參數(shù)資料
型號(hào)： AAT2556
廠商： Advanced Analog Technology,lnc.
英文描述： Battery Charger and Step-Down Converter for Portable Applications
中文描述： 電池充電器和降壓轉(zhuǎn)換器為便攜式應(yīng)用
文件頁(yè)數(shù)： 26/29頁(yè)
文件大?。?/td> 708K
代理商： AAT2556
AAT2556
Battery Charger and Step-Down
Converter for Portable Applications
26
2556.2006.09.1.2
Table 6: Step-Down Converter Component Values.
Table 7: Suggested Inductors and Suppliers.
Inductance
(μH)
Max DC
Current (mA)
DCR
(m
Ω
)
88
115
135
150
180
230
260
54
78
98
135
80
95
140
190
90
100
120
140
Size (mm)
LxWxH
Manufacturer
Part Number
Type
Sumida
Sumida
Sumida
Sumida
Sumida
Sumida
Sumida
Sumida
Sumida
Sumida
Sumida
Taiyo Yuden
Taiyo Yuden
Taiyo Yuden
Taiyo Yuden
FDK
FDK
FDK
FDK
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
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
730
600
530
470
450
410
370
900
780
600
500
1200
1100
870
750
1200
1100
1000
900
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
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Chip shielded
Chip shielded
Chip shielded
Chip shielded
Output Voltage
V
OUT
(V)
0.6
2
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
Ω
R3 (k
Ω
)
—
19.6
29.4
39.2
49.9
59.0
68.1
78.7
88.7
118
124
137
187
267
R4 = 221k
Ω
1
R3 (k
Ω
)
—
75
113
150
187
221
261
301
332
442
464
523
715
1000
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
1. For reduced quiescent current, R4 = 221k
Ω
.
2. R4 is opened, R3 is shorted.
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