EN5339QI Datasheet, PDF (6/19 Pages) Enpirion, Inc. – 3A Low Profile Synchronous Buck DC-DC Converter with Integrated Inductor

Typical Performance Curves
100
90
80
70
60
50
40
30
20
10
0
0
Efficiency vs. Output Current
VOUT = 2.5V
VOUT = 1.8V
VOUT = 1.2V
VOUT = 1.0V
CONDITIONS
VIN = 3.3V
0.5
1
1.5
2
2.5
3
OUTPUT CURRENT (A)
Dropout Voltage
3.6
IOUT = 1A
3.5
IOUT = 2A
3.4
IOUT = 3A
3.3
3.2
3.1
3
CONDITIONS
2.9
VOUT = 3.3V
2.8
3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4
INPUT VOLTAGE(V)
EN5339QI
100
90
80
70
60
50
40
30
20
10
0
0
Efficiency vs. Output Current
VOUT = 3.3V
VOUT = 2.5V
VOUT = 1.8V
VOUT = 1.2V
VOUT = 1.0V
CONDITIONS
VIN = 5V
0.5
1
1.5
2
2.5
3
OUTPUT CURRENT (A)
Output Voltage vs. Output Current
3.36
3.34
VOUT = 3.3V
3.32
3.3
3.28
3.26
3.24
0
CONDITIONS
VIN = 5V
0.5
1
1.5
2
2.5
3
OUTPUT CURRENT (A)
Output Voltage vs. Output Current
2.56
2.54
VOUT = 2.5V
2.52
2.5
2.48
2.46
2.44
0
CONDITIONS
VIN = 5V
0.5
1
1.5
2
2.5
3
OUTPUT CURRENT (A)
Output Voltage vs. Output Current
1.86
1.84
VOUT = 1.8V
1.82
1.8
1.78
1.76
1.74
0
CONDITIONS
VIN = 5V
0.5
1
1.5
2
2.5
3
OUTPUT CURRENT (A)
©Enpirion 2012 all rights reserved, E&OE
06903
September 12, 2012
www.enpirion.com, Page 6
Rev: B