參數(shù)資料
型號(hào): MC7909CT
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類(lèi): 基準(zhǔn)電壓源/電流源
英文描述: 3-Terminal 1A Negative Voltage Regulator
中文描述: 9 V FIXED NEGATIVE REGULATOR, PSFM3
封裝: TO-220, 3 PIN
文件頁(yè)數(shù): 11/18頁(yè)
文件大小: 117K
代理商: MC7909CT
MC79XX/MC79XXA/LM79XX
11
Electrical Characteristics (MC7905A)
(Continued)
(V
I
= -10V, I
O
= 500mA, 0
°
C
T
J
+125
°
C, C
I
=2.2
μ
F, C
O
=1
μ
F, unless otherwise specified.)
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Parameter
Symbol
Conditions
Min.
-4.9
Typ. Max.
-5.0
Unit
Output Voltage
V
O
T
J
= +25
°
C
I
O
= 5mA to 1A, P
O
15W
V
I
= -7V to -20V
-5.1
V
- 4.8
-5.0
-5.2
Line Regulation (Note1)
V
O
T
J
= +25
°
C
V
I
= -7V to -20V I
O
=1A
V
I
= -8V to -12V I
O
=1A
-
-
-
-
-
5
2
7
7
50
25
50
50
100
mV
V
I
= -7.5V to -25V
V
I
= -8V to -12V , I
O
=1A
T
J
=+25
°
C, I
O
= 5mA to 1.5A
T
J
= +25
°
C
I
O
= 250mA to 750mA
T
J
= +25
°
C
I
O
= 5mA to 1A
V
I
= -8V to -25V
Load Regulation (Note1)
V
O
10
mV
-
3
50
Quiescent Current
I
Q
-
-
-
3
6
mA
Quiescent Current Change
I
Q
0.05
0.1
0.5
0.8
mA
Temperature Coefficient of
V
D
Vo/
T
I
O
= 5mA
-
- 0.4
-
mV/
°
C
Output Noise Voltage
V
N
f = 10Hz to 100kHz
T
A
= +25
°
C
f = 120Hz
V
I
= 10V
T
J
= +25
°
C
I
O
= 1A
T
J
= +25
°
C, V
I
= -35V
T
J
= +25
°
C
-
40
-
μ
V
Ripple Rejection
RR
54
60
-
dB
Dropout Voltage
V
D
-
2
-
V
Short Circuit Current
Peak Current
I
SC
I
PK
-
-
300
2.2
-
-
mA
A
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