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LM340 Datasheet(PDF) 8 Page - Motorola, Inc

No. de pieza LM340
Descripción Electrónicos  THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
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Fabricante Electrónico  MOTOROLA [Motorola, Inc]
Página de inicio  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

LM340 Datasheet(HTML) 8 Page - Motorola, Inc

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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)
Regline
4.0
18
18
30
9.0
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
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
1.7
Vdc
Output Resistance (f = 1.0 kHz)
rO
2.0
m
Short Circuit Current Limit (TJ = +25°C)
ISC
1.1
A
Output Noise Voltage (TA = +25°C)
10 Hz
≤ f ≤ 100 kHz
Vn
75
µV
Average Temperature Coefficient of Output Voltage
IO = 5.0 mA
TCVO
±1.5
mV/
°C
Peak Output Current (TJ = +25°C)
IO
2.4
A
Input Voltage to Maintain Line Regulation (TJ = +25°C)
14.5
Vdc
NOTE: 1. Tlow to Thigh = 0° to +125°C


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