LM340, A Series
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
Output Voltage (TJ = +25°C)
IO = 5.0 mA to 1.0 A
VO
11.75
12
12.25
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)
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)
Output Voltage
14.8 ≤ Vin ≤ 27 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W
Regline
–
–
–
–
–
18
4.0
18
–
30
–
9.0
Regload
–
–
–
–
60
–
32
–
19
VO
11.5
–
12.5
Quiescent Current
TJ = +25°C
IB
–
–
6.5
–
3.5
6.0
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)
Ripple Rejection
15 ≤ Vin ≤ 25 Vdc, f = 120 Hz
IO = 500 mA
IO = 1.0 A (TJ = +25°C)
Dropout Voltage
Output Resistance (f = 1.0 kHz)
Short Circuit Current Limit (TJ = +25°C)
Output Noise Voltage (TA = +25°C)
10 Hz ≤ f ≤ 100 kHz
∆IB
–
–
0.5
–
–
0.8
–
–
0.8
RR
61
–
–
61
72
–
VI – VO
–
1.7
–
rO
–
2.0
–
ISC
–
1.1
–
Vn
–
75
–
Average Temperature Coefficient of Output Voltage
IO = 5.0 mA
TCVO
–
±1.5
–
Peak Output Current (TJ = +25°C)
Input Voltage to Maintain Line Regulation (TJ = +25°C)
NOTE: 1. Tlow to Thigh = 0° to +125°C
IO
–
2.4
–
14.5
–
–
Unit
Vdc
mV
mV
Vdc
mA
mA
dB
Vdc
mΩ
A
µV
mV/°C
A
Vdc
8
MOTOROLA ANALOG IC DEVICE DATA