Rainbow Electronics MAX15058 - Manual (Page 5)

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