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MIC5331-PPYMT Datasheet(PDF) 1 Page - Micrel Semiconductor |
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MIC5331-PPYMT Datasheet(HTML) 1 Page - Micrel Semiconductor |
1 / 10 page MIC5331 Micro-Power High Performance Dual 300mA ULDO™ ULDO is a trademark of Micrel, Inc. MLF and MicroLeadFrame 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 February 2008 M9999-021408-A General Description The MIC5331 is a tiny dual low quiescent current LDO ideal for applications that are power sensitive. The MIC5331 integrates two high performance, 300mA LDOs into a tiny 2mm x 2mm Thin MLF ® package, which occupies less PC board area than a single SOT-23 package. The MIC5331 is designed to reject input noise and provide low output noise with fast transient response to any load change quickly even though it is a low quiescent current part. This combination of PSRR, low noise and transient response along with low power consumption makes for a very high performance, yet general purpose product. The MIC5331 is a µCap design, operating with very small ceramic output capacitors, which reduces required board space and component cost; and it is available in fixed output voltages in the tiny 8-pin 2mm x 2mm Thin MLF ® leadless package. Data sheets and support documentation can be found on Micrel’s web site at: www.micrel.com. Features • 2.3V to 5.5V input voltage range • 300mA output current per LDO • Very low quiescent current: 25µA per LDO • High PSRR - >65dB on each LDO • Stable with 1µF ceramic output capacitors • Tiny 8-pin 2mm x 2mm Thin MLF® package • Ultra-low dropout voltage – 120mV @ 300mA • Low output voltage noise – 50µVrms • Thermal shutdown protection • Current limit protection Applications • Camera phones • Mobile phones • PDAs • GPS receivers • Portable devices ___________________________________________________________________________________________________________ Typical Application MIC5331-xxYMT I/O CORE Camera DSP VIN EN2 VOUT1 VOUT2 GND EN1 1µF VBAT 1µF 1µF Camera DSP Power Supply Circuit |
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