
MP2108 – 2A, 6V, 740KHz SYNCHRONOUS BUCK CONVERTER
MP2108 Rev 1.1
10/2/2006
www.MonolithicPower.com
5
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2006 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
(continued)
Circuit of Figure 2, V
IN
= 5V, V
OUT
= 2.5V, L1 = 5μH, C1 = 10μF, C2 = 22μF, T
A
= +25
°
C, unless
otherwise noted.
Steady State Operation
No Load
Full Load
V
EN
2V/div.
V
OUT
2V/div.
1ms/div.
Start-up through Enable
No Load
V
EN
2V/div.
V
2V/div.
400ms/div.
Shut-down through Enable
No Load
V
EN
5V/div.
V
OUT
1V/div.
100ms/div.
Start-up through Enable
Full Load
V
EN
2V/div.
V
OUT
2V/div.
200ms/div.
Shut-down through Enable
Full Load
V
5V/div.
V
OUT
AC Coupled
10mV/div.
I
L
1A/div.
400ns/div.
V
SW
5V/div.
V
AC Coupled
10mV/div.
I
L
2A/div.
400ns/div.
Steady State Operation
V
OUT
AC Coupled
200mV/div.
I
L
1A/div.
Load Transient
0.5A-1A Step Resistive Load