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LM340 Fiches technique(PDF) 7 Page - Motorola, Inc

No de pièce LM340
Description  THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
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Fabricant  MOTOROLA [Motorola, Inc]
Site Internet  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

LM340 Fiches technique(HTML) 7 Page - Motorola, Inc

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LM340, A Series
7
MOTOROLA ANALOG IC DEVICE DATA
LM340–12
ELECTRICAL CHARACTERISTICS (Vin = 19 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
11.5
12
12.5
Vdc
Line Regulation (Note 2)
15 Vdc to 27 Vdc
14.6 Vdc to 30 Vdc (TJ = +25°C)
16 Vdc to 22 Vdc, IO = 1.0 A
14.6 Vdc to 27 Vdc, IO = 1.0 A (TJ = +25°C)
Regline
120
120
60
120
mV
Load Regulation (Note 2)
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
120
120
60
mV
Output Voltage
14.5
≤ Vin ≤ 27 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W
VO
11.4
12.6
Vdc
Quiescent Current
IO = 1.0 A
TJ = +25°C
IB
4.0
8.5
8.0
mA
Quiescent Current Change
14.5
≤ Vin ≤ 30 Vdc, IO = 500 mA
5.0 mA
≤ IO ≤ 1.0 A, Vin = 19 V
14.8
≤ Vin ≤ 27 Vdc, IO = 1.0 A
∆IB
1.0
0.5
1.0
mA
Ripple Rejection
IO = 1.0 A (TJ = +25°C)
RR
55
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)
IO = 1.0 A
14.6
Vdc
NOTES: 1. Tlow to Thigh = 0° to +125°C
2. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately.
Pulse testing with low duty cycle is used.


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