MAX15118 Datasheet, PDF (6/23 Pages) Maxim Integrated Products – High-Efficiency, 18A, Current-Mode Synchronous Step-Down Regulator with Integrated Switches

MAX15118
High-Efficiency, 18A, Current-Mode Synchronous
Step-Down Regulator with Integrated Switches
Typical Operating Characteristics (continued)
(V_IN = 5V, V_OUT = 1.5V, C_SS = 0.1µF, see the Typical Operating Circuits, T_A = +25°C, unless otherwise noted.)
OUTPUT VOLTAGE vs. OUTPUT CURRENT
(SKIP MODE, VOUT = 1.5V)
1.53
1.52
VIN = 5V
1.51
1.50
1.49
VIN = 3.3V
1.48
LOAD-TRANSIENT RESPONSE
(VIN = 5V, VOUT = 1.5V, IOUT = 0.1A TO 9A)
MAX15118 toc09
PWM MODE
V_OUT
50mV/div
AC-COUPLED
9A
I_OUT
5A/div
0.1A
1.47
0 2 4 6 8 10 12 14 16 18
OUTPUT CURRENT (A)
100µs/div
LOAD-TRANSIENT RESPONSE
(VIN = 3.3V, VOUT = 1.5V, ILOAD = 0.1A TO 9A)
MAX15118 toc10
PWM MODE
LOAD-TRANSIENT RESPONSE
(VIN = 5V, VOUT = 1.5V, ILOAD = 0.1A TO 9A)
MAX15118 toc11
SKIP MODE
V_OUT
50mV/div
AC-COUPLED
9A
I_OUT
5A/div
0.1A
100µs/div
LOAD-TRANSIENT RESPONSE
(VIN = 3.3V, VOUT = 1.5V, ILOAD = 0.1A TO 9A)
MAX15118 toc12
SKIP MODE
100µs/div
V_OUT
50mV/div
AC-COUPLED
9A
I_OUT
5A/div
0.1A
V_OUT
50mV/div
AC-COUPLED
9A
I_OUT
5A/div
0.1A
100µs/div
LOAD-TRANSIENT RESPONSE
(VIN = 5V, VOUT = 1.5V, ILOAD = 1.8A TO 16A)
MAX15118 toc13
PWM MODE
V_OUT
50mV/div
AC-COUPLED
16A
I_OUT
5A/div
1.8A
100µs/div
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