Typical operating characteristics (continued) – Rainbow Electronics MAX15058 User 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