CJ7912 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 Encapsulate Voltage Regulators
CJ7912 Three-terminal negative voltage regulator
TO-252-2L
FEATURES
Maximum output current I_OM: 1.5 A
Output voltage V_o: - 12 V
Continuous total dissipation
P_D: 1.25 W (T_a = 25 ℃ )
10 W (T_C= 25 ℃ )
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
Thermal Resistance from Junction to Case
Operating Junction Temperature Range
Storage Temperature Range
R_θJA
R_θJC
T_OPR
T_STG
100
12.5
0~+150
-55~+150
℃/W
℃/W
℃
℃
ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JINCTION TEMPERATURE (Vi=-19V,Io=500mA, Ci=2.2μF,Co=1μF, unless otherwise specified )
Parameter
Symbol
Test conditions
Min
Typ
Max Unit
Output Voltage
25℃
-11.5
-12
-12.5
V
Vo
-14.5V≤V_i≤-27V, Io=5mA-1A
P≤15W
0-125℃
-11.4
-12
-12.6
V
Load Regulation
Line Regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Output Voltage Drift
Ripple Rejection
Dropout Voltage
Peak Current
∆Vo
∆Vo
Iq
∆Iq
∆Iq
V_N
△Vo/△_T
RR
Vd
Ipk
Io=5mA-1.5A
Io=250mA-750mA
-14.5V≤V_i≤-30V
-16V≤V_i≤-22V
-14.5V≤V_i≤-30V
5mA≤I _O≤1A
10Hz≤f≤100KHz
I_O=5mA
-15V≤V_i≤-25V,f=120Hz
Io=1A
25℃
15
200
mV
25℃
5
75
mV
25℃
5
80
mV
25℃
3
30
mV
25℃
2
3
mA
0-125℃
0.5
mA
0-125℃
0.5
mA
25℃
300
μV
0-125℃
-0.8
mV/℃
0-125℃
54
60
dB
25℃
1.1
V
25℃
2.1
A
TYPICAL APPLICATION
Vi 2
Ci
2.2μF
C_UJ_T7_C912
1
3
Vo
Co
1μF
www.cj-elec.com
1
D,Mar,2016