參數(shù)資料
型號: KA7912A
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 基準電壓源/電流源
英文描述: 3-Terminal 1A Negative Voltage Regulator
中文描述: 12 V FIXED NEGATIVE REGULATOR, PSFM3
封裝: TO-220, 3 PIN
文件頁數(shù): 7/18頁
文件大?。?/td> 121K
代理商: KA7912A
KA79XX/KA79XXA
7
Electrical Characteristics (KA7912)
(Continued)
(V
I
= -19V, 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.
-11.5
Typ.
-12
Max.
-12.5
Unit
Output Voltage
V
O
T
J
= +25
°
C
I
O
= 5mA to 1A, P
O
15W
V
I
= -15.5V to -27V
V
-11.4
-12
-12.6
Line Regulation (Note1)
V
O
T
J
= +25
°
C
V
I
= -14.5V to -30V
V
I
= -16V to -22V
-
-
-
-
-
-
-
-
-
12
6
12
4
3
0.05
0.1
-0.8
200
60
2
300
2.2
240
120
240
120
6
0.5
1
-
-
-
-
-
-
mV
Load Regulation (Note1)
V
O
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
= -14.5V to -30V
I
O
= 5mA
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
mV
Quiescent Current
I
Q
mA
Quiescent Current Change
I
Q
mA
Temperature Coefficient of V
D
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Short Circuit Current
Peak Current
Vo/
T
V
N
RR
V
D
I
SC
I
PK
mV/
°
C
μ
V
dB
V
mA
A
54
-
-
-
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