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參數資料
| 型號： | UA7924CKTE |
| 英文描述： | NEGATIVE-VOLTAGE REGULATORS(167.63 k ) |
| 中文描述： | 負穩壓器（167.63十一） |
| 文件頁數： | 7/10頁 |
| 文件大小： | 167K |
| 代理商： | UA7924CKTE |
μ
A7900 SERIES
NEGATIVE-VOLTAGE REGULATORS
SLVS058A – JUNE 1976 – REVISED OCTOBER 1996
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at specified virtual junction temperature, V
I
= –27 V, I
O
= 500 mA (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
μ
A7918C
TYP
–18
UNITS
TJ
MIN
–17.3
MAX
–18.7
25
°
C
Output voltage
IO = 5 mA to 1 A,
P
≤
15 W
VI = –21 V to –33 V
VI = –24 V to –30 V
VI = –22 V to –32 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 = –21 V to –33 V,
0
°
C to 125
°
C
–17.1
–18.9
V
Input regulation
5
3
360
180
mV
Ripple rejection
0
°
C to 125
°
C
54
60
30
10
–1
450
1.1
dB
Output regulation
360
180
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 = –21 V to –33 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
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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