參數(shù)資料
型號(hào): LM340K-12
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類(lèi): 基準(zhǔn)電壓源/電流源
英文描述: 3-Terminal Positive Regulators
中文描述: 12 V FIXED POSITIVE REGULATOR, MBFM2
封裝: METAL CAN, TO-3, 2 PIN
文件頁(yè)數(shù): 5/20頁(yè)
文件大?。?/td> 205K
代理商: LM340K-12
LM340, A Series
5
MOTOROLA ANALOG IC DEVICE DATA
LM340–6.0
ELECTRICAL CHARACTERISTICS
(Vin = 11 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
5.75
6.0
6.25
Vdc
Line Regulation
9.0 Vdc to 21 Vdc
8.0 Vdc to 25 Vdc (TJ = +25
°
C)
9.0 Vdc to 13 Vdc, IO = 1.0 A
8.3 Vdc to 21 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
60
60
30
60
mV
Regload
60
60
30
mV
Output Voltage
8.0
Vin
21 Vdc, 6.0 mA
IO
1.0 A, PD
15 W
VO
5.7
6.3
Vdc
Quiescent Current
IO = 1.0 A
TJ = +25
°
C
IB
4.0
8.5
8.0
mA
Quiescent Current Change
8.0
Vin
25 Vdc, IO = 500 mA
5.0 mA
IO
1.0 A, Vin = 11 V
8.6
Vin
21 Vdc, IO = 1.0 A
IB
1.0
0.5
1.0
mA
Ripple Rejection
IO = 1.0 A (TJ = +25
°
C)
RR
59
78
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
1.9
A
45
μ
V
Average Temperature Coefficient of Output Voltage
IO = 5.0 mA
TCVO
±
0.7
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
8.3
Vdc
NOTE:
1. Tlow to Thigh = 0
°
to +125
°
C
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