APS1056 View Datasheet(PDF) - Advanced Analogic Technologies
Part Name
Description
MFG CO.
'APS1056' PDF : 20 Pages View PDF
APS1056
Fast Transient 600mA Step-Down Converter
Adjustable Version
(0.6V device)
VOUT (V)
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.8
1.85
2.0
2.5
3.3
Fixed Version
VOUT (V)
0.6-3.3V
R2 = 59kΩ
R2 = 221kΩ1
R1 (kΩ)
19.6
29.4
39.2
49.9
59.0
68.1
78.7
88.7
118
124
137
187
267
R2, R4 Not Used
R1 (kΩ)
0
R1 (kΩ)
75.0
113
150
187
221
261
301
332
442
464
523
715
1000
Table 3: Evaluation Board Component Values.
L1 (µH)
2.2
2.2
2.2
2.2
2.2
2.2
4.7
4.7
4.7
4.7
6.8
6.8
6.8
L1 (µH)
4.7
Manufacturer
Sumida
Sumida
Sumida
MuRata
MuRata
Coilcraft
Coiltronics
Coiltronics
Coiltronics
Part Number
CDRH3D16-2R2
CDRH3D16-4R7
CDRH3D16-6R8
LQH2MCN4R7M02
LQH32CN4R7M23
LPO3310-472
SD3118-4R7
SD3118-6R8
SDRC10-4R7
Inductance
(µH)
2.2
4.7
6.8
4.7
4.7
4.7
4.7
6.8
4.7
Max DC
Current (A)
1.20
0.90
0.73
0.40
0.45
0.80
0.98
0.82
1.30
DCR
(Ω)
0.072
0.105
0.170
0.80
0.20
0.27
0.122
0.175
0.122
Size (mm)
LxWxH
3.8x3.8x1.8
3.8x3.8x1.8
3.8x3.8x1.8
2.0x1.6x0.95
2.5x3.2x2.0
3.2x3.2x1.0
3.1x3.1x1.85
3.1x3.1x1.85
5.7x4.4x1.0
Table 4: Typical Surface Mount Inductors.
Type
Shielded
Shielded
Shielded
Non-Shielded
Non-Shielded
1mm
Shielded
Shielded
1mm Shielded
1. For reduced quiescent current, R2 and R4 = 221kΩ.
18
(PRELIMINARY INFORMATION) APS1056.2007.04.0.9
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