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參數(shù)資料
| 型號： | LM340SX-5.0 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 24 Characters x 2 Lines, 5x7 Dot Matrix Character and Cursor |
| 中文描述： | 5 V FIXED POSITIVE REGULATOR, PSSO3 |
| 封裝： | TO-263, 3 PIN |
| 文件頁數(shù)： | 11/20頁 |
| 文件大?。?/td> | 205K |
| 代理商： | LM340SX-5.0 |
LM340, A Series
11
MOTOROLA ANALOG IC DEVICE DATA
LM340–18
ELECTRICAL CHARACTERISTICS
(Vin = 27 V, IO = 500 mA, TJ = Tlow to Thigh [Note 1], unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = +25
°
C)
IO = 5.0 mA to 1.0 A
VO
17.3
18
18.7
Vdc
Line Regulation
21.5 Vdc to 33 Vdc
21 Vdc to 33 Vdc (TJ = +25
°
C)
24 Vdc to 30 Vdc, IO = 1.0 A
21 Vdc to 33 Vdc, IO = 1.0 A (TJ = +25
°
C)
Load Regulation
5.0 mA
≤
IO
≤
1.0 A
5.0 mA
≤
IO
≤
1.5 A (TJ = +25
°
C)
250 mA
≤
IO
≤
750 mA (TJ = +25
°
C)
Regline
–
–
–
–
–
–
–
–
180
180
90
180
mV
Regload
–
–
–
–
–
–
180
180
90
mV
Output Voltage
21
≤
Vin
≤
33 Vdc, 5.0 mA
≤
IO
≤
1.0 A, PD
≤
15 W
VO
17.1
–
18.9
Vdc
Quiescent Current
IO = 1.0 A
TJ = +25
°
C
IB
–
–
–
4.0
8.5
8.0
mA
Quiescent Current Change
21
≤
Vin
≤
33 Vdc, IO = 500 mA
5.0 mA
≤
IO
≤
1.0 A, Vin = 27 V
21
≤
Vin
≤
33 Vdc, IO = 1.0 A
IB
–
–
–
–
–
–
1.0
0.5
1.0
mA
Ripple Rejection
IO = 1.0 mA (TJ = +25
°
C)
RR
53
69
–
dB
Dropout Voltage
VI – VO
rO
ISC
Vn
–
1.7
–
Vdc
Output Resistance (f = 1.0 kHz)
–
2.0
–
m
Short Circuit Current Limit (TJ = +25
°
C)
Output Noise Voltage (TA = +25
°
C)
10 Hz
≤
f
≤
100 kHz
–
500
–
A
–
110
–
μ
V
Average Temperature Coefficient of Output Voltage
IO = 5.0 mA
TCVO
–
±
2.3
–
mV/
°
C
Peak Output Current (TJ = +25
°
C)
Input Voltage to Maintain Line Regulation (TJ = +25
°
C)
IO = 1.0 A
IO
–
2.4
–
A
21
–
–
Vdc
NOTE:
1. Tlow to Thigh = 0
°
to +125
°
C
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