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| MAX15118 Datasheet, PDF (9/23 Pages) Maxim Integrated Products – High-Efficiency, 18A, Current-Mode Synchronous Step-Down Regulator with Integrated Switches | |||
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MAX15118
High-Efficiency, 18A, Current-Mode Synchronous
Step-Down Regulator with Integrated Switches
Typical Operating Characteristics (continued)
(VIN = 5V, VOUT = 1.5V, CSS = 0.1µF, see the Typical Operating Circuits, TA = +25°C, unless otherwise noted.)
SOFT-START WAVEFORMS WITH
SS/REFIN (NO LOAD, SKIP MODE)
MAX15118 toc26
VSS/REFIN
500mV/div
VOUT
1V/div
ILX
5A/div
STARTING INTO A 1V PREBIASED
OUTPUT (ILOAD = 10A)
MAX15118 toc27
VENABLE
2V/div
VOUT
1V
500mV/div
ILX
5A/div
VPGOOD
2V/div
1ms/div
STARTING INTO A 1V PREBIASED
OUTPUT (NO LOAD, PWM MODE)
MAX15118 toc28
VENABLE
2V/div
VOUT
1V
500mV/div
1ms/div
VPGOOD
5V/div
STARTING INTO A 1V PREBIASED
OUTPUT (NO LOAD, SKIP MODE)
MAX15118 toc29
VENABLE
2V/div
1V
VOUT
500mV/div
ILX
5A/div
ILX
5A/div
1ms/div
VPGOOD
5V/div
1ms/div
VPGOOD
5V/div
INPUT CURRENT vs. INPUT VOLTAGE
5
NO LOAD, SKIP MODE
4
3
2
1
0
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
INPUT VOLTAGE (V)
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