CJ7908 Datasheet, PDF (1/3 Pages) Jiangsu Changjiang Electronics Technology Co., Ltd – Three-terminal negative voltage regulator

JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-252-2L Plastic-Encapsulate Voltage Regulators
CJ7908 Three-terminal negative voltage regulator
FEATURES
Maximum output current I_OM: 1.5 A
Output voltage V_o: - 8 V
Continuous total dissipation
P_D: 1.25W (Ta = 25 ℃)
12.5 W (T_C= 25 ℃)
TO-252-2L
1 GND
2. IN
3. OUT
ABSOLUTE MAXIMUM RATINGS(Operating temperature range applies unless otherwise specified)
Parameter
Symbol
Value
Unit
Input Voltage
V_i
-35
V
Thermal Resistance from Junction to Ambient
R_θJA
100
℃/W
Thermal Resistance from Junction to Case
R_θJC
10
℃/W
Operating Junction Temperature Range
T_OPR
0~+150
℃
Storage Temperature Range
T_STG
-55~+150
℃
ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JINCTION TEMPERATURE(Vi=-14V,Io=500mA,Ci=2.2μF, Co=1μF, unless otherwise specified)
Parameter
Symbol
Test conditions
Min Typ Max Unit
Output Voltage
25℃
-7.7
-8
-8.3
V
Vo
-10.5V≤Vi≤-23V,Io=5mA-1A,
P≤15W
0-125℃
-7.6
-8
-8.4
V
Load Regulation
Line Regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Output Voltage drift
Io=5mA-1.5A
∆Vo
Io=250mA-750mA
-10.5V≤Vi≤-25V
∆Vo
-11V≤Vi≤-17V
Iq
∆Iq
-10.5V≤Vi≤-25V
∆Iq
5mA≤I_O≤1A
V_N
10Hz≤f≤100KHz
△Vo/△_T I_O=5mA
25℃
25℃
25℃
25℃
25℃
0-125℃
0-125℃
25℃
0-125℃
15
160
5
80
12.5 160
4
80
1.5
2
1
0.5
200
-0.6
mV
mV
mV
mV
mA
mA
mA
μV
mV/℃
Ripple Rejection
Dropout Voltage
Peak Current
RR
-11.5V≤Vi≤-21.5V,f=120Hz
0-125℃ ⁵⁴
60
dB
Vd
Io=1A
25℃
1.1
V
Ipk
25℃
2.1
A
TYPICAL APPLICATION
Vi 2
Ci
2.2μF
C_UJ_T7_C908
1
3
Vo
Co
1μF
www.cj-elec.com
1
C,Mar,2016