LM2940
LINEAR INTEGRATED CIRCUIT
TYPICAL CHARACTERISTICS (Cont.)
Output at Voltage Extremes
Output at Voltage Extremes
ROUT=100Ω
25
20
20
ROUT=100Ω
VOUT=12V
VOUT=10V
16
12
8
15
10
4
5
0
0
-4
-30
-5
-20
0
10
Input Voltage (V)
10
-30 -20 -10
0
20 30 40
-10
20 30 40
Input Voltage (V)
Output Capacitor ESR
Output at Voltage Extremes
ROUT=100Ω
100
10
1
25
20
COUT=22μF
VOUT=5V
VOUT=15V
15
10
STABLE
REGION
5
0
0.1
0.01
-5
0
200
400
10
600
-30 -20 -10
20 30 40
0
800 1000
Input Voltage (V)
Output Current (mA)
Output Impedance
Peak Output Current
3.0
2.0
10.00
5.00
VIN=10V
VOUT=5 V
COUT=22μF
VIN=14V
2.00
IoUT=50mA
1.00
0.50
0.20
0.10
0.05
0.02
1.0
0
0.01
0
1
10
100
1K 10K 100K 1M
-40
40
80
120
160
Frequency (Hz)
Temperature (°С)
UNISONIC TECHNOLOGIES CO., LTD
11 of 12
QW-R102-016.M
www.unisonic.com.tw
ETL [ E-TECH ELECTRONICS LTD ]
