AAT2503 Datasheet, PDF (19/22 Pages) Advanced Analogic Technologies – Adjustable 3-Channel Regulator

DATA SHEET
AAT2503
Adjustable Three-Channel Regulator
Figure 1: AAT2503 Evaluation Board
Component Side Layout.
Figure 2: AAT2503 Evaluation Board
Solder Side Layout.
SYNC
R10
100k
VIN
R1
100
3
C4
2
0.1μF
1
VINA
C8
3
1μF
2
1
C9
VINB
1μF
1
2
3
EN
GND
1
2
3
ENB
1
2
3
ENA
R12
100k
POK
U1
5 _FB
AAT2503
LX ⁹
4 _SYNC
LX ⁸
13 _VIN
OUTA ¹⁷
18 _VINA
POK ¹⁵
19 _VINB
FBA ¹⁶
10 _VP
OUTB ²⁰
14 _{EN/SET FBB} 1
3 _ENB
PGND ⁷
2 _ENA
C7
10μF
AGND ⁶
LX
L1
2.2μH CDRH2D14
R3
100k
R4
C2
10μF
R5
R7
R8
59.0k 59.0k
C6
C5
2.2μF 2.2μF
GND
VOUT_BUCK
R2
C3
0.01μF
C1
100pF
OUTA
OUTB
R6
59.0k
GND
GND
C5, C6 2.2μF, 10V, X5R, 0603 GRM188R61A225KE34
C8, C9 1μF, 6.3V, X5R, 0603 GRM185R60J105KE26
C2, C7 10μF, 6.3V, X5R, 0805 GRM219R60J106KE19
L1 Sumida CDRH2D14 or Coltronics SD3814
U1 AAT2503 QFN34-20
Figure 3: AAT2503 Evaluation Board Schematic.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
202016B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 19, 2013
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