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參數(shù)資料
| 型號： | UA7900 |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | NEGATIVE VOLTAGE REGULATORS |
| 中文描述： | 負電壓調(diào)節(jié)器 |
| 文件頁數(shù)： | 6/10頁 |
| 文件大?。?/td> | 317K |
| 代理商： | UA7900 |
μ
SLVS058D JUNE 1976 REVISED APRIL 2004
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at specified virtual junction temperature, V
I
= 33 V, I
O
= 500 mA (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
μ
A7924C
TYP
24
UNITS
TJ
MIN
23
MAX
25
25
°
C
Output voltage
IO = 5 mA to 1 A,
P
≤
15 W
VI = 27 V to 38 V
VI = 30 V to 36 V
VI = 28 V to 38 V, f = 120 Hz
IO = 5 mA to 1.5 A
IO = 250 mA to 750 mA
IO = 5 mA
f = 10 Hz to 100 kHz
IO = 1 A
VI = 27 V to 38 V,
0
°
C to 125
°
C
22.8
25.2
V
Input regulation
5
3
480
240
mV
Ripple rejection
0
°
C to 125
°
C
54
60
85
25
1
600
1.1
dB
Output regulation
480
240
mV
Temperature coefficient of output voltage
Output noise voltage
Dropout voltage
Bias current
0
°
C to 125
°
C
25
°
C
25
°
C
25
°
C
mV/
°
C
μ
V
V
mA
2
3
1
Bias current change
VI = 27 V to 38 V
IO = 5 mA to 1 A
0.04
0.06
2.1
mA
0.5
Peak output current
Pulse-testing techniques are used to maintain the junction temperature as close to the ambient temperature 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.
This specification applies only for dc power dissipation permitted by absolute maximum ratings.
25
°
C
A
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| UA7900_12 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:NEGATIVE-VOLTAGE REGULATORS |
| UA7905 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:NEGATIVE-VOLTAGE REGULATORS |
| UA7905 WAF | 制造商:Texas Instruments 功能描述: |
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