CS5203−1
VOUT
VIN
Thermal
Shutdown
Bandgap
Reference
Output
Current
Limit
− + Error
Amplifier
Adj
Figure 2. Block Diagram
TYPICAL PERFORMANCE CHARACTERISTICS
1.20
+0.3
1.15
1.10
1.05
TCASE = 0°C
+0.2
+0.1
1.00
0
0.95
0.90
0.85
0.80
TCASE = 25°C
TCASE = 125°C
−0.1
−0.2
0.75
0
0.30 0.60 0.90 1.20 1.50 1.80 2.10 2.40 2.70 3.00
Output Current (A)
Figure 3. Dropout Voltage vs. Output
Current
−0.3
0
30
60
90
120
TJ (°C)
Figure 4. Bandgap Reference Voltage
Deviation vs. Temperature
90
80
70
60
50
40
30
20
10
101
102
103
104
105
106
Frequency (Hz)
Figure 5. Ripple Rejection vs. Frequency
0.65
0.60
0.55
0.50
0.45
TCASE = 25°C
TCASE = 0°C
TCASE = 125°C
0.40
1
2
3
4
5
6
7
8
VIN − VOUT (V)
Figure 6. Minimum Load Current vs.
VIN − VOUT
http://onsemi.com
3