MIC5331-NNYMT-TR Microchip

MIC5331 Micro-Power High Performance Dual 300mA ULDO General Description Features The MIC5331 is a tiny dual low quiescent current LDO 2.3V to 5.5V input voltage range ideal for applications that are power sensitive. The 300mA output current per LDO MIC5331 integrates two high performance, 300mA LDOs Very low quiescent current: 25A per LDO into a tiny 2mm x 2mm Thin MLF package, which High PSRR - >65dB on each LDO occupies less PC board area than a single SOT-23 package. Stable with 1F ceramic output capacitors The MIC5331 is designed to reject input noise and provide Tiny 8-pin 2mm x 2mm Thin MLF package low output noise with fast transient response to any load Ultra-low dropout voltage 120mV @ 300mA change quickly even though it is a low quiescent current Low output voltage noise 50Vrms part. This combination of PSRR, low noise and transient Thermal shutdown protection response along with low power consumption makes for a Current limit protection very high performance, yet general purpose product. The MIC5331 is a Cap design, operating with very small ceramic output capacitors, which reduces required board Applications space and component cost; and it is available in fixed Camera phones output voltages in the tiny 8-pin 2mm x 2mm Thin MLF leadless package. Mobile phones Data sheets and support documentation can be found on PDAs Micrels web site at: www.micrel.com. GPS receivers Portable devices ___________________________________________________________________________________________________________ Typical Application MIC5331-xxYMT VOUT1 VIN I/O CORE EN1 VOUT2 VBAT EN2 Camera DSP 1F 1F 1F GND Camera DSP Power Supply Circuit ULDO is a trademark of Micrel, Inc. 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. MIC5331 Ordering Information Manufacturing Junction Part Number Marking Voltage Package Part Number Temperature Range MIC5331-1.8/1.2YMT MIC5331-G4YMT UG4 1.8V/1.2V 40 to +125C 8-Pin 2mm x 2mm Thin MLF MIC5331-2.5/1.2YMT MIC5331-J4YMT UJ4 2.5V/1.2V 40 to +125C 8-Pin 2mm x 2mm Thin MLF MIC5331-2.8/2.8YMT MIC5331-MMYMT UMM 2.8V/2.8V 40 to +125C 8-Pin 2mm x 2mm Thin MLF MIC5331-2.8/2.85YMT MIC5331-MNYMT UMN 2.8V/2.85V 40 to +125C 8-Pin 2mm x 2mm Thin MLF MIC5331-2.85/2.85YMT MIC5331-NNYMT UNN 2.85V/2.85V 40 to +125C 8-Pin 2mm x 2mm Thin MLF MIC5331-3.0/2.8YMT MIC5331-PMYMT UPM 3.0V/2.8V 40 to +125C 8-Pin 2mm x 2mm Thin MLF MIC5331-3.0/2.85YMT MIC5331-PNYMT UPN 3.0V/2.85V 40 to +125C 8-Pin 2mm x 2mm Thin MLF MIC5331-3.0/3.0YMT MIC5331-PPYMT UPP 3.0V/3.0V 40 to +125C 8-Pin 2mm x 2mm Thin MLF Note: Other voltage options available. Contact Micrel for details. Pin Configuration VIN 1 8 VOUT1 GND 2 7 VOUT2 NC 3 6 NC EN2 4 5 EN1 8-Pin 2mm x 2mm Thin MLF (MT) (Top View) Pin Description Pin Number Pin Name Pin Function 1 VIN Supply Input. 2 GND Ground. 3 NC Not Internally Connected. 4 EN2 Enable Input (Regulator 2): Active High Input. Logic High = On; Logic Low = Off. Do not leave floating. 5 EN1 Enable Input (Regulator 1): Active High Input. Logic High = On; Logic Low = Off. Do not leave floating. 6 NC Not Internally Connected. 7 VOUT2 Regulator Output LDO2. 8 VOUT1 Regulator Output LDO1. M9999-021408-A February 2008 2