CS5203 -1
Block Diagram
V
OUT
V
IN
Output
Current
Limit
Thermal
Shutdown
-
+
Error
Amplifier
Adj
Bandgap
Reference
Typical Performance Characteristics
1.20
Reference Voltage Deviation (%)
1.15
1.10
Dropout Voltage (V)
1.05
1.00
0.95
0.90
0.85
0.80
0.75
0.00 0.30 0.60
0.90 1.20 1.50 1.80 2.10
Output Current (A)
2.40 2.70 3.00
T
CASE
= 25°C
TCASE
+0.3
+0.2
+0.1
= 0°C
0
-0.1
T
CASE
= 125°C
-0.2
-0.3
0
30
60
T
J
(°C)
90
120
Dropout Voltage vs. Output Current
Bandgap Reference Voltage Deviation vs. Temperature
90.00
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
10
1
10
2
10
3
10
4
10
5
10
6
Minimum Load Current (mA)
0.65
0.60
T
CASE
= 0°C
0.55
T
CASE
= 25°C
0.50
T
CASE
= 125°C
Ripple Rejection (dB)
0.45
0.40
1.00
2.00
3.00
4.00
5.00
V
IN
– V
OUT
(V)
6.00
7.00
8.00
Frequency (Hz)
Ripple Rejection vs. Frequency
Minimum Load Current vs V
IN
-V
OUT
3
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
