LM2937
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
8 of 10
www.unisonic.com.tw
QW-R102-012.F
TYPICAL CHARACTERISTICS(Cont.)
-10 10
Line Transient Response
20
-20
0
3V
03040
0V
20
40
100
Ripple Rejection
Ripple Rejection (dB)
1K
40
50
10 10K 100K
60
70
Frequency (Hz)
1.0 3.0
Low Voltage Behavior
Output Voltage (V)
4.0
2.0
2.0 5.0 6.0
1.0
3.0
4.0
5.0
Input Voltage (V)
0
4
6
2
2
8
10
0
4
6
Input Voltage (V)
12 14
8
10
12
14
50 60
Load Transient Response
Load
Current (A)
I
OUT
=50mA
V
OUT
=5 V
T
a
=25
Time ( s)
1M
I
OUT
=500mA
V
OUT
=5 V
T
J
=25
Output Voltage (V)
Low Voltage Behavior
I
OUT
=500mA
T
J
=25
0
6
3
3
9
12
0
6
Input Voltage (V)
15 18
9
12
15
18
Output Voltage (V)
Low Voltage Behavior
V
OUT
=15 VT
J
=25
Input Voltage
Change (V)
Output Voltage
Deviation (mV)
Time ( s)
-1 1 2
-50
0
400
034
0
50
56
Output Voltage
Deviation (mV)
V
IN
=10V
V
OUT
=5 V
I
OUT
=50mA
C
OUT
=10 F
0
0
V
OUT
=10V
V
OUT
=8 V
I
OUT
=500mA
V
OUT
=12 V