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參數(shù)資料
| 型號(hào)： | UA79M20CKTPR |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | NEGATIVE-VOLTAGE REGULATORS |
| 中文描述： | 負(fù)電壓調(diào)節(jié)器 |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 324K |
| 代理商： | UA79M20CKTPR |
μ
A79M00 SERIES
NEGATIVE-VOLTAGE REGULATORS
SLVS060J
–
JUNE 1976
–
REVISED MAY 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at specified virtual junction temperature, V
I
=
–
19 V, I
O
= 350 mA, T
J
= 25
°
C
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
μ
A79M08C
MIN
–
7.7
UNIT
TYP
–
8
MAX
–
8.3
Output voltage
VI= 10 5 V to 25 V,
VI =
–
10.5 V to
–
IO= 5 mA to 350 mA
IO = 5 mA to 350 mA
V
TJ = 0
°
C to 125
°
C
–
7.6
–
8.4
Input voltage regulation
VI =
–
10.5 V to
–
25 V
VI =
–
11 V to
–
21 V
VI =
–
11.5 V to
–
21.5 V,
f = 120 Hz
8
80
mV
4
50
Ripple rejection
IO = 100 mA,
IO = 300 mA
TJ = 0
°
C to 125
°
C
50
dB
54
59
Output voltage regulation
IO = 5 mA to 500 mA
IO = 5 mA to 350 mA
90
160
mV
60
Temperature coefficient
of output voltage
IO = 5 mA,
TJ = 0
°
C to 125
°
C
–
0.6
mV/
°
C
Output noise voltage
f = 10 Hz to 100 kHz
200
μ
V
V
Dropout voltage
IO = 5 mA
1.1
Bias current
1
2
mA
Bias current change
VI =
–
10.5 V to
–
25 V,
IO = 5 mA to 350 mA,
VI =
–
30 V
TJ = 0
°
C to 125
°
C
TJ = 0
°
C to 125
°
C
0.4
mA
0.4
Short-circuit output current
140
mA
Peak output current
Pulse-testing techniques maintain TJ as close to TA as possible. Thermal effects must be taken into account separately. All characteristics are
measured with a 2-
μ
F capacitor across the input and a 1-
μ
F capacitor across the output.
0.65
A
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