參數(shù)資料
型號： LM340-5.0MDA
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： 3-Terminal Positive Regulators
中文描述： 5 V FIXED POSITIVE REGULATOR, UUC
封裝： DIE
文件頁數(shù)： 6/20頁
文件大小： 205K
代理商： LM340-5.0MDA
LM340, A Series
6
MOTOROLA ANALOG IC DEVICE DATA
LM340–8.0
ELECTRICAL CHARACTERISTICS
(Vin = 14 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
7.7
8.0
8.3
Vdc
Line Regulation
11 Vdc to 23 Vdc
10.5 Vdc to 25 Vdc (TJ = +25
°
C)
11 Vdc to 17 Vdc, IO = 1.0 A
10.5 Vdc to 23 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
–
–
–
–
–
–
–
–
80
80
40
80
mV
Regload
–
–
–
–
–
–
80
80
40
mV
Output Voltage
10.5
≤
Vin
≤
23 Vdc, 5.0 mA
≤
IO
≤
1.0 A, PD
≤
15 W
VO
7.6
–
8.4
Vdc
Quiescent Current
IO = 1.0 A
TJ = +25
°
C
IB
–
–
–
4.0
8.5
8.0
mA
Quiescent Current Change
10.5
≤
Vin
≤
25 Vdc, IO = 500 mA
5.0 mA
≤
IO
≤
1.0 A, Vin = 14 V
10.6
≤
Vin
≤
23 Vdc, IO = 1.0 A
IB
–
–
–
–
–
–
1.0
0.5
1.0
mA
Ripple Rejection
IO = 1.0 A (TJ = +25
°
C)
RR
56
76
–
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
–
1.5
–
A
–
52
–
μ
V
Average Temperature Coefficient of Output Voltage
IO = 5.0 mA
TCVO
–
±
1.0
–
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
10.5
–
–
Vdc
NOTE:
1. Tlow to Thigh = 0
°
to +125
°
C
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