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MIC5205-2.9BM5 Datasheet(PDF) 1 Page - Micrel Semiconductor |
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MIC5205-2.9BM5 Datasheet(HTML) 1 Page - Micrel Semiconductor |
1 / 10 page MIC5205 150mA Low-Noise LDO Regulator Xxxxx is a trademark of Micrel, Inc Xxxxx is a registered trademark of Micrel, 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 2006 M9999-020806 (408) 955-1690 General Description The MIC5205 is an efficient linear voltage regulator with ultra low-noise output, very low dropout voltage (typically 17mV at light loads and 165mV at 150mA), and very low ground current (600 ⎧A at 100mA output). The MIC5205 offers better than 1% initial accuracy. Designed especially for hand-held, battery-powered devices, the MIC5205 includes a CMOS or TTL compatible enable/shutdown control input. When shut down, power consumption drops nearly to zero. Regulator ground current increases only slightly in dropout, further prolonging battery life. Key MIC5205 features include a reference bypass pin to improve its already excellent low-noise performance, reversed-battery protection, current limiting, and overtemperature shutdown. The MIC5205 is available in fixed and adjustable output voltage versions in a small SOT-23-5 package. For low-dropout regulators that are stable with ceramic output capacitors, see the µCap MIC5245/6/7 family. Data sheets and support documentation can be found on Micrel’s web site at www.micrel.com. Features • Ultra-low-noise output • High output voltage accuracy • Guaranteed 150mA output • Low quiescent current • Low dropout voltage • Extremely tight load and line regulation • Very low temperature coefficient • Current and thermal limiting • Reverse-battery protection • “Zero” off-mode current • Logic-controlled electronic enable Applications • Cellular telephones • Laptop, notebook, and palmtop computers • Battery-powered equipment • PCMCIA VCC and VPP regulation/switching • Consumer/personal electronics • SMPS post-regulator/dc-to-dc modules • High-efficiency linear power supplies ___________________________________________________________________________________________________________ Typical Application Ultra-Low-Noise Regulator Application |
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