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| MIC23031_10 Datasheet, PDF (15/18 Pages) Micrel Semiconductor – 4MHz PWM 400mA Buck Regulator with HyperLight Load | |||
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Micrel, Inc.
MIC23031 Typical Application Circuit (Adjustable 1.8V)
VIN
EN
GND
U1 - MIC23031
1 VIN
C1
4 EN
SW 2
GND
6
SNS 3
FB 5
VOUT
L1
R1
C2
383k
R2
200k
GND
MIC23031
Bill of Materials
Item Part Number
C1, C2 C1608X5R0J475K
R1
CRCW06033833FT1
R2
CRCW06032003FT1
LQM21PN1R0M00
LQH32CN1R0M33
LQM31PN1R0M00
L1
GLF251812T1R0M
LQM31PNR47M00
MIPF2520D1R5
U1
MIC23031-AYMT
Notes:
1. TDK: www.tdk.com.
2. Vishay: www.vishay.com.
3. Murata: www.murata.com.
4. FDK: www.fdk.co.jp.
5. 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)
1µH, 0.8A, 190mâ¦, L2mm x W1.25mm x H0.5mm
Murata(3)
1µH, 1A, 60mâ¦, L3.2mm x W2.5mm x H2.0mm
Murata(3)
1µH, 1.2A, 120mâ¦, L3.2mm x W1.6mm x H0.95mm
TDK(1)
1µH, 0.8A, 100mâ¦, L2.5mm x W1.8mm x H1.35mm
1
Murata(3)
0.47µH, 1.4A, 80mâ¦, L3.2mm x W1.6mm x H0.85mm
FDK(4)
1.5µH, 1.5A, 70mâ¦, L2.5mm x W2mm x H1.0mm
Micrel, Inc.(5) 4MHz 400mA Buck Regulator with HyperLight Load⢠Mode
1
October 2010
15
M9999-102210-A
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