Datasheet
V
OUT
= 3.3V
1V/Div
5V/Div
200 Ps/DIV
V
IN
= 7V
0.5A/Div
I
OUT
= 2A
V
OUT
= 5V
1V/Div
5V/Div
200 Ps/DIV
V
IN
= 20V
0.5A/Div
I
OUT
= 2A
V
OUT
= 5V
50 mV/Div
100 Ps/DIV
500 mA/Div
I
OUT
V
OUT
= 3.3V
50 mV/Div
100 Ps/DIV
1A/Div
I
OUT
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
40
46
52
58
64
70
76
82
88
94
100
EFFICIENCY (%)
I
OUT
(A)
Vin = 7V
Vin = 8V
Vin = 10V
Vin = 12V
Vin = 14V
Vin = 16V
Vin = 18V
Vin = 20V
0.0 0.3 0.6 0.9 1.2 1.5 1.8 2.1
45
50
55
60
65
70
75
80
85
90
95
EFFICIENCY (%)
I
OUT
(A)
Vin = 5V
Vin = 7V
Vin = 9V
Vin = 12V
Vin = 14V
Vin = 16V
Vin = 18V
Vin = 20
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Performance Characteristics
6 Performance Characteristics
Efficiency vs. Load Current LMR12020 Efficiency vs. Load Current LMR12020
V
OUT
= 5V V
OUT
= 3.3V
Load Transient Waveforms LMR12020, V
OUT
= 5V Load Transient Waveforms LMR12020, V
OUT
= 3.3V
V
IN
= 12V, I
OUT
= 200mA to 2A V
IN
= 12V, I
OUT
= 200mA to 2A
Startup Waveform, V
OUT
= 3.3V Startup Waveform, V
OUT
= 5V
7
SNVU191A–October 2012–Revised April 2013 AN-2279 LMR12020 Evaluation Module
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