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參數(shù)資料
| 型號： | TL780KC |
| 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)： | 6/8頁 |
| 文件大小： | 134K |
| 代理商： | TL780KC |
TL780 SERIES
POSITIVE-VOLTAGE REGULATORS
SLVS055F – APRIL 1981 – REVISED DECEMBER 1999
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics, V
I
= 23 V, I
O
= 500 mA, T
J
= 25
°
C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TL780-15Y
UNIT
MIN
TYP
15
MAX
Output voltage
IO = 5 mA to 1 A,
VI = 17.5 V to 30 V
VI = 20 V to 26 V
IO = 5 mA to 1.5 A
IO = 250 mA to 750 mA
f = 1 kHz
P
≤
15 W
V
Input voltage regulation
1.5
mV
1.5
Output voltage regulation
7
mV
2.5
Output resistance
0.0035
W
μ
V
V
Output noise voltage
f = 10 Hz to 100 kHz
225
Dropout voltage
IO = 1 A
2
Input bias current
5.5
mA
Short-circuit output current
230
mA
Peak output current
Pulse-testing techniques 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 0.33-
μ
F capacitor across the input and a 0.22-
μ
F capacitor across the output.
2.2
A
PARAMETER MEASUREMENT INFORMATION
(see Note B)
C2 = 0.22
μ
F
(see Note A)
C1 = 0.33
μ
F
OUTPUT
(see Note C)
INPUT
C
O
I
TL780
NOTES: A. C1 is required when the regulator is far from the power-supply filter.
B. C2 is not required for stability; however, transient response is improved.
C. Permanent damage can occur when OUTPUT is pulled below ground.
Figure 1. Test Circuit
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