SMD Type
Integrate Circuit
Three-terminal Positive Voltage Regulator
78M12
TO-252
Unit: mm
+0.15
1.50
-0.15
■
Features
●
Maximum Output current I
OM
: 0.5 A
●
Output voltage V
O
: 12V
+0.2
9.70
-0.2
6.50
+0.2
5.30
-0.2
+0.15
-0.15
2.30
+0.8
0.50
-0.7
+0.1
-0.1
+0.1
0.80
-0.1
+0.15
0.50
-0.15
0.127
max
1
2.3
4.60
3
+0.1
0.60
-0.1
+0.28
1.50
-0.1
2
+0.15
-0.15
+0.25
2.65
-0.1
+0.15
5.55
-0.15
1 IN
2 G ND
3 O UT
■
Absolute Maximum Ratings Ta = 25℃
Parameter
Input Voltage
Operating Junction Temperature Range
Storage Temperature Range
Symbol
V
i
T
OPR
T
STG
Rating
35
0 to +125
-65 to +150
Unit
V
℃
℃
■
Electrical Characteristics
(V
IN
=19V,I
o
=350mA,0℃<T
j
<125℃,C
i
=0.33μF,C
o
=0.1μF, unless otherwise specified)
Parameter
Output voltage
Symbol
Testconditons
Tj=25℃
14.5≤V
I
≤27V,
Io=5mA�½�350mA,P
O
≤15W
Io=5mA�½�500mA,Tj=25℃
Io=5mA�½�200mA,Tj=25℃
Line regulation
Quiescent current
Quiescent current change
Output noise voItage
Ripple rejection
Dropout Voltage
Short Circuit Current
Peak Output Current
Min
11.5
11.4
Typ
12
12
25
10
10
3
4.6
Max
12.5
12.6
240
120
100
50
6.0
0.8
0.5
75
55
80
2.0
240
0.7
Unit
V
V
mV
mV
mV
mV
mA
mA
mA
μV
dB
V
mA
A
V
O
△V
O
△V
O
Iq
△Iq
V
N
RR
Vd
I
SC
I
pk
Load regulation
14.5≤V
I
≤30V,
Io=200mA,Tj=25℃
16≤V
I
≤30V,
Io=200mA,Tj=25℃
Tj=25℃
14.5V≤V
l
≤30V,
Io=200mA
5mA≤I
O
≤350mA
10Hz≤f≤100KHz,Tj=25℃
15V≤V
I
≤25V,f=120Hz,
Io
UT
=300mA
l
o
=350mA,Tj=25℃
V
I
=19V, Tj=25℃
Tj=25℃
■
Typical Application
Vi
1
78M12
3
Vo
0.5A
Co
0.1μF
Ci
0.33μF
2
3
.8
0
●
Continuous total dissipation P
D
: 1.25W
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