LM340, A Series
10
MOTOROLA ANALOG IC DEVICE DATA
LM340A–15
ELECTRICAL CHARACTERISTICS
(V
in
= 23 V, I
O
= 1.0 mA, T
J
= T
low
to T
high
[Note 1], unless otherwise noted.)
Characteristics
Symbol Min Typ Max Unit
Output Voltage (T
J
= +25°C)
I
O
= 5.0 mA to 1.0 A
V
O
14.7 15 15.3 Vdc
Line Regulation
17.9 Vdc to 30 Vdc, I
O
= 500 mA
17.5 Vdc to 30 Vdc (T
J
= +25°C)
20 Vdc to 26 Vdc, I
O
= 1.0 A
20 Vdc to 26 Vdc, I
O
= 1.0 A (T
J
= +25°C)
Reg
line
–
–
–
–
–
4.0
–
–
22
22
30
10
mV
Load Regulation
5.0 mA ≤ I
O
≤ 1.0 A
5.0 mA ≤ I
O
≤ 1.5 A (T
J
= +25°C)
250 mA ≤ I
O
≤ 750 mA (T
J
= +25°C)
Reg
load
–
–
–
–
12
–
75
35
21
mV
Output Voltage
17.9 ≤ V
in
≤ 30 Vdc, 5.0 mA ≤ I
O
≤ 1.0 A, P
D
≤ 15 W
V
O
14.4 – 15.6 Vdc
Quiescent Current
T
J
= +25°C
I
B
–
–
–
3.5
6.5
6.0
mA
Quiescent Current Change
5.0 mA ≤ I
O
≤ 1.0 A, V
in
= 23 V
17.9 ≤ V
in
≤ 30 Vdc, I
O
= 500 mA
17.9 ≤ V
in
≤ 30 Vdc, I
O
= 1.0 A (T
J
= +25°C)
∆I
B
–
–
–
–
–
–
0.5
0.8
0.8
mA
Ripple Rejection
18.5 ≤ V
in
≤ 28.5 Vdc, f = 120 Hz
I
O
= 500 mA
I
O
= 1.0 A (T
J
= +25°C)
RR
60
60
–
70
–
–
dB
Dropout Voltage V
I
– V
O
– 1.7 – Vdc
Output Resistance (f = 1.0 kHz) r
O
– 2.0 – mΩ
Short Circuit Current Limit (T
J
= +25°C) I
SC
– 800 – A
Output Noise Voltage (T
A
= +25°C)
10 Hz ≤ f ≤ 100 kHz
V
n
– 90 – µV
Average Temperature Coefficient of Output Voltage
I
O
= 5.0 mA
TCV
O
– ±1.8 – mV/°C
Peak Output Current (T
J
= +25°C) I
O
– 2.4 – A
Input Voltage to Maintain Line Regulation (T
J
= +25°C) 17.5 – – Vdc
NOTE: 1. T
low
to T
high
= 0° to +125°C
