MC78M12ACDT Просмотр технического описания (PDF) - Micro Commercial Components
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MC78M12ACDT Datasheet PDF : 3 Pages
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MCC
TM
Micro Commercial Components
omponents
20736 Marilla Street Chatsworth
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$% !"#
Features
• Output current in excess of 0.5 Ampere
• Internal thermal overload protection
• Internal short-circuit current limiting
• High power dissipation capability
MC78M12ACDT
Three-Terminal
Positive Voltage
Regulators
Maximum Ratings @ TA=25OC, Unless Otherwise Noted
Parameter
Symbol
Value
Unit
Input Voltage
Vi
35
V
Operating Junction Temperature TOPR
0 ---+125
℃
Storage Temperature Range
TSTG
-65---+150
℃
Electrical Characteristics (Vi=19V, Io=350mA, O℃<Tj<125 ℃,
Ci=0.33uF, Co=0.1uF, Unless Otherwise Specified)
Parameter Sym Min Typ Max
Test conditions
Output
Voltage
Load
Regulation
Line
regulation
Quiescent
Current
11.76V 12V
V0
11.66V 12V
△Vo
△Vo
Iq
25mV
10mV
10mV
3.0mV
4.6mA
12.24V
12.34V
240mV
120mV
100mV
50mV
6.0mA
T j=25℃
14.5V≦Vi≦27V,
5mA≦IO≦350mA,
PD≦15W
5mA≦IO≦0.5A,
Tj=25℃
5mA≦IO≦200mA, Tj=25℃
14.5V≦V1≦30V, IO=0.2A
16V≦V1≦30V, IO=0.2A
Tj=25℃
Quiescent
Current
△Iq
Change
0.8mA
0.5mA
14.5V≦Vi≦30V, IO=0.2A
5mA≦Io≦350mA
Output Noise
Voltage
VN
Ripple
Rejection
RR
Dropout
Voltage
Vd
Output Short
Circuit
ISC
Current
Peak Output
Current
Ipk
75µV
55dB
2.0V
240mA
0.7A
80dB
10Hz≦f≦100Hz
15V≦V1≦25V
f=120Hz, IO=0.3A Tj=25℃
IO=0.35A, Tj=25℃
Vi=19V, Tj=25℃
Tj=25℃
TYPICAL APPLICATION
Input
Cin
0.33µF
MC78M12ACDT
Output
CO
0.1µF
DPAK
A
H
I
B
C
4
D
J
2
E
1
3
F
K
L
GG
1 :IN
2 4 :GND
3 :OUT
INCHES
MM
A
.248
.364
6.3
6.7
B
.200
.216
5.1
5.5
C
.047
.063
1.2
1.6
D
.209
.225
5.3
5.7
E
.090
.106
2.3
2.7
F
.012
.032
0.3
0.8
G
.090
2.3
H
.082
.098
2.1
2.5
I
.016
.024
0.4
0.6
J
.040
---
1.0
---
K
.020
0.5
L
.051
.071
1.3
1.8
Revision: 2
www.mccsemi.com
2 of 3
2008/01/01
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