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MIC2225 Datasheet(PDF) 14 Page - Micrel Semiconductor

Part No. MIC2225
Description  2MHz 600mA Synchronous Buck Regulator with 300mA LDO
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Maker  MICREL [Micrel Semiconductor]
Homepage  http://www.micrel.com
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MIC2225 Datasheet(HTML) 14 Page - Micrel Semiconductor

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


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