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SMD Type
Integrate Circuit
Three-terminal Positive Voltage Regulator
78M12
■ Features
● Maximum Output current IOM: 0.5 A
● Output voltage VO: 12V
● Continuous total dissipation PD: 1.25W
TO-252
6.50+0.15
-0.15
5.30+0.2
-0.2
2.30+0.1
-0.1
0.50+0.8
-0.7
0.80+0.1
-0.1
0.127
max
12
2.3
4.60+0.15
-0.15
3
0.60+0.1
-0.1
■ Absolute Maximum Ratings Ta = 25℃
Parameter
Input Voltage
Operating Junction Temperature Range
Storage Temperature Range
Symbol
Vi
TOPR
TSTG
Rating
35
0 to +125
-65 to +150
Unit
V
℃
℃
Unit: mm
1 IN
2 GND
3 OUT
■ Electrical Characteristics (VIN=19V,Io=350mA,0℃<Tj<125℃,Ci=0.33μF,Co=0.1μF, unless otherwise specified)
Parameter
Output voltage
Load regulation
Line regulation
Quiescent current
Quiescent current change
Output noise voItage
Ripple rejection
Dropout Voltage
Short Circuit Current
Peak Output Current
■ Typical Application
Vi
Ci
0.33μF
Symbol
Testconditons
Tj=25℃
VO
14.5≤VI≤27V, Io=5mA~350mA,PO≤15W
△VO Io=5mA~500mA,Tj=25℃
Io=5mA~200mA,Tj=25℃
△VO 14.5≤VI≤30V, Io=200mA,Tj=25℃
16≤VI≤30V, Io=200mA,Tj=25℃
Iq Tj=25℃
14.5V≤Vl≤30V, Io=200mA
△Iq
5mA≤IO≤350mA
VN 10Hz≤f≤100KHz,Tj=25℃
RR 15V≤VI≤25V,f=120Hz, IoUT=300mA
Vd lo=350mA,Tj=25℃
ISC VI =19V, Tj=25℃
Ipk Tj=25℃
Min Typ
11.5 12
11.4 12
25
10
10
3
4.6
75
55 80
2.0
240
0.7
Max
12.5
12.6
240
120
100
50
6.0
0.8
0.5
Unit
V
V
mV
mV
mV
mV
mA
mA
mA
μV
dB
V
mA
A
1 3 Vo
78M12
0.5A
2 Co
0.1μF
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