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MIC5399-GPYMX Datasheet(PDF) 1 Page - Micrel Semiconductor |
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MIC5399-GPYMX Datasheet(HTML) 1 Page - Micrel Semiconductor |
1 / 2 page MIC5396/7/8/9 Low-Power Dual 300mA LDO Revision 1.1 Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 ( 408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com January 14, 2013 Revision 1.1 General Description The MIC5396/7/8/9 is an advanced dual LDO ideal for powering general purpose portable devices. The MIC5396/7/8/9 provides two high-performance, independent 300mA LDOs in a single package. This makes it possible to improve system efficiency by providing two independent supply inputs that can be optimized for each individual LDO. The MIC5396/7/8/9 also features a wide output voltage range down to 1.0V. Its full feature set and low dropout voltage make it ideal for battery-powered applications. The MIC5396/7/8/9 offers 2% accuracy, low dropout voltage (160mV at 300mA), and low ground current (typically 42 μA per LDO at full load). The MIC5396/7/8/9 can also be put into a zero off mode current state, drawing virtually no current when disabled. When the MIC5397/9 is disabled an internal resistive load is automatically applied to the output to discharge the output capacitor. In addition, the MIC5398/9 offers an internal enable pull-down resistor to ensure that the output is disabled when the enable is in tri-state mode. These LDO’s also offer fast transient response and high PSRR while consuming a minimum operating current. The family is available in a tiny 8-pin, 1.2mm x 1.6mm leadless Extra Thin DFN package. Data sheets and support documentation can be found on Micrel’s web site at www.micrel.com. Features • 2.5V to 5.5V input voltage range • Independent power inputs • Output voltage range from 1V to 3.3V • Two 300mA outputs • High output accuracy (±2%) • Low quiescent current – 37µA typical/LDO • Stable with 1µF ceramic output capacitors • Low dropout voltage (160mV at 300mA) • Independent enable pins • Internal enable pull-down (MIC5398, MIC5399) • Output discharge circuit (MIC5397, MIC5399) • Thermal-shutdown protection • Current-limit protection • 8-pin 1.2mm x 1.6mm Extra Thin DFN package Applications • Smart phones • DSC, GPS, PMP and PDAs • Medical devices • Portable electronics • 5V systems ___________________________________________________________________________________________________________ Typical Application |
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