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参数资料
| 型号： | MC7918 |
| 厂商： | MICRO COMMERCIAL COMPONENTS |
| 元件分类： | 固定负电压单路输出标准稳压器 |
| 英文描述： | 18 V FIXED NEGATIVE REGULATOR, PSFM3 |
| 封装： | TO-220, 3 PIN |
| 文件页数： | 1/6页 |
| 文件大小： | 229K |
| 代理商： | MC7918 |
MC7905
THRU
MC7924
Three-Terminal
Positive Voltage
Regulators
Features
Output current in excess of 1.0 Ampere
No external components required
Internal thermal overload protection
Internal short-circuit current limiting
Output voltage offered in 2% tolerance
Maximum Ratings @ TA=25OC, Unless Otherwise Noted
Parameter
Symbol
Value
Unit
Input Voltage
V1
30
V
Operating Ambient Temperature
PD
15
W
Operating Junction Temperature
TOPR
-20---+75
oC
Storage Temperature Range
TSTG
-55---+125
oC
MC7905
Electrical Characteristics (Vi=10V, Io=500mA, OoC<Tj<125oC,
Ci=2.0uF, Co=1.0uF, Unless Otherwise Specified)
Parameter
Sym
Min
Typ
Max
Test conditions
4.9V
5.0V
5.1V
Tj=25
oC
Output
Voltage
V0
4.85V
5.15V
7V
≦V1≦20V,
5mA
≦IO≦1.0A,
PD=15W
10mV
100mV
5mA
≦IO≦1.5A,
Tj=25
oC,
Load
Regulation
△Vo
3.0mV
50mV
250mA
≦IO≦750mA,
Tj=25
oC
Line
regulation
△Vo
3.0mV
1.0mV
100mV
50mV
7V
≦V1≦25V, Tj=25
oC
8V
≦V1≦12V, Tj=25
oC
Quiescent
Current
Iq
2.0mA
4.0mA
Tj=25
oC, I
O=0
Quiescent
Current
Change
△Iq
1.3mA
0.5mA
7V
≦V1≦25V
5mA
≦Io≦1.0A
Output Noise
Voltage
VN
40
V
f=120Hz
Ripple
Rejection
RR
62dB
74dB
8V
≦V1≦18V
f=120Hz, Tj=25
oC
Dropout
Voltage
Vd
1.1V
IO=1.0A, Tj=25
oC
Peak Output
Current
Iopeak
2.1A
Tj=25
oC
Temperature
Coefficient of
Output
voltage
△VO/
△Tj
0.4mV/
oC
0
oC≦Tj≦125 oC,
IO=5mA
omponents
20736 Marilla
Street Chatsworth
!"#
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MCC
www.mccsemi.com
Revision: 1
2003/04/17
INCHES
MM
A
.560
.625
14.22
15.88
B
.380
.420
9.65
10.67
C
.100
.135
2.54
3.43
D
.230
.270
5.84
6.86
E
.380
.420
9.65
10.67
F
------
.250
------
6.35
G
.500
.580
12.70
14.73
H
.090
.110
2.29
2.79
I
.020
.045
0.51
1.14
J
.012
.025
0.30
0.64
K
.139
.161
3.53
4.09
L
.140
.190
3.56
4.83
M
.045
.055
1.14
1.40
N
.080
.115
2.03
2.92
A
B
C
K
J
I
H
G
F
E
D
N
M
L
H
TO-220
PIN
PIN 1.
INPUT
PIN 2.
GND
1
2
3
PIN 3.
OUTPUT
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