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| MIC23031 Datasheet, PDF (13/17 Pages) Micrel Semiconductor – 4MHz PWM 400mA Buck Regulator with Hyper Light Load™ | |||
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Micrel Inc.
MIC23031
MIC23031 Typical Application Circuit (Fixed 1.8V)
U1 MIC23031
VIN
2.7 to 5.5V 1
VIN
C1
SW 2
L1
EN
4 EN
SNS 3
GND
AGND PGND
5
6
VOUT
C2
GND
Bill of Materials
Item Part Number
C1, C2 C1608X5R0J475K
LQM21PN1R0M00
LQH32CN1R0M33
LQM31PN1R0M00
L1
GLF251812T1R0M
LQM31PNR47M00
MIPF2520D1R5
U1 MIC23031-xYMT
Notes:
1. TDK: www.tdk.com
2. Murata: www.murata.com
3. FDK: www.fdk.co.jp
4. Micrel, Inc.: www.micrel.com
Manufacturer Description
Qty.
TDK(1)
4.7µF Ceramic Capacitor, 6.3V, X5R, Size 0603
2
Murata(2)
1µH, 0.8A, 190mâ¦, L2mm x W1.25mm x H0.5mm
Murata(2)
1µH, 1A, 60mâ¦, L3.2mm x W2.5mm x H2.0mm
Murata(2)
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(2)
0.47µH, 1.4A, 80mâ¦, L3.2mm x W1.6mm x H0.85mm
FDK(3)
1.5µH, 1.5A, 70mâ¦, L2.5mm x W2mm x H1.0mm
Micrel, Inc.(4) 4MHz 400mA Buck Regulator with Hyper Light Load⢠Mode
1
May 2008
13
M9999-051608-A
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