AAT2556 Datasheet, PDF (25/27 Pages) Advanced Analogic Technologies – Battery Charger and Step-Down Converter for Portable Applications

DATA SHEET
AAT2556
Battery Charger and Step-Down Converter for Portable Applications
Output Voltage
V_OUT (V)
0.6²
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
R4 = 59k
R3 (k)
—
19.6
29.4
39.2
49.9
59.0
68.1
78.7
88.7
118
124
137
187
267
R4 = 221k¹
R3 (k)
—
75
113
150
187
221
261
301
332
442
464
523
715
1000
Table 6: Step-Down Converter Component Values.
L1 (μH)
1.5
1.5
1.5
1.5
1.5
1.5
1.5
2.2
2.7
3.0/3.3
3.0/3.3
3.0/3.3
3.9/4.2
5.6
Manufacturer
Sumida
Sumida
Sumida
Sumida
Sumida
Sumida
Sumida
Sumida
Sumida
Sumida
Sumida
Taiyo Yuden
Taiyo Yuden
Taiyo Yuden
Taiyo Yuden
FDK
FDK
FDK
FDK
Part Number
CDRH2D09-1R5
CDRH2D09-2R2
CDRH2D09-2R5
CDRH2D09-3R0
CDRH2D09-3R9
CDRH2D09-4R7
CDRH2D09-5R6
CDRH2D11-1R5
CDRH2D11-2R2
CDRH2D11-3R3
CDRH2D11-4R7
NR3010
NR3010
NR3010
NR3010
MIPWT3226D-1R5
MIPWT3226D-2R2
MIPWT3226D-3R0
MIPWT3226D-4R2
Inductance
(μH)
1.5
2.2
2.5
3
3.9
4.7
5.6
1.5
2.2
3.3
4.7
1.5
2.2
3.3
4.7
1.5
2.2
3
4.2
Max DC
Current (mA)
730
600
530
470
450
410
370
900
780
600
500
1200
1100
870
750
1200
1100
1000
900
DCR
(m)
88
115
135
150
180
230
260
54
78
98
135
80
95
140
190
90
100
120
140
Table 7: Suggested Inductors and Suppliers.
Size (mm)
LxWxH
3.0x3.0x1.0
3.0x3.0x1.0
3.0x3.0x1.0
3.0x3.0x1.0
3.0x3.0x1.0
3.0x3.0x1.0
3.0x3.0x1.0
3.2x3.2x1.2
3.2x3.2x1.2
3.2x3.2x1.2
3.2x3.2x1.2
3.0x3.0x1.0
3.0x3.0x1.0
3.0x3.0x1.0
3.0x3.0x1.0
3.2x2.6x0.8
3.2x2.6x0.8
3.2x2.6x0.8
3.2x2.6x0.8
Type
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Chip shielded
Chip shielded
Chip shielded
Chip shielded
Manufacturer
Murata
Murata
Part Number
GRM118R60J475KE19B
GRM188R60J106ME47D
Value (μF)
4.7
10
Voltage Rating
6.3
6.3
Table 8: Surface Mount Capacitors.
Temp. Co.
X5R
X5R
Case Size
0603
0603
1. For reduced quiescent current, R4 = 221kW.
2. R4 is opened, R3 is shorted.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
202177B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 19, 2013
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