V
OUT
= 1.2V
100 mV/Div
100
P
s/DIV
500 mA/Div
I
OUT
V
OUT
= 1.2V
20 mV/Div
2V/Div
200 ns/DIV
V
SW
V
OUT
= 1.2V
20 mV/Div
2V/Div
200 ns/DIV
V
SW
0.0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0
57
60
63
66
69
72
75
78
81
EF
F
IC
IEN
C
Y
(%
)
I
OUT
(A)
Vin = 3.0V
Vin = 3.5V
Vin = 4.0V
Vin = 4.2V
Vin = 4.6V
Vin = 4.8V
Vin = 5.2V
Vin = 5.5V
V
OUT
= 1.2V
500 mV/Div
1V/Div
100
P
s/DIV
V
IN
= 5.5V
2A/Div
I
OUT
= 3A
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Typical Performance Characteristics
5
Typical Performance Characteristics
Efficiency vs Load Current
V
OUT
= 1.2V
Startup
Steady-state (CCM Mode)
Steady-state (DCM Mode)
V
IN
= 3V, I
OUT
= 3A
V
IN
= 5.5V, I
OUT
= 0.025A
Load Transient
V
IN
= 5.5V, I
OUT
= 0.3A to 3A
7
SNVU192A – October 2012 – Revised April 2013
AN-2280 LMR10530 Evaluation Module
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