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LM340 数据表(PDF) 11 Page - ON Semiconductor

部件名 LM340
功能描述  THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
PDF  20 Pages
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

LM340 数据表(HTML) 11 Page - ON Semiconductor

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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)
Regline
–
–
–
–
–
–
–
–
180
180
90
180
mV
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)
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
–
1.7
–
Vdc
Output Resistance (f = 1.0 kHz)
rO
–
2.0
–
m
Ω
Short Circuit Current Limit (TJ = +25°C)
ISC
–
500
–
A
Output Noise Voltage (TA = +25°C)
10 Hz
≤ f ≤ 100 kHz
Vn
–
110
–
µV
Average Temperature Coefficient of Output Voltage
IO = 5.0 mA
TCVO
–
±2.3
–
mV/
°C
Peak Output Current (TJ = +25°C)
IO
–
2.4
–
A
Input Voltage to Maintain Line Regulation (TJ = +25°C)
IO = 1.0 A
21
–
–
Vdc
NOTE: 1. Tlow to Thigh = 0° to +125°C



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