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參數(shù)資料
| 型號(hào)： | μA7815 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | General Purpose, High Current Positive-Voltage Regulator(15V，通用大電流正電壓穩(wěn)壓器) |
| 中文描述： | 通用，高電流正電壓穩(wěn)壓器（15V的，通用大電流正電壓穩(wěn)壓器） |
| 文件頁數(shù)： | 5/19頁 |
| 文件大小： | 481K |
| 代理商： | ΜA7815 |
μ
A7800 SERIES
POSITIVE-VOLTAGE REGULATORS
SLVS056B – MAY 1976 – REVISED OCTOBER 1996
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
MIN
MAX
UNIT
Input voltage, VI
μ
A7805C
μ
A7806C
μ
A7808C
μ
A7885C
μ
A7810C
μ
A7812C
μ
A7815C
μ
A7818C
μ
A7824C
7
8
25
25
25
25
28
30
30
33
38
1.5
125
125
V
10.5
10.5
12.5
14.5
17.5
21
27
Output current, IO
A
Operating virtual junction temperature TJ
Operating virtual junction temperature, TJ
μ
A7800C Series
μ
A7805Q,
μ
A7812Q
0
°
C
–40
electrical characteristics at specified virtual junction temperature, V
I
= 10 V, I
O
= 500 mA (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
μ
A7805C,
μ
A7805Q
MIN
TYP
4.8
UNIT
TJ
MAX
5.2
Output voltage
25
°
C
5
V
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
f = 1 kHz
IO = 5 mA
f = 10 Hz to 100 kHz
IO = 1 A
VI = 7 V to 20 V,
Full range§
4.75
5.25
Input voltage regulation
25
°
C
3
1
100
50
mV
Ripple rejection
f = 120 Hz
Full range§
62
78
15
5
dB
Output voltage regulation
25
°
C
100
50
mV
Output resistance
Temperature coefficient of output voltage
Output noise voltage
Dropout voltage
Bias current
Full range§
Full range§
25
°
C
25
°
C
25
°
C
0.017
–1.1
mV/
°
C
μ
V
V
mA
40
2
4.2
8
Bias current change
VI = 7 V to 25 V
IO = 5 mA to 1 A
Full range§
1.3
0.5
mA
Short-circuit output current
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 0.1-
μ
F capacitor across the output.
This specification applies only for dc power dissipation permitted by absolute maximum ratings.
§Full range virtual junction temperature is 0
°
C to 125
°
C for the
μ
A7805C and –40
°
C to 125
°
C for the
μ
A7805Q.
25
°
C
25
°
C
750
2.2
mA
A
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