AAT2612 Datasheet, PDF (16/18 Pages) Skyworks Solutions Inc. – Step-Down DC/DC Converter With Three High PSRR LDOs

DATA SHEET
AAT2612
Step-Down DC/DC Converter With Three High PSRR LDOs
Component
U1
C1, C2
C3
C8
C4, C5, C6, C7
L1
R1, R2
Part Number
AAT2612
GRM188R71A225KE15
GRM188R60J475KE19
GRM188R60J106ME47
GRM188R71C105KA12
LQH3NPN2R2MM0
RC0603FR-0759KL
Description
Step-Down DC/DC Converter with Three High PSRR LDOs
Cap Ceramic 2.2μF 0603 X7R 10V 10%
Cap Ceramic 4.7μF 0603 X5R 6.3V 10%
Cap Ceramic 10μF 0603 X5R 6.3V 10%
Cap Ceramic 1μF 0603 X7R 6.3V 10%
2.2μH, 73mΩ, 1.25A, 20%
Res, 59kΩ, 1/10W, 1%, 0603, SMD
Table 2: AAT2612IDG Evaluation Board Bill of Materials (BOM).
Manufacturer
Skyworks
Murata
Yageo
Manufacturer
Murata
Coilcraft
Part Number
LQH3NP2R2NG0
LQH3NP3R3NG0
LQH3NP4R7NG0
LPA3015-222MLC
LPA3015-332MLC
LPA3015-472MLC
L (μH)
2.2
3.3
4.7
2.2
3.3
4.7
Max DCR (mΩ)
140
180
260
110
130
200
Saturation Current (A)
1.27
0.85
0.8
1.1
1.1
0.9
Size WxLxH (mm)
3.0x3.0x0.9
3.1x3.1x1.5
Table 3: Surface Mount Inductors.
Manufacturer
Murata
AVX
KEMET
Part Number
GRM188R70J105K
GRM188R70J106K
GRM188R71A225K
GRM188R71A475K
06036C105KAT
06036C106KAT
0603ZC225KAT
0603ZC475KAT
C0603C105K9RAC
C0603C106K9RAC
C0603C225K8RAC
C0603C475K8RAC
Value (μF)
1
10
2.2
4.7
1
10
2.2
4.7
1
10
2.2
4.7
Voltage (V)
6.3
6.3
10
10
6.3
6.3
10
10
6.3
6.3
10
10
Table 4: Surface Mount Capacitors.
Tolerance
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
Temp.
Co.
X7R
X7R
X7R
X7R
X7R
X7R
X7R
X7R
X7R
X7R
X7R
X7R
Case
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
16
202407B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 20, 2013