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參數(shù)資料
| 型號： | UA78U33CDCYR |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | POSITIVE-VOLTAGE REGULATORS |
| 中文描述： | 正電壓調(diào)節(jié)器 |
| 文件頁數(shù)： | 9/20頁 |
| 文件大小： | 569K |
| 代理商： | UA78U33CDCYR |
www.ti.com
Electrical Characteristics
at specified virtual junction temperature, V
I
= 23 V, I
O
= 350 mA, T
J
= 25
°
C (unless otherwise noted)
μ
A78M00 SERIES
POSITIVE-VOLTAGE REGULATORS
SLVS059P–JUNE 1976–REVISED OCTOBER 2005
The
μ
A78M15 is obsolete and no longer supplied.
μ
A78M15C
MIN
TYP
14.4
14.25
PARAMETER
TEST CONDITIONS
(1)
UNIT
MAX
15.6
15.75
100
15
Output voltage
V
I
= 17.5 V to 30 V,
I
O
= 5 mA to 350 mA
V
T
J
= 0
°
C to 125
°
C
V
I
= 17.5 V to 30 V
V
I
= 20 V to 30 V
I
O
= 100 mA,
I
O
= 300 mA
10
Input voltage regulation
I
O
= 200 mA
mV
3
50
T
J
= 0
°
C to 125
°
C
54
54
V
= 18.5 V to 28.5 V,
f = 120 Hz
Ripple rejection
dB
70
25
10
I
O
= 5 mA to 500 mA
I
O
= 5 mA to 200 mA
300
150
Output voltage regulation
mV
Temperature coefficient
of output voltage
Output noise voltage
Dropout voltage
Bias current
I
O
= 5 mA,
T
J
= 0
°
C to 125
°
C
–1
mV/
°
C
f = 10 Hz to 100 kHz
90
μ
V
V
mA
2
4.8
6
V
I
= 17.5 V to 30 V,
I
O
= 5 mA to 350 mA,
I
O
= 200 mA,
T
J
= 0
°
C to 125
°
C
T
J
= 0
°
C to 125
°
C
0.8
0.5
Bias current change
mA
Short-circuit output current V
I
= 35 V
Peak output current
240
0.7
mA
A
(1)
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 T
J
as close to T
A
as possible. Thermal effects must be taken into account separately.
9
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