AAT1143IJS-1.8-T1 Просмотр технического описания (PDF) - Skyworks Solutions
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AAT1143IJS-1.8-T1 Datasheet PDF : 19 Pages
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DATA SHEET
AAT1143
1MHz 400mA Step-Down Converter
VOUT (V)
Adjustable Version
(0.6V device)
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.8
1.85
2.0
2.5
VOUT (V)
Fixed Version
0.6-3.3V
R1 (kΩ)
R2 = 59kΩ
R1 (kΩ)
R2 = 221kΩ1
19.6
29.4
39.2
49.9
59.0
68.1
78.7
88.7
118
124
137
187
75.0
113
150
187
221
261
301
332
442
464
523
715
R1 (k)
R2 Not Used
0
Table 3: Evaluation Board Component Values.
L1 (μH)
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7 or 6.8
10
L1 (μH)
4.7
Manufacturer
Sumida
Sumida
Murata
Murata
Murata
Coilcraft
Coilcraft
Coiltronics
Coiltronics
Coiltronics
Coiltronics
Part Number
CDRH3D16-4R7
CDRH3D16-100
LQH32CN4R7M23
LQH32CN4R7M33
LQH32CN4R7M53
LPO6610-472
LPO3310-472
SDRC10-4R7
SDR10-4R7
SD3118-4R7
SD18-4R7
Inductance
(μH)
4.7
10
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
Max DC
Current (A)
0.90
0.55
0.45
0.65
0.65
1.10
0.80
1.53
1.30
0.98
1.77
DCR ()
0.11
0.21
0.20
0.15
0.15
0.20
0.27
0.117
0.122
0.122
0.082
Table 4: Typical Surface Mount Inductors.
Size (mm)
LxWxH
3.8x3.8x1.8
3.8x3.8x1.8
2.5x3.2x2.0
2.5x3.2x2.0
2.5x3.2x1.55
5.5x6.6x1.0
3.3x3.3x1.0
4.5x3.6x1.0
5.7x4.4x1.0
3.1x3.1x1.85
5.2x5.2x1.8
Type
Shielded
Shielded
Non-Shielded
Non-Shielded
Non-Shielded
1mm
1mm
1mm Shielded
1mm Shielded
Shielded
Shielded
Manufacturer
Murata
Murata
Murata
Murata
Part Number
GRM21BR61A475KA73L
GRM18BR60J475KE19D
GRM21BR60J106KE19
GRM21BR60J226ME39
Value
4.7μF
4.7μF
10μF
22μF
Voltage
10V
6.3V
6.3V
6.3V
Table 5: Surface Mount Capacitors.
Temp. Co.
X5R
X5R
X5R
X5R
Case
0805
0603
0805
0805
1. For reduced quiescent current R2 = 221k.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201983B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 25, 2013
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