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MIC2212-GSYML Datasheet(PDF) 1 Page - Micrel Semiconductor |
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MIC2212-GSYML Datasheet(HTML) 1 Page - Micrel Semiconductor |
1 / 10 page February 2006 1 M9999-022106 MIC2212 Micrel, Inc. MIC2212 Dual µCap LDO and Power-On Reset General Description The MIC2212 is a dual µCap low dropout regulator with power-onresetcircuit.Thefirstregulatoriscapableofsourcing 150mA, while the second regulator can source up to 300mA and includes a power-on reset function. Idealforbatteryoperatedapplications,theMIC2212offers1% accuracy, extremely low dropout voltage (80mV @ 100mA), and extremely low ground current, only 48µAtotal. Equipped with TTL-logic-compatible enable pins, the MIC2212 can be put into a zero-off-mode current state, drawing no current when disabled. The MIC2212 is a µCap design, operating with very small ceramic output capacitors for stability, reducing required board space and component cost. The MIC2212 is available in fixed output voltages in the 10-pin 3mm × 3mm MLF™ leadless package. Typical Application VIN EN1 EN2 CBYP SET Baseband µProcessor VOUT1 VI/O VOUT2 POR VCORE /RST GND MIC2212-xxBML COUT = 1µF Ceramic Sets del ay for POR Li-Ion Battery MIC2212 Typical Cell Phone Application Features • Input voltage range: 2.25V to 5.5V • Stable with ceramic output capacitor • 2 LDO outputs • Output 1 – 150mA output current • Output 2 – 300mA output current • Power-on reset function with adjustable delay time • Low dropout voltage of 80mV @ 100mA • Ultra-low quiescent current of 48µA • High output accuracy: • +1.0% initial accuracy • +2.0% over temperature • Thermal shutdown protection • Current limit protection • Tiny 10-pin 3mm × 3mm MLF™ package Applications • Cellular/PCS phones • Wireless modems • PDAs Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com MicroLeadFrame and MLF are trademarks of Amkor Technology. |
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