Datasheet
MAX8526/MAX8527/MAX8528
1.425V to 3.6V Input, 2A,
0.2V Dropout LDO Regulators
4 _______________________________________________________________________________________
Typical Operating Characteristics
(Typical values are: V
IN
= +1.8V, V
OUT
= +1.5V, I
OUT
= 2A, C
OUT
=10µF, C
IN
= 2.2µF, and T
A
= +25°C, unless otherwise noted.)
1.30
1.40
1.35
1.50
1.45
1.55
1.60
OUTPUT VOLTAGE
vs. INPUT VOLTAGE
MAX8526/27/28 toc01
INPUT VOLTAGE (V)
OUTPUT VOTAGE (V)
0 1.2 1.80.6 2.4 3.0 3.6
T
A
= -40°C TO +85°C
1.490
1.493
1.492
1.491
1.494
1.495
1.496
1.497
1.498
1.499
1.500
0800400 1200 1600 2000 2400
OUTPUT VOLTAGE
vs. LOAD CURRENT
MAX8526/27/28 toc02
LOAD CURRENT (mA)
OUTPUT VOLTAGE (V)
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
0
300
200
100
500
400
600
700
GROUND CURRENT
vs. INPUT VOLTAGE
MAX8526/27/28 toc03
INPUT VOLTAGE (V)
GROUND CURRENT (µA)
0 1.2 1.80.6 2.4 3.0 3.6
I
LOAD
= 2A
I
LOAD
= 0A
I
LOAD
= 1A
250
300
350
400
450
500
550
600
650
0 800400 1200 1600 2000 2400
GROUND CURRENT
vs. LOAD CURRENT
MAX8526/27/28 toc04
LOAD CURRENT (mA)
GROUND CURRENT (µA)
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
0
25
75
50
100
125
0 800400 1200 1600 2000
DROPOUT VOLTAGE
vs. LOAD CURRENT
MAX8526/27/28 toc05
LOAD CURRENT (mA)
DROPOUT VOLTAGE (mV)
LINE-TRANSIENT RESPONSE
(V
IN
= 1.8V TO 2.5V, I
OUT
= 2A)
MAX8526/27/28 toc06
V
OUT
10mV/div
AC-COUPLED
V
IN
500mV/div
AC-COUPLED
100µs/div
LOAD-TRANSIENT RESPONSE
(I
LOAD
= 0.2A TO 2.2A; C
IN
= 220µF
ELECTROLYTIC CAP CLOSE TO IN)
MAX8526/27/28 toc07
V
OUT
50mV/div
AC-COUPLED
I
LOAD
1A/div
40µs/div
2.2A
0.2A
SHUTDOWN RESPONSE
MAX8526/27/28 toc08
V
OUT
1V/div
I
IN
2A/div
EN
2V/div
100µs/div