MIC5375/6/7/8: High Performance Low Dropout 150mA LDO - Micrel - #1

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MIC5375/6/7/8 High Performance Low Dropout 150mA LDO 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 January 2009 M9999-011309-B General Description The MIC5375/6/7/8 is an advanced general purpose linear regulator offering low dropout in an ultra small package. The MIC5375/6 provides fixed output voltage in a 1mm x 1mm Thin MLF® package while the MIC5377/8 provides adjustable output voltage in a 1.2mm x 1.2mm Thin MLF® package. When the MIC5376/8 is disabled an internal resistive load is automatically applied to the output to discharge the output capacitor. The MIC5375/6/7/8 is capable of sourcing 150mA output current with low dropout making it an ideal solution for any portable electronic application. Ideal for battery powered applications, the MIC5375/6/7/8 offers 2% initial accuracy, low dropout voltage (120mV at 150mA), and ground current (typically 29ìA). The MIC5375/6/7/8 can also be put into a zero-off-mode current state, drawing virtually no current when disabled. The MIC5375/6 is available in lead-free (RoHS compliant) 1mm x 1mm Thin MLF® and SC-70-5. The MIC5377/8 is available in lead-free (RoHS compliant) 1.2mm x 1.2mm Thin MLF® and SC-70-5. The MIC5375/6/7/8 has an operating junction temperature range of –40°C to 125°C. Data sheets and support documentation can be found on Micrel’s web site at www.micrel.com. Features • 4-pin 1mm x 1mm Thin MLF® package– MIC5375/6 • 8-pin 1.2mm x 1.2mm Thin MLF® package– MIC5377/8 • Low cost 5-Pin SC-70 package • Low dropout voltage – 120mV at 150mA • Input voltage range: 2.5V to 5.5V • 150mA guaranteed output current • Stable with 0402 ceramic capacitors as low as 1ìF • Low quiescent current – 29ìA • Excellent load/line transient response • Fixed output voltages – MIC5375/6 • Adjustable output – MIC5377/8 • Output discharge circuit – MIC5376/8 • High output accuracy – ±2% initial accuracy • Thermal shutdown and current limit protection Applications • Mobile phones • Digital cameras • GPS, PDAs, PMP, handhelds • Portable electronics ___________________________________________________________________________________________________________ Typical Application VIN VOUT VBAT GND MIC5375/6-xxYMT 1ìF EN 1ìF VOUT = 2.8V Typical Application