SP6656 Datasheet, PDF (4/17 Pages) Sipex Corporation – High Efficiency 400mA Synchronous Buck Regulator with Bit Programmable Output

TYPICAL PERFORMANCE CHARACTERISTICS
Refer to the typical application schematic, T_AMB= +27°C
100
100
95
90
85
80
75
0.1
1.0
10.0
100.0
ILoad (mA)
1000.0
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
1000.0
ILoad (mA)
Efficiency vs. Load, V_OUT=3.3V, V_IN=3.6V
Efficiency vs Load, V_OUT = 1.5V
3.45
3.40
3.35
3.30
Vi=3.6V
Vi=3.9V
Vi=4.2V
Vi=5.0V
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
1.51
1.49
Vi=3.6V
Vi=3.9V
Vi=4.2V
Vi=5.0V
1.47
1.45
0
100
200
300
400
500
ILoad (mA)
Line/Load Rejection, V_OUT = 1.5V
500
Tamb = 85°C
Tamb = 25°C
400
Tamb = -40°C
300
200
100
0
3.0
3.3
3.6
3.9
4.2
Vin (V)
No Load Battery Current, V_OUT=3.3V
50
Tamb = 85°C
Tamb = 25°C
40
Tamb = -40°C
30
20
10
0
3.0
3.3
3.6
3.9
4.2
Vin (V)
No Load Battery Current, V_OUT=1.5V
Date: 7/9/04
SP6656 High Efficiency 400mA Synchronous Buck Regulator with Bit Programmable Output
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© Copyright 2004 Sipex Corporation