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參數(shù)資料
| 型號： | μA79M20Y |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Fixed-Negative-Voltage Monolithic Integrated-Circuit Voltage Regulators(固定負輸出穩(wěn)壓器) |
| 中文描述： | 固定負電壓單片集成電路穩(wěn)壓器（固定負輸出穩(wěn)壓器） |
| 文件頁數(shù)： | 9/11頁 |
| 文件大?。?/td> | 183K |
| 代理商： | ΜA79M20Y |
μ
A79M00 SERIES
NEGATIVE-VOLTAGE REGULATORS
SLVS060D – JUNE 1976 – REVISED JULY 1999
9
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
A79M12Y
MIN
UNIT
TYP
MAX
Output voltage
–12
V
Input voltage regulation
VI = –14.5 V to –30 V
VI = –15 V to –25 V
VI = –15 V to –25 V,
IO = 5 mA to 500 mA
IO = 5 mA to 350 mA
IO = 5 mA
f = 10 Hz to 100 kHz
9
mV
5
Ripple rejection
IO = 300 mA,
f = 120 Hz
60
dB
Output voltage regulation
65
mV
45
Temperature coefficient of output voltage
–0.8
mV/
°
C
μ
V
V
Output noise voltage
300
Dropout voltage
1.1
Bias current
1.5
mA
Short-circuit output current
VI = –30 V
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
electrical characteristics at specified virtual junction temperature, V
I
= –23 V, I
O
= 350 mA, T
J
= 25
°
C
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
μ
A79M15Y
MIN
UNIT
TYP
MAX
Output voltage
–15
V
Input voltage regulation
VI = –17.5 V to –30 V
VI = –18 V to –28 V
VI = –18.5 V to –28.5 V,
IO = 5 mA to 500 mA
IO = 5 mA to 350 mA
IO = 5 mA
f = 10 Hz to 100 kHz
9
mV
7
Ripple rejection
IO = 300 mA,
f = 120 Hz
59
dB
Output voltage regulation
65
mV
45
Temperature coefficient of output voltage
–1
mV/
°
C
μ
V
V
Output noise voltage
375
Dropout voltage
IO = 5 mA
1.1
Bias current
1.5
mA
Short-circuit output current
VI = –30 V
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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