CJ7812-TO263-3L Datasheet, PDF (1/2 Pages) ZP Semiconductor – Three-termi n al positive voltage regulator

CJ7812
CJ7812 Three-terminal positive voltage regulator
FEATURES
Maximum Output current I_OM: 1.5 A
Output voltage V_o: 12 V
Continuous total dissipation
P_D: 1.5 W (T_a = 25 ℃)
15 W (T_C= 25 ℃)
TO-263-3L
1.IN
2.GND
3.OUT
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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 Air
R_θJA
  
 ℃/W
Thermal Resistance from Junction to Case
R_{θJC}
℃/W
Operating Junction Temperature Range
T_OPR
0-150
℃
Storage Temperature Range
T_STG
-65-150
℃
ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JINCTION TEMPERATURE (Vi=19V, Io=500mA,Ci=0.33μF, Co=0.1μF, unless otherwise specified )
Parameter
Symbol
Test conditions
Min Typ Max Unit
Output Voltage
25℃ 11.5 12.0 12.5
V
Vo
Io= 5.0mA-1.0A, P≤15W
14.5V≤ V_i ≤27V
0-125℃ 11.4 12
12.6
V
Load Regulation
14.5V≤ Vi ≤30V
∆Vo
16V≤V_i≤22V
25℃
25℃
10
240
mV
3
120
mV
Line Regulation
∆Vo ^{IO=5mA - 1.5A}
I_O=250mA - 750mA
25℃
25℃
12
240
mV
4
120
mV
Quiescent Current
Quiescent Current Change
Output Voltage Drift
Iq
∆Iq
5.0mA≤ I_O ≤1.0A
14.5V ≤V_i≤ 30V
△Vo/△T I_O=5mA
25℃
0-125℃
0-125℃
0-125℃
4.3
8
mA
0.5
mA
1.0
mA
-1
mV/℃
Output Noise Voltage
V_N
f =10Hz to 100KHz
25℃
75
μV
Ripple Rejection
RR
f =120Hz, 15V≤ V_i ≤25V
0-125℃ 55
71
dB
Dropout Voltage
Output Resistance
V_d
I_O=1.0A
R_O
f = 1KHz
25℃
2
V
25℃ 18
mΩ
Short Circuit Current
Isc
Peak Current
Ipk
25℃
350
mA
25℃
2.2
A
TYPICAL APPLICATION
Vi
1
3
Vo
U_CT_JC₇₈₁₂
Ci
0.33μF
Co
0.1μF
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