PJ78L12SQ-L
3-Terminal Voltage Regulator
Features
SOT-89
Input voltage: up to 35V
Output Voltage: 12V
Output current up to 200 mA, internal thermal
overload protection and short-circuit limiting.
1. OUT 2. GND 3. IN
Maximum Ratings
Ratings at TA = 25℃ ambient temperature unless otherwise specified.
Parameter
Symbols
Value
Units
Input Voltage
VI
35
V
Output Current
IO
200
mA
Power Dissipation
PD
500
mW
TOPR
-40~125
℃
TJ
150
℃
TSTG
-55~150
℃
Operating Temperature Range
Junction Temperature
Storage Temperature Range
Vi
C1
0.33 µF
www.pingjingsemi.com
Revision 1.0 Mar-2019
1
3
PJ78L12SQ-L
2
Vo
C2
0.1 µF
1/4
PJ78L12SQ-L
3-Terminal Voltage Regulator
Electrical Characteristics
Ratings at TA = 25℃ ambient temperature, 0℃≤TJ≤125℃ , VI=19V, Io=40mA, Ci=0.33μF,Co=0.1μF,unless otherwise specified.
Parameter
Output Voltage
Symbols
VO
Test Conditions
Min
Typ
Max
Unit
11.5
12
12.5
V
IO=1mA to 40mA VI=14.5V to 27V
11.4
12
12.6
V
IO=1mA to 70mA VI=19V
11.4
12
12.6
V
VI=14.5V to 27V TJ=25℃
250
mV
VI=16V to 27V TJ=25℃
200
mV
IO=1mA to 100 mA, TJ=25℃
100
mV
IO=1mA to 40 mA, TJ=25℃
50
mV
Line Regulation
△
Load Regulation
△
Ripple Rejection
RR
VI=15V to 25V, TJ=25℃ f=120Hz
Output Noise Voltage
VN
=f 10Hz~100KHz TJ=25℃
Dropout Voltage
VD
TJ=25℃
Quiescent Current
IQ
TJ=25℃
Quiescent Current Change
www.pingjingsemi.com
Revision 1.0 Mar-2019
Vo
VO
△
IQ
37
dB
70
μV
1.7
V
6
mA
VI=16V to 27V
1.5
mA
IO=1mA to 40mA
0.1
mA
2/4
PJ78L12SQ-L
3-Terminal Voltage Regulator
Ratings and Characteristic Curves
Current Cut-off Grid Voltage
Output Characteristics
18
16
VIN=19V
IO=0mA
TJ=25℃
TJ=25℃
15
Pulsed
VO
(V)
12
10
OUTPUT VOLTAGE
OUTPUT VOLTAGE VO
(V)
14
8
6
4
12
9
6
3
2
0
0
0
5
10
15
20
INPUT VOLTAGE
25
VIN
30
0
35
40
80
120
OUTPUT CURRENT
(V)
160
IO
200
240
100
125
(mA)
Power Derating Curve
Quiescent Current
800
5
IO=0mA
(mW)
700
4
PD
600
500
3
POWER DISSIPATION
QUIESCENT CURRENT
IQ
(mA)
TJ=25℃
2
1
400
300
200
100
0
0
10
5
15
INPUT VOLTAGE
20
VIN
25
30
0
-25
0
25
50
JUNCTION TEMPERATURE
(V)
75
TJ (℃ )
Output Voltage vs Junction Temperature
14
Vin=19V
OUTPUT VOLTAGE VO
(V)
IO=5mA
13
12
11
10
-25
25
0
50
JUNCTION TEMPERATURE
www.pingjingsemi.com
Revision 1.0 Mar-2019
75
100
125
TJ (℃ )
3/4
PJ78L12SQ-L
3-Terminal Voltage Regulator
Package Outline
SOT-89
Dimensions in mm
ORDERING INFORMATION
Device
Package
Shipping
PJ78L12SQ-L
SOT-89
1,000/ Tape & Reel (7 inches)
www.pingjingsemi.com
Revision 1.0 Mar-2019
4/4
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