LM340 Motorola Inc, LM340 Datasheet - Page 11

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LM340

Manufacturer Part Number
LM340
Description
THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
Manufacturer
Motorola Inc
Datasheet

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LM340–18
ELECTRICAL CHARACTERISTICS
NOTE: 1. T low to T high = 0 to +125 C
MOTOROLA ANALOG IC DEVICE DATA
Output Voltage (T J = +25 C)
Line Regulation
Load Regulation
Output Voltage
Quiescent Current
Quiescent Current Change
Ripple Rejection
Dropout Voltage
Output Resistance (f = 1.0 kHz)
Short Circuit Current Limit (T J = +25 C)
Output Noise Voltage (T A = +25 C)
Average Temperature Coefficient of Output Voltage
Peak Output Current (T J = +25 C)
Input Voltage to Maintain Line Regulation (T J = +25 C)
I O = 5.0 mA to 1.0 A
21.5 Vdc to 33 Vdc
21 Vdc to 33 Vdc (T J = +25 C)
24 Vdc to 30 Vdc, I O = 1.0 A
21 Vdc to 33 Vdc, I O = 1.0 A (T J = +25 C)
5.0 mA
5.0 mA
250 mA
21
I O = 1.0 A
T J = +25 C
21
5.0 mA
21
I O = 1.0 mA (T J = +25 C)
10 Hz
I O = 5.0 mA
I O = 1.0 A
V in
V in
V in
f
I O
I O
I O
I O
33 Vdc, 5.0 mA
33 Vdc, I O = 500 mA
33 Vdc, I O = 1.0 A
100 kHz
1.0 A
1.5 A (T J = +25 C)
1.0 A, V in = 27 V
750 mA (T J = +25 C)
I O
Characteristics
1.0 A, P D
(V in = 27 V, I O = 500 mA, T J = T low to T high [Note 1], unless otherwise noted.)
15 W
LM340, A Series
Symbol
Reg load
V I – V O
Reg line
TCV O
I SC
V O
V O
RR
V n
r O
I O
I B
I B
17.3
17.1
Min
53
21
Typ
500
110
4.0
1.7
2.0
2.4
18
69
2.3
Max
18.7
18.9
180
180
180
180
180
8.5
8.0
1.0
0.5
1.0
90
90
mV/ C
Unit
Vdc
Vdc
Vdc
m
Vdc
mV
mV
mA
mA
dB
A
A
V
11

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