MAX15027 Datasheet, PDF (5/10 Pages) Maxim Integrated Products – 1.425V to 3.6V Input, 1A Low-Dropout Regulators with BIAS Input

1.425V to 3.6V Input, 1A Low-Dropout
Regulators with BIAS Input
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.)
POWER-UP RESPONSE
MAX15027 toc09a
POWER-DOWN RESPONSE
MAX15027 toc09b
V_OUT
1V/div
V_OUT
1V/div
V_IN
2V/div
2ms/div
I_OUT = 500mA
V_IN
2V/div
10µs/div
I_OUT = 500mA
TURN-ON VIA ENABLE RESPONSE
MAX15027 toc10a
TURN-OFF VIA ENABLE RESPONSE
MAX15027 toc10b
1V/div
V_OUT
1V/div
V_OUT
V_EN
2V/div
20µs/div
I_OUT = 500mA
2V/div
V_EN
4µs/div
I_OUT = 500mA
POWER-SUPPLY REJECTION RATIO
50dB
vs. FREQUENCY
MAX15027 toc11
10dB/div
100Hz
1MHz
MAX15028 FB VOLTAGE (V_FB)
vs. TEMPERATURE
0.510
0.508
0.506
0.504
0.502
0.500
0.498
0.496
0.494
0.492
V_BIAS = 3.3V
0.490
-40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
_______________________________________________________________________________________ 5