MIC2224 Datasheet, PDF(12/13 Page) Micrel Semiconductor – High Efficiency 2MHz PWM Buck Converter with DAC Input and 40mOHM Bypass Switch

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MIC2224 Datasheet, PDF (12/13 Pages) Micrel Semiconductor – High Efficiency 2MHz PWM Buck Converter with DAC Input and 40mOHM Bypass Switch

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Micrel

Bill of Materials

VIN 2.7V to 5.5V

1ÂµF

DAC

MIC2224

4.7ÂµH

2, 3

VIN

AVIN

8, 9

VOUT

ENABLE

1ÂµF

DAC

GND

AGND PGND

VOUT

GND

MIC2224

Ref Part Number

Description

Manufacturer

Qty

C1,C2 06036D105MAT2

1uF Ceramic Capacitor X5R, 6.3V 0603

AVX

C1608X5R0J105K

1uF Ceramic Capacitor X5R, 6.3V 0603

TDK

GRM185R60J105KE21D 1uF Ceramic Capacitor X5R, 6.3V 0603

Murata

L1 LQH32CN4R7M53K

4.7uH 3.2mmx2.5mmx1.55mm

Murata

CDRH2D14-4R7

4.7uH Inductor 94mOhm 3.2mmx3.2mmx1.55mm Sumida

GLF201208T4R7M(1)

4.7uH Inductor 660mOhm(1)

TDK(1)

1(1)

U1 MIC2224YML

2MHz Dynamically Controlled PWM Regulator

Micrel Semiconductor

Notes:

1. For maximum load currents less than 200mA

January 2005

M9999-012705

www.micrel.com

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