AAT2782_12 Datasheet, PDF (19/22 Pages) Skyworks Solutions Inc. – Triple-Output PMIC Dual Buck with Low-VIN LDO

AAT2782 Schematic
VCC
2
1
2
EN3
3
R2
59K
EN3
VCC
C4
VCC
3
1
2
EN2
3
EN2
0.1μF
C7
0.01μF
VCC
4
1
2
EN1
3
EN1
R4
59K
DATA SHEET
AAT2782
Triple-Output PMIC: Dual Buck with Low-V_IN LDO
U1
1 _FB2
C2
C1
10μF
P1 ₁
N.A.
R3 107K
VOUT3
1.2V@0.4A
1
AAT2782
OUT3 ¹⁶
C3
10μF
10V
VCC
R1
0
1 VOUT1
2
3 VOUT2
2 _EN3
3 _VIN
VIN3 ¹⁵
LX2 ¹⁴
L2 2.2μH
4 _AGND
5 _BYP
6 _EN2
GND2 ¹³
VP2 ¹²
VP1 ¹¹
C6
10μF
7 _EN1
GND1 ¹⁰
8 _FB1
EP
LX1 ⁹
L1 1.5μH
R5
59K
C9
N.A.
1.7V@ 0.6A VOUT2
P2
C5
4.7μF
P3
GND
P4
P5 GND
VCC
C8
10μF
P6
1.2V@1.2A VOUT1
Symbol
U1
L2
L1
C2, C6, C8
C3
C5
C9
R2-R6
Part Number
AAT2782
NLCV32T-2R2M
744028002
LQM2HPN2R2MG0
LQH32PN1R5NN0L
Description
Skyworks AAT2782 Two Buck, One LDO 3x4 TDFN
TDK 2.2μH Chip Inductor, I_SAT = 770mA, 3.2x2.5x2.2mm
Wurth 2.2μH Inductor, I_SAT = 1A, 2.8x2.8x1.1mm
Murata 2.2μH Inductor, I_SAT = 1.3A, 2.5x2.0x0.9mm
Murata 1.5μH Inductor, I_SAT = 1.75A, 3.2x2.5x1.7mm
Generic, MLC, 0603, 10μF/6.3V Cap
Generic, MLC, 0603, 10μF/10V Cap
Generic, MLC, 0603, 4.7μF/6.3V Cap
Generic, MLC, 0402, 56pF/50V
Generic, 0402 Resistors
Quantity
1
1
1
3
1
1
1
6
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
202038A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • June 8, 2012
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