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參數資料
| 型號： | UA7952Y |
| 英文描述： | MPEG 2.5 layer III audio decoder supporting CD-ROM capability & ADPCM |
| 中文描述： | 負穩壓器（167.63十一） |
| 文件頁數： | 4/10頁 |
| 文件大小： | 167K |
| 代理商： | UA7952Y |
μ
A7900 SERIES
NEGATIVE-VOLTAGE REGULATORS
SLVS058A – JUNE 1976 – REVISED OCTOBER 1996
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at specified virtual junction temperature, V
I
= –10 V, I
O
= 500 mA (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
μ
A7905C
TYP
UNITS
TJ
MIN
–4.8
MAX
–5.2
25
°
C
–5
Output voltage
IO = 5 mA to 1 A,
P
≤
15 W
VI = –7 V to –25 V
VI = –8 V to –12 V
VI = –8 V to –18 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 = –7 V to –20 V,
0
°
C to 125
°
C
–4.75
–5.25
V
Input regulation
12.5
50
15
mV
4
Ripple rejection
f = 120 Hz
0
°
C to 125
°
C
54
60
15
5
dB
Output regulation
100
50
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
125
1.1
1.5
0.15
0.08
2.1
mV/
°
C
μ
V
V
mA
2
Bias current change
VI = –7 V to –25 V
IO = 5 mA to 1 A
0.5
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
= –10 V, I
O
= 500 mA (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
μ
A7952C
TYP
–5.2
UNITS
TJ
MIN
–5
MAX
–5.4
25
°
C
Output voltage
IO = 5 mA to 1 A,
P
≤
15 W
VI = –7.2 V to –25 V
VI = –8.2 V to –12 V
VI = –8.2 V to –18 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 = –7.2 V to –20 V,
0
°
C to 125
°
C
–4.95
–5.45
V
Input regulation
12.5
100
50
mV
4
Ripple rejection
f = 120 Hz
0
°
C to 125
°
C
54
60
15
5
dB
Output regulation
100
50
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
125
1.1
1.5
0.15
0.08
2.1
mV/
°
C
μ
V
V
mA
2
Bias current change
VI = –7.2 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
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