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MIC5219-3.3BML Datasheet(PDF) 1 Page - Micrel Semiconductor |
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MIC5219-3.3BML Datasheet(HTML) 1 Page - Micrel Semiconductor |
1 / 14 page June 2009 1 M0371-061809 Micrel, Inc. MIC5219 Typical Applications MIC5219 500mA-Peak Output LDO Regulator General Description The MIC5219 is an efficient linear voltage regulator with high peak output current capability, very-low-dropout voltage, and better than 1% output voltage accuracy. Dropout is typically 10mV at light loads and less than 500mV at full load. The MIC5219 is designed to provide a peak output current for start-up conditions where higher inrush current is demanded. It features a 500mA peak output rating. Continuous output current is limited only by package and layout. The MIC5219 can be enabled or shut down by a CMOS or TTL compatible signal. When disabled, power consumption drops nearly to zero. Dropout ground current is minimized to help prolong battery life. Other key features include reversed- batteryprotection,currentlimiting,overtemperatureshutdown, and low noise performance with an ultra-low-noise option. The MIC5219 is available in adjustable or fixed output volt- ages in the space-saving 6-pin (2mm × 2mm) MLF®, 6-pin (2mm × 2mm) Thin MLF® SOT-23-5 and MM8® 8-pin power MSOP packages. For higher power requirements see the MIC5209 or MIC5237. All support documentation can be found on Micrel’s web site at www.micrel.com. Features • 500mA output current capability SOT-23-5 package - 500mA peak 2mm×2mm MLF® package - 500mA continuous 2mm×2mm Thin MLF® package - 500mA continuous MSOP-8 package - 500mA continuous • Low 500mV maximum dropout voltage at full load • Extremely tight load and line regulation • Tiny SOT-23-5 and MM8™ power MSOP-8 package • Ultra-low-noise output • Low temperature coefficient • Current and thermal limiting • Reversed-battery protection • CMOS/TTL-compatible enable/shutdown control • Near-zero shutdown current Applications • Laptop, notebook, and palmtop computers • Cellular telephones and battery-powered equipment • Consumer and personal electronics • PC Card VCC and VPP regulation and switching • SMPS post-regulator/DC-to-DC modules • High-efficiency linear power supplies 1 2 3 4 8 7 6 5 MIC5219-5.0BMM 2.2µF tantalum VOUT5V VIN6V ENABLE SHUTDOWN 470pF 5V Ultra-Low-Noise Regulator 1 5 2 3 4 2.2µF tantalum 470pF VOUT3.3V MIC5219-3.3BM5 VIN4V ENABLE SHUTDOWN 3.3V Ultra-Low-Noise Regulator Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com MM8 is a registered trademark of Micrel, Inc. MicroLeadFrame and MLF are registered trademarks of Amkor Technology, Inc.. ENABLE SHUTDOWN MIC5219-x.xYML 1 EN 6 CBYP (optional) VIN VOUT COUT 5 4 2 3 Ultra-Low-Noise Regulator (Fixed) ENABLE SHUTDOWN MIC5219YMT 1 EN 6 470pF VIN VOUT 2.2µF 5 4 2 3 R1 R2 + Ultra-Low-Noise Regulator (Adjustable) |
Similar Part No. - MIC5219-3.3BML |
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Similar Description - MIC5219-3.3BML |
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