: 8V
z ^{Continuous total dissipation}
P_D: 1.25 W (T_a= 25 ℃ )
TO-252-2L
1.IN
2.GND
3.OUT
2
1
3
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
Input Voltage
Thermal Resistance from Junction to Ambient
Operating Junction Temperature Range
Storage Temperature Range
Symbol
V_i
R_θJA
T_OPR
T_STG
Value
35
80
-25~+125
-65~+150
Unit
V
℃/W
℃
℃
ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JINCTION TEMPERATURE (Vi=14V,Io=350mA,Ci=0.33μF,Co=0.1μF,unless otherwise specified)
Pa rameter
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
* Pulse test.
TYPICAL APPLICATION
Vo
10.5≤V _i≤23V, Io=5mA-350mA
25℃ 7.7
8
-25-125℃ 7.6
8
Io=5mA-500mA
ΔVo
Io=5mA-200mA
25℃
20
25℃
10
10.5V≤V _i≤25V, Io=200mA
ΔVo
11V≤V _i≤25V, Io=200mA
Iq
25℃
6
25℃
2
25℃
4.6
ΔIq 10.5V≤V _i≤25V, Io=200mA
-25-125℃
ΔIq 5mA≤I _O≤350mA
-25-125℃
V_N 10Hz≤ f ≤100KHz
25℃
52
RR 11.5V≤V_i≤21.5V,f=120Hz,Io=300mA _{-25-125℃} 56
80
Vd Io=350mA
Isc Vi=14V
Ipk
25℃
2
25℃
250
25℃
0.5
8.3
V
8.4
V
160 mV
80 mV
100 mV
50 mV
6
mA
0.8 mA
0.5 mA
μV/Vo
dB
V
mA
A
Vi 1
3
Vo
CJ78M08
2
Ci
0.33μF
Co
0.1μF
Note: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as
possible to the regulators.
www.cj-elec.com
1
F,Jun,2016