MIC5305 150mA Cap Ultra-Low Dropout LDO Regulator General Description Features The MIC5305 is a high-performance, 150mA LDO regula- Ultra-low dropout voltage of 60mV 150mA tor, offering extremely high PSRR and very low noise while Input voltage range: 2.25 to 5.5V consuming low ground current. Stable with ceramic output capacitor Ideal for battery-operated applications, the MIC5305 150mA guaranteed output current features 1% accuracy, extremely low-dropout voltage Low output noise 20Vrms (60mV 150mA), and low ground current at light load Low quiescent current of 90A total (typically 90A). Equipped with a logic-compatible enable High PSRR, up to 85dB 1kHz pin, the MIC5305 can be put into a zero-off-mode current Less than 30s turn-on time w/C = 0.01F BYP state, drawing no current when disabled. High output accuracy: The MIC5305 is a Cap design operating with very small 1.0% initial accuracy ceramic output capacitors for stability, thereby reducing 2.0% over temperature required board space and component cost. Thermal shutdown protection Current limit protection The MIC5305 is available in xed output voltages and Tiny 6-pin 2mm 2mm MLF package adjustable output voltages in the super-compact 6-pin Ultra-Thin 6-pin 2mm 2mm Thin MLF package 2mm 2mm MLF leadless package, our new ultra-thin 6-pin 2mm 2mm Thin MLF and thin SOT-23-5 package. Thin SOT-23-5 package Additional voltage options are available. Contact Micrel Applications marketing. Cellular phones Data sheets and support documentation can be found on Micrels web site at www.micrel.com. PDAs Fiber optic modules Portable electronics Notebook PCs Audio Codec power supplies Typical Application Dropout Voltage 70 60 50 40 30 20 MIC5305 10 3.0V 2.85V 150mA VIN VOUT 0 V V IN OUT 0 20 40 60 80 100 120 140 OUTPUT CURRENT (mA) 1F EN BYP 0.1F 1F PSRR (Bypass Pin Cap = 0.1F) GND 100 150mA 90 80 70 60 50mA 50 100A 40 30 20 10 0 0.1 1 10 100 1k FREQUENCY (kHz) 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 Micrel, Inc. MIC5305 Ordering Information Part Number Marking Junction Voltage Package (1) Temp. Range Standard Pb-Free Standard Pb-Free* MIC5305-1.5BML MIC5305-1.5YML 815 815 1.5V 40C to +125C 6-Pin 2x2 MLF MIC5305-1.8BML MIC5305-1.8YML 818 818 1.8V 40C to +125C 6-Pin 2x2 MLF MIC5305-2.0YML 820 2.0V 40C to +125C 6-Pin 2x2 MLF MIC5305-2.5BML MIC5305-2.5YML 825 825 2.5V 40C to +125C 6-Pin 2x2 MLF MIC5305-2.6BML MIC5305-2.6YML 826 826 2.6V 40C to +125C 6-Pin 2x2 MLF MIC5305-2.7BML MIC5305-2.7YML 827 827 2.7V 40C to +125C 6-Pin 2x2 MLF MIC5305-2.8BML MIC5305-2.8YML 828 828 2.8V 40C to +125C 6-Pin 2x2 MLF MIC5305-2.85BML MIC5305-2.85YML 82J 82J 2.85V 40C to +125C 6-Pin 2x2 MLF MIC5305-2.9BML MIC5305-2.9YML 829 829 2.9V 40C to +125C 6-Pin 2x2 MLF MIC5305-3.0BML MIC5305-3.0YML 830 830 3.0V 40C to +125C 6-Pin 2x2 MLF MIC5305-3.3BML MIC5305-3.3YML 833 833 3.3V 40C to +125C 6-Pin 2x2 MLF MIC5305-4.75BML MIC5305-4.75YML 84H 84H 4.75V 40C to +125C 6-Pin 2x2 MLF MIC5305BML MIC5305YML 8AA 8AA ADJ 40C to +125C 6-Pin 2x2 MLF MIC5305-2.8YMT 828** 2.8V 40C to +125C 6-Pin 2x2 Thin MLF MIC5305-4.6YMT 846** 4.6V 40C to +125C 6-Pin 2x2 Thin MLF MIC5305-1.5BD5 MIC5305-1.5YD5 N815 N815 1.5V 40C to +125C Thin SOT23-5 MIC5305-1.8BD5 MIC5305-1.8YD5 N818 N818 1.8V 40C to +125C Thin SOT23-5 MIC5305-2.5BD5 MIC5305-2.5YD5 N825 N825 2.5V 40C to +125C Thin SOT23-5 MIC5305-2.6BD5 MIC5305-2.6YD5 N826 N826 2.6V 40C to +125C Thin SOT23-5 MIC5305-2.7BD5 MIC5305-2.7YD5 N827 N827 2.7V 40C to +125C Thin SOT23-5 MIC5305-2.8BD5 MIC5305-2.8YD5 N828 N828 2.8V 40C to +125C Thin SOT23-5 MIC5305-2.85BD5 MIC5305-2.85YD5 N82J N82J 2.85V 40C to +125C Thin SOT23-5 MIC5305-2.9BD5 MIC5305-2.9YD5 N829 N829 2.9V 40C to +125C Thin SOT23-5 MIC5305-3.0BD5 MIC5305-3.0YD5 N830 N830 3.0V 40C to +125C Thin SOT23-5 MIC5305-3.3BD5 MIC5305-3.3YD5 N833 N833 3.3V 40C to +125C Thin SOT23-5 MIC5305-4.75BD5 MIC5305-4.75YD5 N84H N84H 4.75V 40C to +125C Thin SOT23-5 Note: 1. For other output voltage options, contact Micrel marketing. * Underbar/Overbar symbols may not be to scale. ** Pin 1 identifier for 2x2 Thin MLF is symbol. M9999-062507 June 2007 2