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| MIC2225_08 Datasheet, PDF (14/15 Pages) Micrel Semiconductor – 2MHz 600mA Synchronous Buck Regulator with 300mA LDO | |||
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Micrel, Inc.
MIC2225
J1
VIN
5.5V Max
JP1
1X2
J7
ENLDO
R2
10k
J2
GND
R1
10k
J6
EN
C1
2.2µF/
6.3V
C2
0.1µF/
6.3V
MIC2225
L1
0.47µH / 2.2µH
8 VIN
4 AVIN
SW 9
FB 5
R3
0
6 EN
7 ENLDO
3 BIAS
LDO 2
PGND AGND
10
1
C3
2.2µF/
6.3V
J3
VO1
C4
2.2µF/
6.3V
J4
VO2
J5
GND
Schematic Diagram
Bill of Materials
Item
C1
C2
C3
C4
R1
R2
R3
L1
U1
Part Number
C1608X5R0J225K
VJ0402Y104KXQCW1BC
C1608X5R0J225K
C1608X5R0J225K
CRCW06031002FKEYE3
CRCW06031002FKEYE3
CRCW08050000FKEYE3
CDRH2D11/HPNP-2R2NC
MIC2225-XYMT
Manufacturer
TDK(1)
Vishay Vitramon(2)
TDK(1)
TDK(1)
Vishay Dale(2)
Vishay Dale(2)
Vishay Dale(2)
Sumida(3)
Micrel, Inc.(4)
Notes:
1. TDK: www.tdk.com
2. Vishay: www.vishay.com
3. Sumida: www.sumida.com
4. Micrel, Inc.: www.micrel.com
Description
2.2µF/6.3V, X5R
0.1µF/6.3V, X7R
2.2µF/6.3V, X5R
2.2µF/6.3V, X5R
10k, 0603, 1/16W, 1%
10k, 0603, 1/16W, 1%
0, 0805, 1/8W, 1%
2.2µH, 1.1A (Isat)
2Mhz PWM Synchronous Buck Regulator
with 300mA LDO
Qty.
1
1
1
1
1
1
1
1
1
February 2008
14
M9999-022008-D
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