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MAX15109 Datasheet, PDF (5/19 Pages) Maxim Integrated Products – High-Efficiency, 8A, Current-Mode Synchronous Step-Down Switching Regulator
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High-Efficiency, 8A, Current-Mode Synchronous
Step-Down Switching Regulator with VID Control
Typical Operating Characteristics (continued)
(Circuit of Typical Application Circuit, TA = +25NC, unless otherwise noted.)
LOAD-TRANSIENT RESPONSE
(VIN = 5V, VOUT = 0.9V)
MAX15109 toc06
SWITCHING WAVEFORMS
(IOUT = 8A, VIN = 5V)
MAX15109 toc07
40µs/div
VOUT
10mV/div
AC-COUPLED
4A
IOUT
2A
400ns/div
VOUT
10mV/div
AC-COUPLED
ILX
5A/div
VLX
5V/div
SWITCHING WAVEFORM IN SKIP MODE
(IOUT = 10mA, VIN = 5V)
MAX15109 toc08
VOUT
10mV/div
AC-COUPLED
ILX
2A /div
VLX
5V/div
40µs/div
SOFT-START WAVEFORMS
(NO LOAD, SKIP MODE)
MAX15109 toc10a
VEN
2V/div
VLX
5V/div
SHUTDOWN WAVEFORM
(ILOAD = 8A)
MAX15109 toc09
VEN
2V/div
VLX
5V/div
ILX
5A/div
10µs/div
VOUT
500mV/div
VPGOOD
2V/div
SOFT-START WAVEFORMS
(ILOAD = 8A)
MAX15109 toc10b
VEN
2V/div
VLX
5V/div
200µs/div
VOUT
500mV/div
VPGOOD
5V/div
200µs/div
VOUT
500mV/div
VPGOOD
5V/div
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