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| MIC23030 Datasheet, PDF (14/17 Pages) Micrel Semiconductor – 8MHz PWM 400mA Buck Regulator with HyperLight Load | |||
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Micrel Inc.
MIC23030 Typical Application Circuit (Adjustable 1.8V)
U1 MIC23030
J1
VIN
VIN
SW
J5
C1
EN
EN
J2
GND
PGND
SNS
FB
L1
R1
383k
R2
200k
J3
VOUT
C2
J4
GND
MIC23030
Bill of Materials
Item Part Number
C1, C2 C1608X5R0J475K
R1
CRCW06033833FT1
R2
CRCW06032003FT1
LQM21PNR47M00
LQH32CNR47M33
LQM31PNR47M00
L1
GLF251812T1R0M
MIPF2520D1R5
EPL2010-471
U1
MIC23030-AYMT
Notes:
1. TDK: www.tdk.com
2. Vishay: www.vishay.com
3. Murata: www.murata.com
4. FDK: www.fdk.co.jp
5. Coilcraft: www.coilcraft.com
6. Micrel, Inc.: www.micrel.com
Manufacturer Description
Qty.
TDK(1)
4.7µF Ceramic Capacitor, 6.3V, X5R, Size 0603
2
Vishay(2)
383kâ¦, 1%, Size 0603
1
Vishay(2)
200kâ¦, 1%, Size 0603
1
Murata(3)
0.47µH, 0.9A, 90mâ¦, L2mm x W1.25mm x H0.5mm
Murata(3)
0.47µH, 1.1A, 42mâ¦, L3.2mm x W2.5mm x H2.0mm
Murata(3)
0.47µH, 1.4A, 80mâ¦, L3.2mm x W1.6mm x H0.85mm
TDK(1)
1µH, 0.8A, 100mâ¦, L2.5mm x W1.8mm x H1.35mm
1
FDK(4)
1.5µH, 1.5A, 70mâ¦, L2.5mm x W2mm x H1.0mm
Coilcraft(5) 0.47µH, 1.6A, 40mâ¦, L2.0mm x W1.8mm x H1.0mm
Micrel, Inc.(6) 8MHz 400mA Buck Regulator with HyperLight Load⢠Mode
1
August 2008
14
M9999-082608-B
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