AP033
1.5A Low Dropout Positive Fixed-Mode Regulator
Typical Performance Characteristics
1.4
Dropout Voltage (V
IN
-V
OUT
)
Output Voltage Deviation(%)
T
J
=25
o
C
Load Regulation
0
-0.2
-0.4
-0.6
-0.8
-1
-1.2
-1.4
-1.6
-1.8
-2
-25
0
25
50
75
100
I
LOAD
=1.5A
Dropout Voltage (V)
1.2
1
0.8
0.6
0.4
0.2
0
0
200
T
J
=125
o
C
400
600
800
Output Current (mA)
Temperature(
o
C)
Temperature Stability
2
1
Output Voltage Deviation(%)
0.8
0.6
0.4
0.2
0
Line regulation
Output Voltage Chang (%)
1.5
1
0.5
0
-0.5
-1
-1.5
-2
-50
-25
0
25
50
75
100
125
150
5
7
Temperature (
o
C)
Input Voltage(V)
9
11
13
15
AP 033 Line Tra nsie nt Re sponse
Input Voltage (V)
7.5
Out put Voltage D ev iat ion (m V)
C IN = 1µ F
C OU T= 10µ F Tantalum
AP 033 Loa d Tra nsie nt Re sponse
30
20
10
0
-10
-20
-30
2
Load C urrent (A)
C
IN
= 10µ F
C
O U T
= 10µ F Tantalum
V
IN
= 4.8V
Preload= 0.1A
6.5
5.5
40
4.5
20
0
-20
-40
0
20
40
60
80
100 120
140
160
180
200
0
20
40
60
80
100
120 140
160 180
200
Out put Voltage D ev iat ion(m V)
0
1
0
-1
0
10
20
30
40
50
60
70
80
90
100
10
20
30
40
50
60
70
80
90
100
TIME(µs )
TIME(µs )
Anachip Corp.
www.anachip.com.tw
4/5
Rev.1.0 Aug.27, 2004
ANACHIP [ ANACHIP CORP ]
