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参数资料
| 型号： | mA78M20CKC |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | POSITIVE-VOLTAGE REGULATORS |
| 中文描述： | 正电压调节器 |
| 文件页数： | 8/13页 |
| 文件大小： | 213K |
| 代理商： | MA78M20CKC |
μ
A78M00 SERIES
POSITIVE-VOLTAGE REGULATORS
SLVS059D – JUNE 1976 – REVISED JULY 1999
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at specified virtual junction temperature, V
I
= 33 V, I
O
= 350 mA, T
J
= 25
°
C
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
μ
A78M24C
MIN
23
UNIT
TYP
24
MAX
O tp t oltage
Output voltage
VI= 27 V to 38 V
VI = 27 V to 38 V,
IO= 5 mA to 350 mA
IO = 5 mA to 350 mA
25
V
TJ = 0
°
C to 125
°
C
22.8
25.2
Input voltage regulation
IO= 200 mA
IO = 200 mA
VI = 27 V to 38 V
VI = 28 V to 38 V
IO = 100 mA,
IO = 300 mA
10
100
mV
5
50
Ripple rejection
VI = 28 V to 38 V,
f = 120 Hz
TJ = 0
°
C to 125
°
C
50
dB
50
70
Output voltage regulation
IO = 5 mA to 500 mA
IO = 5 mA to 200 mA
30
480
mV
10
240
Temperature coefficient
of output voltage
IO = 5 mA,
TJ = 0
°
C to 125
°
C
–1.2
mV/
°
C
Output noise voltage
f = 10 Hz to 100 kHz
170
μ
V
V
Dropout voltage
2
Bias current
5
6
mA
Bias current change
VI = 27 V to 38 V,
IO = 5 mA to 350 mA,
VI = 35 V
IO = 200 mA,
TJ = 0
°
C to 125
°
C
TJ = 0
°
C to 125
°
C
0.8
mA
0.5
Short-circuit output current
240
mA
Peak output current
All characteristics are measured with a 0.33-
μ
F capacitor across the input and a 0.1-
μ
F capacitor across the output. Pulse-testing techniques
maintain TJ as close to TA as possible. Thermal effects must be taken into account separately.
0.7
A
electrical characteristics at specified virtual junction temperature, V
I
= 10 V, I
O
= 350 mA, T
J
= 25
°
C
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
μ
A78M05Y
MIN
UNIT
TYP
MAX
Output voltage
5
V
Input voltage regulation
IO= 200 mA
IO = 200 mA
VI = 7 V to 25 V
VI = 8 V to 25 V
IO = 300 mA,
3
mV
1
Ripple rejection
VI = 8 V to 18 V,
IO = 5 mA to 500 mA
IO = 5 mA to 200 mA
IO = 5 mA
f = 10 Hz to 100 kHz
f = 120 Hz
80
dB
Output voltage regulation
20
mV
10
Temperature coefficient of output voltage
–1
mV/
°
C
μ
V
V
Output noise voltage
40
Dropout voltage
2
Bias current
4.5
mA
Short-circuit output current
VI = 35 V
300
mA
Peak output current
All characteristics are measured with a 0.33-
μ
F capacitor across the input and a 0.1-
μ
F capacitor across the output. Pulse-testing techniques
maintain TJ as close to TA as possible. Thermal effects must be taken into account separately.
0.7
A
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MA78M20CKTP | 制造商:TI 制造商全称:Texas Instruments 功能描述:POSITIVE-VOLTAGE REGULATORS |
| MA78M20Y | 制造商:TI 制造商全称:Texas Instruments 功能描述:POSITIVE-VOLTAGE REGULATORS |
| MA78M24 | 制造商:TI 制造商全称:Texas Instruments 功能描述:POSITIVE-VOLTAGE REGULATORS |
| MA78M24CKC | 制造商:TI 制造商全称:Texas Instruments 功能描述:POSITIVE-VOLTAGE REGULATORS |
| MA78M24CKTP | 制造商:TI 制造商全称:Texas Instruments 功能描述:POSITIVE-VOLTAGE REGULATORS |
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