Typical operating characteristics (continued) – Rainbow Electronics MAX15028 User Manual
Page 5
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
IN
= 1.8V, V
OUT
= 1.5V, I
OUT
= 1A, T
A
= +25°C, unless otherwise noted.)
MAX15027/MAX15028
1.425V to 3.6V Input, 1A Low-Dropout
Regulators with BIAS Input
_______________________________________________________________________________________
5
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX15027 toc11
1MHz
100Hz
10dB/div
50dB
MAX15028 FB VOLTAGE (V
FB
)
vs. TEMPERATURE
MAX15027 toc12
TEMPERATURE (
°C)
FB VOLTAGE (V
FB
) (V)
40
0
20
100
60
80
-20
120
0.492
0.500
0.502
0.494
0.504
0.496
0.506
0.498
0.508
0.510
0.490
-40
140
V
BIAS
= 3.3V
TURN-ON VIA ENABLE RESPONSE
MAX15027 toc10a
20
µs/div
1V/div
2V/div
V
OUT
V
EN
I
OUT
= 500mA
TURN-OFF VIA ENABLE RESPONSE
MAX15027 toc10b
4
µs/div
V
OUT
V
EN
I
OUT
= 500mA
1V/div
2V/div
POWER-UP RESPONSE
MAX15027 toc09a
2ms/div
1V/div
2V/div
V
OUT
V
IN
I
OUT
= 500mA
POWER-DOWN RESPONSE
MAX15027 toc09b
10
µs/div
1V/div
2V/div
V
OUT
V
IN
I
OUT
= 500mA