AAT2114A Datasheet, PDF (14/16 Pages) Skyworks Solutions Inc. – 2.5A Low-Noise, Fast Transient 3MHz Step-Down Regulator

DATA SHEET
AAT2114A
2.5A Low-Noise, Fast Transient 3MHz Step-Down Regulator
VIN
C₁
10μF
C6
Open
EN
U1
10 _VP
13
LX
11 _VP
LX ¹⁴
R1
12 _VP
LX ¹⁵
16
10Ω
N/C
9
AAT2114A
VCC
FB
4
C4
0.1μF
N/C ⁸
SGND ⁵
7 _EN
PGND N/C
L₁ 0.47μH
R3
59kΩ
R4
59kΩ
1 2 3 6 QFN 33 -16
C5
100pF
C2
10μF
VOUT
1.2V/2.5A
C3
C7
10μF Open
U1
C1, C2, C3
C4
C5
L1
R1
R3, R4
AAT2114AIVN, Skyworks, 3MHz Fast Transient, 2.5A Step-Down Converter, QFN33-16, 3x3mm
GRM188R60J106ME47D, Murata, Cap, MLC, 10μF/6.3V, 0603
0.1μF/6.3V, 0402
UMK105CG101JV-F10nF, Taiyo Yuden, 100pF/50V, 0402
252012T-R47N2R1, TDK, 0.47μH, I_SAT = 3.7A, DCR = 0.047Ω, 2.5x2x1.2mm, shielded chip inductor
Carbon film resistor, 10Ω, 1%, 0201
Carbon film resistor, 59kΩ, 1%, 0402
Figure 1: AAT2114AIVN Evaluation Board Schematic and Bill of Materials.
Figure 2: AAT2114AIVN Evaluation Board
Top Side Layout.
Figure 3: AAT2114AIVN Evaluation Board
Bottom Side Layout.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
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202004C • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 18, 2013