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MIC24085AYML

Description
Switching Regulator
CategoryPower/power management    The power supply circuit   
File Size2MB,16 Pages
ManufacturerMicrel ( Microchip )
Websitehttps://www.microchip.com
Environmental Compliance
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MIC24085AYML Overview

Switching Regulator

MIC24085AYML Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerMicrel ( Microchip )
package instruction,
Reach Compliance Codecompli
ECCN codeEAR99
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
Humidity sensitivity level1
MIC24085
18V, 3A, 1MHz, High-Performance,
Integrated FET Buck Regulator
in Tiny 3mm × 3mm QFN
General Description
Micrel’s MIC24085 is a constant-frequency, current-mode
PWM buck regulator with integrated switchers. The
MIC24085 is targeted for cost-sensitive and high-
performance applications.
The MIC24085 operates over a supply range of 4.5V to
18V at a fixed 1MHz switching frequency and can be used
to provide up to 3A of output current. The output voltage is
adjustable down to 0.9V.
The MIC24085 provides the features of low standby
current at 10µA, device enable, input undervoltage lockout,
and output voltage monitoring. The part also provides fault
protections of overcurrent and overtemperature.
The MIC24085 is available in a 16-pin 3mm × 3mm QFN
package with a junction operating range from –40°C to
+125°C.
Datasheets and support documentation are available on
Micrel’s web site at:
www.micrel.com.
Features
Input voltage range 4.5V to 18V
3A output current
1MHz switching frequency
0.9V reference voltage with ±1.5% accuracy
Fixed output voltages are available at:
1.5V/1.8V/2.5V/3.3V/5V
Peak current-mode PWM with internal compensation
PFM mode for light load efficiency
10µA typical shutdown current
4ms internal soft start
Cycle-by-cycle current limit with frequency foldback
Output overvoltage protection
Enable input/power-good (PG) output
Thermal-shutdown protection
–40°C to +125°C junction temperature range
Available in 16-pin 3mm × 3mm QFN package
Applications
Camera, set-top box, gateways, and routers
Networking/telecom infrastructure
Printers, scanners, graphic cards, and video cards
Typical Applications
Micrel Inc. • 2180 Fortune Drive •
San
Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 •
http://www.micrel.com
October 22, 2013
Revision 1.1

MIC24085AYML Related Products

MIC24085AYML MIC24085EYML MIC24085FYML MIC24085DYML
Description Switching Regulator Switching Regulator Switching Regulator Switching Regulator
Is it Rohs certified? conform to conform to conform to conform to
Maker Micrel ( Microchip ) Micrel ( Microchip ) Micrel ( Microchip ) Micrel ( Microchip )
Reach Compliance Code compli compliant compliant compliant
ECCN code EAR99 EAR99 EAR99 EAR99
Analog Integrated Circuits - Other Types SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR
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