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SP6656ER3-L/TR
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P16
4
Date: 3/6/06
SP6656, 400mA Synchronous Buck Regulator with Dynamically Adjustable Voltage Output © Copyright 2006 Sipex
Corporation
Efficiency vs Load, V
OUT
= 1.5V
Line/Load Rejection, V
OUT
= 3.3V
Line/Load Rejection, V
OUT
= 1.5V
No Load Battery Current, V
OUT
=3.3V
No Load Battery Current, V
OUT
=1.5V
TYPICAL PERFORMANCE CHARACTERISTICS
Refer to the typical application schematic, T
AMB
= +27
°
C
Efficiency vs. Load, V
OUT
=3.3V
60
65
70
75
80
85
90
95
100
0.1
1.0
10.0
100.0
1000.0
ILoad (mA)
Efficiency (%)
Vi=3.6V
Vi=3.9V
Vi=4.2V
Vi=5.0V
60
65
70
75
80
85
90
95
100
0.1
1.0
10.0
100.0
1000.0
ILoad (mA)
Efficiency (%)
Vi=3.6V
Vi=3.9V
Vi=4.2V
Vi=5.0V
3.15
3.20
3.25
3.30
3.35
3.40
3.45
0
100
200
300
400
500
ILoad (mA)
Vout (V)
Vi=3.6V
Vi=3.9V
Vi=4.2V
Vi=5.0V
1.45
1.47
1.49
1.51
1.53
1.55
0
100
200
300
400
500
ILoad (mA)
Vout (V)
Vi=3.6V
Vi=3.9V
Vi=4.2V
Vi=5.0V
0
10
20
30
40
50
3.0
3.3
3.6
3.9
4.2
Vin (V)
Iin
(
_
_
_
_
A)
Tamb = 85C
Tamb = 25C
Tamb = -40C
0
100
200
300
400
500
3.0
3.3
3.6
3.9
4.2
Vin (V)
Iin (uA)
Tamb = 85C
Tamb = 25C
Tamb = -40C
5
Date: 3/6/06
SP6656, 400mA Synchronous Buck Regulator with Dynamically Adjustable Voltage Output © Copyright 2006 Sipex
Corporation
TYPICAL PERFORMANCE CHARACTERISTICS
Refer to the typical application schematic, T
AMB
= +27
°
C
Efficiency at 3.3Vout
(L1 = LQH2MCN4R7)
50
60
70
80
90
100
0.1
1
10
100
1000
Iout (mA)
Efficiency (%)
Vin=3.6V
Vin=4.2V
4.7uH Efficiency at 3.3Vout
(L1 = LQH32CN4R7)
50
60
70
80
90
100
0.1
1
10
100
1000
Iout (mA)
Efficiency (%)
Vin=3.6V
Vin=4.2V
4.7uH Efficiency at 1.8Vout
(L1 = LQH32CN4R7)
50
60
70
80
90
100
0.1
1
10
100
1000
Iout (mA)
Efficiency (%)
Vin=3.0V
Vin=3.6V
Vin=4.2V
4.7uH Efficiency at 3.3Vout
(L1 = LQH31CN4R7)
50
60
70
80
90
100
0.1
1
10
100
1000
Iout (mA)
Efficiency (%)
Vin=3.6V
Vin=4.2V
4.7uH Efficiency at 1.8Vout
(L1 = LQH31CN4R7)
50
60
70
80
90
100
0.1
1
10
100
1000
Iout (mA)
Efficiency (%)
Vin=3.0V
Vin=3.6V
Vin=4.2V
4.7uH Efficiency at 1.8Vout
(L1 = LQH2MCN4R7)
50
60
70
80
90
100
0.1
1
10
100
1000
Iout (mA)
Efficiency (%)
Vin=3.0V
Vin=3.6V
Vin=4.2V
6
Date: 3/6/06
SP6656, 400mA Synchronous Buck Regulator with Dynamically Adjustable Voltage Output © Copyright 2006 Sipex
Corporation
0.0
100.0
200.0
300.0
400.0
500.0
600.0
700.0
3.5
4.0
4.5
5.0
Vin (
V)
Frequency (KHz)
V
out = 3.3V
Measured
V
out = 3.3V
Calculated
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
3.6
3.9
4.2
4.5
4.8
5.1
5.4
Vin (
V)
Kon (V*usec)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
3.0
3.3
3.6
3.9
4.2
4.5
4.8
5.1
5.4
Vin (V)
Kon (V*usec)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
3.6
3.9
4.2
4.5
4.8
5.1
5.4
Vin
(V)
Koff (V*usec)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
3.0
3.3
3.6
3.9
4.2
4.5
4.8
5.1
5.4
Vin (V
)
Koff (V*usec)
K
ON
vs V
IN
, V
OUT
=3.3V
K
ON
vs V
IN
, V
OUT
=1.5V
K
OFF
vs V
IN
, V
OUT
=3.3V
K
OFF
vs V
IN
, V
OUT
=1.5V
TYPICAL PERFORMANCE CHARACTERISTICS
Refer to the typical application schematic, T
AMB
= +27
°
C
0.0
100.0
200.0
300.0
400.0
500.0
600.0
700.0
3.4
3.8
4.2
4.6
5.0
Vin (V
)
Frequency (KHz)
V
out = 1.5V
Measured
V
out = 1.5V
Calculated
Ripple Frequency vs. V
IN
, I
OUT
=0.4A, V
OUT
=3.3V
Ripple Frequency vs. V
IN
, I
OUT
=0.4A, V
OUT
=1.5V
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P16
SP6656ER3-L/TR
Mfr. #:
Buy SP6656ER3-L/TR
Manufacturer:
MaxLinear
Description:
Switching Controllers High Eff 400mA Synchronous
Lifecycle:
New from this manufacturer.
Delivery:
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