參數(shù)資料
型號(hào)： AAT2120
廠商： Advanced Analogic Technologies, Inc.
英文描述： 500mA Low Noise Step-Down Converter
中文描述： 低噪聲500mA的降壓轉(zhuǎn)換器
文件頁(yè)數(shù)： 17/20頁(yè)
文件大?。?/td> 1145K
代理商： AAT2120
AAT2120
500mA Low Noise Step-Down Converter
2120.2007.10.1.1
17
Table 3: Evaluation Board Component Values.
Table 4: Suggested Inductors and Suppliers.
Inductance
(μH)
1.5
2.2
2.7
3.3
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)
1800
1500
1350
1200
1100
1000
950
900
780
600
500
1200
1100
870
750
1200
1100
1000
900
DCR
(m
Ω
)
50
75
85
100
110
135
150
54
78
98
135
80
95
140
190
90
100
120
140
Size (mm)
LxWxH
3.0x3.0x1.55
3.0x3.0x1.55
3.0x3.0x1.55
3.0x3.0x1.55
3.0x3.0x1.55
3.0x3.0x1.55
3.0x3.0x1.55
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
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
CDRH2D14-1R5
CDRH2D14-2R2
CDRH2D14-2R7
CDRH2D14-3R3
CDRH2D14-3R9
CDRH2D14-4R7
CDRH2D14-5R6
CDRH2D11-1R5
CDRH2D11-2R2
CDRH2D11-3R3
CDRH2D11-4R7
NR3010
NR3010
NR3010
NR3010
MIPWT3226D-1R5
MIPWT3226D-2R2
MIPWT3226D-3R0
MIPWT3226D-4R2
Type
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
R2 = 59k
Ω
R1 (k
Ω
)
—
19.6
29.4
39.2
49.9
59.0
68.1
78.7
88.7
118
124
137
187
267
R2 = 221k
Ω
1
R1 (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, R2 = 221k
Ω
.
2. R2 is opened, R1 is shorted.
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