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MIC2230-GF9YML

Description
1.8 A SWITCHING REGULATOR, 2875 kHz SWITCHING FREQ-MAX, PDSO12
CategoryPower/power management   
File Size1MB,18 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
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MIC2230-GF9YML Overview

1.8 A SWITCHING REGULATOR, 2875 kHz SWITCHING FREQ-MAX, PDSO12

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

MIC2230-GF9YML Related Products

MIC2230-GF9YML MIC2230 MIC2230-521YML MIC2230-G4YML MIC2230-GFHYML MIC2230-GSYML
Description 1.8 A SWITCHING REGULATOR, 2875 kHz SWITCHING FREQ-MAX, PDSO12 1.8 A SWITCHING REGULATOR, 2875 kHz SWITCHING FREQ-MAX, PDSO12 1.8 A SWITCHING REGULATOR, 2875 kHz SWITCHING FREQ-MAX, PDSO12 1.8 A SWITCHING REGULATOR, 2875 kHz SWITCHING FREQ-MAX, PDSO12 1.8 A SWITCHING REGULATOR, 2875 kHz SWITCHING FREQ-MAX, PDSO12 1.8 A SWITCHING REGULATOR, 2875 kHz SWITCHING FREQ-MAX, PDSO12
Maker - - Microchip Microchip Microchip Microchip
package instruction - - 3 X 3 MM, LEAD FREE, MLF-12 3 X 3 MM, LEAD FREE, MLF-12 HVSON, TDFN-12
Reach Compliance Code - - compli compli compli compli
ECCN code - - EAR99 EAR99 EAR99 EAR99
Other features - - ALSO OPERATES AT 1.65 V; ALSO HAS PFM CTRL TECHNIQUE ALSO OPERATES AT 1.2V; ALSO HAS PFM CTRL TECHNIQUE ALSO OPERATES AT 1.575V; ALSO HAS PFM CTRL TECHNIQUE 3.3V OUTPUT ALSO AVAILABLE
Analog Integrated Circuits - Other Types - - SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR
control mode - - CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE
Control Technology - - PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Maximum input voltage - - 5.5 V 5.5 V 5.5 V 5.5 V
Minimum input voltage - - 2.5 V 2.5 V 2.5 V 2.5 V
Nominal input voltage - - 3.6 V 3.6 V 3.6 V 3.6 V
JESD-30 code - - S-PDSO-N12 S-PDSO-N12 S-PDSO-N12 S-PDSO-N12
length - - 3 mm 3 mm 3 mm 3 mm
Number of functions - - 1 1 1 1
Number of terminals - - 12 12 12 12
Maximum operating temperature - - 125 °C 125 °C 125 °C 125 °C
Minimum operating temperature - - -40 °C -40 °C -40 °C -40 °C
Maximum output current - - 1.8 A 1.8 A 1.8 A 0.8 A
Nominal output voltage - - 1.28 V 1.8 V 1.8 V 1.8 V
Package body material - - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code - - HVSON HVSON HVSON HVSON
Package shape - - SQUARE SQUARE SQUARE SQUARE
Package form - - SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Certification status - - Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height - - 0.9 mm 0.9 mm 0.9 mm 0.9 mm
surface mount - - YES YES YES YES
Switch configuration - - BUCK BUCK BUCK BUCK
Maximum switching frequency - - 2875 kHz 2875 kHz 2875 kHz 2875 kHz
Temperature level - - AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE
Terminal form - - NO LEAD NO LEAD NO LEAD NO LEAD
Terminal pitch - - 0.5 mm 0.5 mm 0.5 mm 0.5 mm
Terminal location - - DUAL DUAL DUAL DUAL
width - - 3 mm 3 mm 3 mm 3 mm
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