Block Diagram
VOUT
VIN
Output
Current
Limit
Thermal
Shutdown
Error
Amplifier
-
+
Bandgap
Gnd
Typical Performance Characteristics
1.05
1.00
0.10
0.08
0.06
0.04
T
0ûC
CASE
0.95
0.90
0.85
0.80
0.75
0.02
0.00
T
25ûC
CASE
-0.02
-0.04
-0.06
-0.08
-0.10
-0.12
T
125ûC
CASE
0
10 20 30 40 50 60 70 80 90 100 110 120 130
TJ (°C)
0
300
600
900
1200
1500
I
(mA)
OUT
Dropout Voltage vs Output Current
Output Voltage vs. Temperature
3.5
3.3
3.1
2.9
85
75
65
2.7
2.5
2.3
2.1
1.9
1.7
55
T
= 25°C
= 1.5A
CASE
45
35
25
15
I
OUT
(V Ð V
V
) = 3V
OUT
IN
= 1.0V
PP
RIPPLE
1.5
5
1
2
3
4
6
10
10
10
10
10
10
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
Frequency (Hz)
VIN - VOUT (V)
Ripple Rejection vs. Frequency
Short Circuit Current vs VIN-VOUT
3
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
