CS5253-1
Typical Performance Characteristics
Reference Voltage vs Junction Temperature
1.253
0.12
Load Regulation vs Output Current
1.252
0.10
Reference Voltage (V)
1.251
Load Regulation (%)
0.08
T
J
= 120°C
0.06
T
J
= 20°C
1.250
1.249
0.04
T
J
= 0°C
0.02
1.248
1.247
0
20
40
60
80
100
120
0
0
0.5
1.0
1.5
2.0
2.5
3.0
Junction Temperature (C)
Output Current (A)
Transient Response
5.0
V
CONTROL
= 5.0V
V
POWER
= 3.3V
V
OUT
= 2.5V
C
CONTROL
= 10mF
C
POWER
= 100mF
C
ADJ
= 0.1mF
C
OUT
= 300mF
Output Current vs V
POWER
-V
OUT
Measured at
DV
OUT
= -1%
4.5
4.0
3.5
Output Current (A)
3.0
2.5
2.0
1.5
1.0
0.5
0
0
1
2
3
4
5
6
V
OUT
I
LOAD
,
10mA to 3A
V
POWER
- V
OUT
(V)
Adjust Pin Current vs Junction Temperature
85
Minimum Load Current vs V
CONTROL
-V
OUT
1200
1150
Minimum Load Current (mA)
V
POWER
=3.3V
D
V
OUT
=+1%
80
1100
1050
1000
950
900
850
I
ADJ
(mA)
75
70
65
60
0
20
40
60
80
100
120
140
800
1.0 2.0
3.0
4.0
Junction Temperature (C)
5.0
6.0
7.0 8.0
V
CONTROL
-V
OUT
(V)
9.0
10.0 11.0
4
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
