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MIC2230-AAYML TR

Description
voltage regulators - switching regulators high efficiency dual 800/800mA buck switcher with fast transient
Categorysemiconductor    Other integrated circuit (IC)   
File Size1MB,18 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Environmental Compliance  
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MIC2230-AAYML TR Overview

voltage regulators - switching regulators high efficiency dual 800/800mA buck switcher with fast transient

MIC2230-AAYML TR Parametric

Parameter NameAttribute value
ManufactureMicrel
Product CategoryVoltage Regulators - Switching Regulators
RoHSYes
PackagingReel
Factory Pack Quantity5000
MIC2230
Dual Synchronous 800mA/800mA
Step-Down DC/DC Regulator
General Description
The MIC2230 is dual output, high-efficiency synchronous
step-down DC/DC converter. The MIC2230 is ideally
suited for portable systems which demand high power
conversion efficiencies and fast transient performance,
while offered in a very small package. The MIC2230 offers
an ultra-low quiescent current in light load mode assuring
minimum current draw from battery powered applications
in standby modes. The MIC2230 was designed to only
require miniature 2.2µH inductors and 10µF ceramic
capacitors.
The MIC2230 features a selectable mode that allows the
user to trade-off lowest noise performance for low power
efficiency. Trickle Mode
TM
operation provides ultra-high
efficiency at light loads, while PWM operation provides
very low ripple noise performance. To maximize battery life
in low-dropout conditions, MIC2230 can operate with a
maximum duty cycle of 100%.
The MIC2230 is available in a space-saving 3mm × 3mm
MLF
®
-12L package with a junction temperature range from
–40°C to +125°C.
Data sheets and support documentation can be found on
Micrel’s web site at www.micrel.com.
Features
High Efficiency: Over 96%
Ultra-low quiescent current: Only 28µA
Ultra-low shutdown current less than 1µA
Fast transient performance
2.5MHz PWM operation
High output current capability per channel: 800mA
No Schottky Diodes Required
Stable with 2.2µH inductor, 10µF ceramic capacitor
Adjustable output voltage down to 0.8V
Built-in soft-start circuitry
Current limit protection
Automatic switching into light load mode operation
/FPWM pin allows low noise all-PWM mode operation
Power good output with internal 5µA current source
allows sequencing with programmable delay time
Small Thermally Enhanced 3mm × 3mm MLF
®
package
Applications
Cellular phones
PDAs
Digital Cameras
MP3 Players
PC Cards
Wireless and DSL Modems
___________________________________________________________________________________________________________
Typical Application
MLF and
MicroLead
Frame are registered trademarks of Amkor Technology, Inc.
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (
408
) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
April 2010
M9999-040810-C

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Description voltage regulators - switching regulators high efficiency dual 800/800mA buck switcher with fast transient voltage regulators - switching regulators high efficiency dual 800/800mA buck switcher with fast transient voltage regulators - switching regulators high efficiency dual 800/800mA buck switcher with fast transient voltage regulators - switching regulators high efficiency dual 800/800mA buck switcher with fast transient voltage regulators - switching regulators high efficiency dual 800/800mA buck switcher with fast transient voltage regulators - switching regulators high efficiency dual 800/800mA buck switcher with fast transient voltage regulators - switching regulators high efficiency dual 800/800mA buck switcher with fast transient 1.8A SWITCHING REGULATOR, 2875kHz SWITCHING FREQ-MAX, PDSO12, 3 X 3 MM, LEAD FREE, MLF-12
Manufacture Micrel Micrel Micrel Micrel Micrel Micrel - -
Product Category Voltage Regulators - Switching Regulators Voltage Regulators - Switching Regulators Voltage Regulators - Switching Regulators Voltage Regulators - Switching Regulators Voltage Regulators - Switching Regulators Voltage Regulators - Switching Regulators - -
RoHS Yes Yes Yes Yes Yes Yes - -
Packaging Reel Reel Reel Reel Reel Reel - -
Factory Pack Quantity 5000 5000 5000 5000 5000 5000 - -
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