CS5257A-1
Typical Performance Characteristics
Reference Voltage vs Temperature
0.100
0.090
0.080
Output Voltage Deviation (%)
0.070
0.060
0.050
0.040
0.030
0.020
0.010
0.000
V
POWER
=2.05V
V
CONTROL
=2.75V
Load Regulation vs Output Current
0.100
0.075
0.050
Output Voltage Deviation (%)
0.025
-0.000
-0.025
-0.050
-0.075
-0.100
-0.125
-0.150
0 10 20 30 40 50 60 70 80 90 100 110120130
T
J
(°C)
I
0
=10mA
V
CONTROL
=2.75V,
V
POWER
=2.05V
0.00
1.00
2.00
3.00
4.00
5.00
6.00
7.00
Output Current (A)
Transient Response
100
Output Voltage Deviation (mV)
Short Circuit Current vs V
POWER
-V
OUT
15.0
14.0
13.0
12.0
11.0
10.0
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
50
0
Output Current (A)
V
CONTROL
=2.75V
-50
-100
C
OUT
=330mF
C
POWER
=110mF
C
CONTROL
=10mF
C
ADJUST
=0.1mF
V
CONTROL
=5V
V
POWER
=3.3V
V
OUT
=2.5V
Current (A)
7
0
0
0
1
2
3
Time (ms)
4
5
V
POWER
-V
OUT
(V)
Adjust Pin Current vs Temperature
83.0
Minimum Load Current vs V
CONTROL
-V
OUT
1200.000
81.0
Adjust Pin Current (mA)
1150.000
Minimum Load Current (mA)
79.0
77.0
75.0
73.0
71.0
69.0
67.0
65.0
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0 160.0
Temperature (C)
V
POWER
=3.3V
D
V
OUT
=+1%
1100.000
1050.000
1000.000
950.000
900.000
850.000
800.000
1.0 2.0
3.0
4.0
5.0
6.0
7.0 8.0
V
CONTROL
-V
OUT
(V)
9.0
10.0 11.0
4
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
