MIC4723 Datasheet, PDF (18/19 Pages) Micrel Semiconductor – 3A 2MHz Integrated Switch Buck Regulator

Micrel, Inc.
MIC4723 Schematic and BOM for 3A Output
MIC4723
Item
Part Number
Manufacturer
Description
Qty
C1a,C1b
C2012JB0J106K
TDK
GRM219R60J106KE19
Murata
10µF Ceramic Capacitor X5R 0805 6.3V
2
08056D106MAT
AVX
C2
0402ZD104MAT
AVX
0.1µF Ceramic Capacitor X5R 0402 10V
1
C3
C2012JB0J475K
TDK
GRM188R60J475KE19
Murata
4.7µF Ceramic Capacitor X5R 0603 6.3V
1
06036D475MAT
AVX
C4
VJ0403A820KXAA
Vishay VT
82pF Ceramic Capacitor 0402
1
D1
SSA33L
Vishay Semi
3A Schottky 30V SMA
1
L1
RLF7030-1R0N6R4
TDK
1µH Inductor 8.8mΩ 7.1mm(L) x 6.8mm (W)x 3.2mm(H)
1
744 778 9001
Wurth Elektronik
1µH Inductor 12mΩ 7.3mm(L)x7.3mm(W)x3.2mm(H)
1
IHLP2525AH-01 1
Vishay Dale
1µH Inductor 17.5mΩ 6.47mm(L)x6.86mm(W)x1.8mm(H)
1
R1,R4
CRCW04021002F
Vishay Dale
10KΩ1% 0402 resistor
1
R2
CRCW04026651F
6.65kΩ 1% 0402 For 2.5V_OUT
CRCW04021242F
12.4kΩ 1% 0402 For 1.8 V_OUT
Vishay Dale
CRCW04022002F
20kΩ 1% 0402 For 1.5 V_OUT
1
CRCW04024022F
40.2kΩ 1% 0402 For 1.2 V_OUT
Open
For 1.0 V_OUT
R3
CRCW040210R0F
Vishay Dale
10Ω1% 0402 resistor
1
U1
MIC4723BML
Micrel, Inc.
3A 2MHz Integrated Switch Buck Regulator
1
Notes:
1. TDK: www.tdk.com
2. Murata: www.murata.com
3. AVX: www.avx.com
4. Vishay: www.vishay.com
5. Wurth Elektronik: www.we-online.com
6. Micrel, Inc: www.micrel.com
May 2007
18
M9999-052307-A