參數(shù)資料
型號(hào): LM340T-5.0
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Series 3-Terminal Positive Regulators
中文描述: 5 V FIXED POSITIVE REGULATOR, PSFM3
封裝: POWER, PLASTIC, TO-220, 3 PIN
文件頁數(shù): 8/20頁
文件大小: 205K
代理商: LM340T-5.0
LM340, A Series
8
MOTOROLA ANALOG IC DEVICE DATA
LM340A–12
ELECTRICAL CHARACTERISTICS
(Vin = 19 V, IO = 1.0 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
11.75
12
12.25
Vdc
Line Regulation
14.8 Vdc to 27 Vdc, IO = 500 mA
14.5 Vdc to 30 Vdc (TJ = +25
°
C)
16 Vdc to 22 Vdc
16 Vdc to 22 Vdc (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
4.0
18
18
30
9.0
mV
Regload
60
32
19
mV
Output Voltage
14.8
Vin
27 Vdc, 5.0 mA
IO
1.0 A, PD
15 W
VO
11.5
12.5
Vdc
Quiescent Current
TJ = +25
°
C
IB
3.5
6.5
6.0
mA
Quiescent Current Change
5.0 mA
IO
1.0 A, Vin = 19 V
15
Vin
30 Vdc, IO = 500 mA
14.8
Vin
27 Vdc, IO = 1.0 A(TJ = +25
°
C)
IB
0.5
0.8
0.8
mA
Ripple Rejection
15
Vin
25 Vdc, f = 120 Hz
IO = 500 mA
IO = 1.0 A (TJ = +25
°
C)
RR
61
61
72
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
1.1
A
75
μ
V
Average Temperature Coefficient of Output Voltage
IO = 5.0 mA
TCVO
±
1.5
mV/
°
C
Peak Output Current (TJ = +25
°
C)
Input Voltage to Maintain Line Regulation (TJ = +25
°
C)
IO
2.4
A
14.5
Vdc
NOTE:
1. Tlow to Thigh = 0
°
to +125
°
C
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