MAX15058 Datasheet, PDF (5/21 Pages) Maxim Integrated Products – High-Efficiency, 3A, Current-Mode Synchronous, Step-Down Switching Regulator

High-Efficiency, 3A, Current-Mode
Synchronous, Step-Down Switching Regulator
Typical Operating Characteristics (continued)
(VIN = 5V, VOUT = 1.8V, ILOAD = 3A, Circuit of Figure 5, TA = +25NC, unless otherwise noted.)
LOAD-TRANSIENT RESPONSE
MAX15058 toc08
50mV/div
AC-COUPLED
1A/div
100µs/div
SWITCHING WAVEFORMS (IOUT = 3A)
MAX15058 toc09b
VOUT
20mV/div
AC-COUPLED
ILX
1AV/div
0A
VLX
5V/div
VIN = 3.3V
400ns/div
INPUT AND OUTPUT
WAVEFORMS (IOUT = 3A)
MAX15058 toc11
INPUT
20mV/div
AC-COUPLED
OUTPUT
100mV/div
AC-COUPLED
400ns/div
SWITCHING WAVEFORMS (IOUT = 3A)
MAX15058 toc09a
VOUT
20mV/div
AC-COUPLED
ILX
1AV/div
0A
400ns/div
VLX
5V/div
SWITCHING WAVEFORM IN SKIP MODE
(IOUT = 10mA)
MAX15058 toc10
10µs/div
VOUT
50mV/div
AC-COUPLED
I_LX
1A/div
VLX
5V/div
SHUTDOWN WAVEFORM
MAX15058 toc12
VENABLE
5V/div
VOUT
1V/div
ILX
1A/div
VPGOOD
5V/div
10µs/div
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