MIC2238 Datasheet, PDF (14/16 Pages) Micrel Semiconductor – Dual Synchronous 800mA/800mA Step-Down DC/DC Regulator

Micrel, Inc.
MIC2238 Adjustable Option (1.8V, 1.8V)
MIC2238
Bill of Materials
Item
Part Number
Manufacturer
Description
Qty
C1
C1608X5R0J106K
TDK
10µF Ceramic Capacitor, 6.3V, X5R, Size 0603
1
C2
C1005X5R0J105K
TDK
1µF Ceramic Capacitor, 6.3V, X5R, Size 0402
1
C3
C0603Y391KXXA
Vishay
390pF Ceramic Capacitor, 25V, X7R, Size 0603
1
C4, C7
0603ZD225MAT
AVX
2.2µF Ceramic Capacitor, 6.3V, X5R,. Size 0603
2
C5, C6
L1, L2
R2, R4
R1, R3
VJ0603A220KXXAT
CDRH2D11/HPNP-2R2NC
LQH43CN2R2M03
CRCW06034423FT1
CRCW06035493FT1
Vishay
22pF Ceramic Capacitor, 25V, NPO, Size 0603
2
Sumida
Murata
2.2µH, 1.1A ISAT., 120mΩ, (1.2mm × 3.2mm × 3.2mm)
2.2µH, 900mA ISAT., 110mΩ, (2.6mm × 3.2mm × 4.5mm)
2
Vishay
442kΩ, 1%, Size 0603
2
Vishay
549kΩ, 1%, Size 0603
2
U1
MIC2238-AAYML
Micrel
2.5MHz Dual Phase PWM Buck Regulator
1
1. TDK: www.tdk.com
2. Murata: www.murata.com
3. Sumida: www.sumida.com
4. Vishay-Dale: www.vishay.com
5. AVX: www.avx.com
6. Micrel, Inc: www.micrel.com
July 2007
14
M9999-071307