SP6656_06 Datasheet, PDF (4/16 Pages) Sipex Corporation – High Efficiency 400mA Synchronous Buck Regulator with Dynamically Adjustable Voltage Output

TYPICAL PERFORMANCE CHARACTERISTICS
Refer to the typical application schematic, T_AMB= +27°C
100
95
90
85
80
75
70
65
60
0.1
Vi=3.6V
Vi=3.9V
Vi=4.2V
Vi=5.0V
1.0
10.0
100.0
ILoad (mA)
1000.0
100
95
90
85
80
75
70
65
60
0.1
Vi=3.6V
Vi=3.9V
Vi=4.2V
Vi=5.0V
1.0
10.0 100.0
ILoad (mA)
1000.0
Efficiency vs. Load, V_OUT=3.3V
Efficiency vs Load, V_OUT = 1.5V
3.45
Vi=3.6V
3.40
Vi=3.9V
Vi=4.2V
3.35
Vi=5.0V
3.30
3.25
3.20
3.15
0
100 200 300 400 500
ILoad (mA)
Line/Load Rejection, V_OUT = 3.3V
1.55
1.53
Vi=3.6V
Vi=3.9V
1.51
Vi=4.2V
Vi=5.0V
1.49
1.47
1.45
0
100 200 300 400 500
ILoad (mA)
Line/Load Rejection, V = 1.5V
OUT
500
50
400
Tamb = 85C
40
Tamb = 85C
Tamb = 25C
Tamb = 25C
300
Tamb = -40C
30
Tamb = -40C
200
100
0
3.0
3.3
3.6
3.9
Vin (V)
No Load Battery Current, V_OUT=3.3V
20
10
0
3.0
3.3
3.6
3.9
4.2
4.2
Vin (V)
No Load Battery Current, V_OUT=1.5V
Date: 3/6/06
SP6656, 400mA Synchronous Buck Regulator with Dynamically Adjustable Voltage Output
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© Copyright 2006 Sipex Corporation