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參數資料
| 型號： | UA7918CKTE |
| 英文描述： | 2.1-channel high-efficiency digital audio system |
| 中文描述： | 負穩壓器（167.63十一） |
| 文件頁數： | 5/10頁 |
| 文件大小： | 167K |
| 代理商： | UA7918CKTE |
μ
A7900 SERIES
NEGATIVE-VOLTAGE REGULATORS
SLVS058A – JUNE 1976 – REVISED OCTOBER 1996
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at specified virtual junction temperature, V
I
= –11 V, I
O
= 500 mA (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
μ
A7906C
TYP
UNITS
TJ
MIN
–5.75
MAX
–6.25
25
°
C
–6
Output voltage
IO = 5 mA to 1 A,
P
≤
15 W
VI = –8 V to –25 V
VI = –9 V to –13 V
VI = –9 V to –19 V,
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 = –8 V to –21 V,
0
°
C to 125
°
C
–5.7
–6.3
V
Input regulation
12.5
120
60
mV
4
Ripple rejection
f = 120 Hz
0
°
C to 125
°
C
54
60
15
5
dB
Output regulation
120
60
mV
Temperature coefficient of output voltage
Output noise voltage
Dropout voltage
Bias current
0
°
C to 125
°
C
25
°
C
25
°
C
25
°
C
–0.4
150
1.1
1.5
0.15
0.08
2.1
mV/
°
C
μ
V
V
mA
2
Bias current change
VI = –8 V to –25 V
IO = 5 mA to 1 A
1.3
0.5
mA
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
= –14 V, I
O
= 500 mA (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
μ
A7908C
TYP
–8
UNITS
TJ
MIN
–7.7
MAX
–8.3
25
°
C
Output voltage
IO = 5 mA to 1 A,
P
≤
15 W
VI = –10.5 V to –25 V
VI = –11 V to –17 V
VI = –11.5 V to –21.5 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 = –10.5 V to –23 V,
0
°
C to 125
°
C
–7.6
–8.4
V
Input regulation
12.5
160
80
mV
4
Ripple rejection
0
°
C to 125
°
C
54
60
15
5
dB
Output regulation
160
80
mV
Temperature coefficient of output voltage
Output noise voltage
Dropout voltage
Bias current
0
°
C to 125
°
C
25
°
C
25
°
C
25
°
C
–0.6
200
1.1
1.5
0.15
0.08
2.1
mV/
°
C
μ
V
V
mA
2
1
Bias current change
VI = –10.5 V to –25 V
IO = 5 mA to 1 A
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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