Block Diagram
VOUT
VIN
Output
Current
Limit
Thermal
Shutdown
-
+
Error
Amplifier
Bandgap
Reference
Gnd
Typical Performance Characteristics
1.20
+0.3
+0.2
1.15
1.10
1.05
1.00
0.95
+0.1
0
T
= 0°C
CASE
0.90
T
= 25°C
-0.1
CASE
T
= 125°C
CASE
0.85
0.80
-0.2
-0.3
0.75
0.00 0.30 0.60 0.90 1.20 1.50 1.80 2.10 2.40 2.70 3.00
0
30
60
90
120
Output Current (A)
T
(°C)
J
Dropout Voltage vs. Output Current
Output Voltage Deviation vs Temperature
0.16
0.12
85
75
65
55
0.08
T
= 25°C
= 1A
CASE
T
= 125°C
CASE
45
35
I
OUT
(V Ð V
V
) = 3V
OUT
IN
T
= 25°C
CASE
= 1.0V
PP
0.04
RIPPLE
25
15
T
= 0°C
CASE
0.000
1
2
3
4
5
6
0
1.5
3
10
10
10
10
10
10
Output Current (A)
Frequency (Hz)
Load Regulation vs. Output Current
Ripple Rejection vs Frequency
3
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
