Owner's manual

MAX15028 BIAS CURRENT (I
BIAS
)
vs. BIAS VOLTAGE (V
BIAS
)
MAX15027 toc04
BIAS VOLTAGE (V)
BIAS CURRENT (µA)
21453
10
30
40
20
50
60
0
06
I
OUT
= 0
MAX15028 BIAS CURRENT (I
BIAS
)
vs. OUTPUT CURRENT
MAX15027 toc05
OUTPUT CURRENT (mA)
BIAS CURRENT (µA)
700600300 800200 500100 900400
46
50
51
47
52
48
53
49
54
55
45
0 1000
V
BIAS
= 3.3V
V
BIAS
= 5.5V
GROUND CURRENT
vs. OUTPUT CURRENT
MAX15027 toc06
LOAD CURRENT (A)
GROUND CURRENT (mA)
0.70.60.3 0.80.2 0.50.1 0.90.4
0.33
0.31
0.34
0.32
0.35
0.30
01.0
V
BIAS
= 3.3V
MAX15027/MAX15028
1.425V to 3.6V Input, 1A Low-Dropout
Regulators with BIAS Input
4 _______________________________________________________________________________________
Typical Operating Characteristics
(Circuit of Figure 1, V
IN
= 1.8V, V
OUT
= 1.5V, I
OUT
= 1A, T
A
= +25°C, unless otherwise noted.)
MAX15028
OUTPUT VOLTAGE vs. INPUT VOLTAGE
MAX15027 toc01
INPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
3.53.00.5 1.0 1.5 2.0 2.5
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0
04.0
I
OUT
= 0
V
BIAS
= 3.3V
MAX15028
OUTPUT VOLTAGE vs. OUTPUT CURRENT
MAX15027 toc02
OUTPUT CURRENT (mA)
OUTPUT VOLTAGE (V)
800 900200 400 600 700100 300 500
1.485
1.490
1.495
1.500
1.505
1.510
1.515
1.520
1.480
0 1000
V
BIAS
= 3.3V
INPUT CURRENT (I
IN
)
vs. INPUT VOLTAGE (V
IN
)
MAX15027 toc03
INPUT VOLTAGE (V)
INTPUT CURRENT (mA)
3.0 3.51.0 1.5 2.50.5 2.0
0.1
0.2
0.3
0.4
0
04.0
V
BIAS
= 3.3V
MAX15028 DROPOUT VOLTAGE
vs. OUTPUT CURRENT
MAX15027 toc07
OUTPUT CURRENT (mA)
DROPOUT VOLTAGE (mV)
700600300 800200 500100 900400
20
100
120
40
140
60
160
80
180
200
0
0 1000
V
BIAS
= 3.3V
V
IN
= 1.4V
MAX15028 DROPOUT VOLTAGE
vs. OUTPUT CURRENT
MAX15027 toc07
OUTPUT CURRENT (mA)
DROPOUT VOLTAGE (mV)
700600300 800200 500100 900400
20
100
120
40
140
60
160
80
180
200
0
0 1000
V
BIAS
= 3.3V
V
IN
= 1.4V