PRODUCT DATASHEET
AAT2113A
TM
SwitchReg
3MHz, FastTransient 1.5A Step-Down Converter in 2mm x 2mm Package
VIN
2.7V–5.5V
VOUT
1.2V/1.5A
U1
L1
8
7
4
1
2
6
VP
EN
LX
LX
0.47μH
R1
C2
22pF
EN
200k
C3
10μF
AAT2113A
C1
4.7μF
3
5
VCC
FB
C4
1μF
R2
200k
AGND
PGND
U1
AAT2113AIXS-0.6-T1 AnalogicTech, 3MHz Fast Transient, 1.5A Step-Down Converter, FTDFN22-8, 2x2mm
GRM188R60J475KE19D, Murata, Cap, MLC, 4.7μF/6.3V, 0603 (HMAX = 0.8mm)
Optional, 22pF, 0201
C1
C2
L1
LQM2HPNR47MGO, Murata, 0.47ꢀH, ISAT =1.8A, DCR = 0.04Ω, 2.5 x 2 x 1mm, shielded chip inductor
Carbon film resistor, 200kΩ, 1%, 0201
R1, R2
C3
GRM188R60J106ME47D, Murata, Cap, MLC, 10μF/6.3V, 0603 (HMAX = 0.8mm)
GRM155R60J105KE19D, Murata, Cap, MLC, 1μF/6.3V, 0402
C4
Figure 5: AAT2113A Evaluation Board Schematic For Adjustable Output Voltage Version.
Figure 6: AAT2113A Evaluation Board
Top Side Layout for Adjustable
Output Voltage Version.
Figure 7: AAT2113A Evaluation Board
Bottom Side Layout for Adjustable
Output Voltage Version.
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2113A.2009.06.1.1
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