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MIC2826

Micrel Semiconductor
Part Number MIC2826
Manufacturer Micrel Semiconductor
Description Quad Output PMIC
Published Jun 8, 2010
Detailed Description MIC2826 www.DataSheet4U.com Quad Output PMIC with HyperLight Load™ DC2 DC, three LDOs, and I C Control General Descript...
Datasheet PDF File MIC2826 PDF File

MIC2826
MIC2826

Overview
MIC2826 www.
DataSheet4U.
com Quad Output PMIC with HyperLight Load™ DC2 DC, three LDOs, and I C Control General Description The Micrel MIC2826 is a four output, programmable Power Management IC, optimized for high efficiency power support in Mobile Application Processors, Co-Processors, DSPs, GPS and Media Player chipsets.
The device integrates a single 500mA PWM/PFM synchronous buck (step-down) regulator with three Low Dropout Regulators and a 400kHz I²C interface that provides programmable Dynamic Voltage Scaling (DVS), Power Sequencing, and individual output Enable/Disable controls allowing the user to optimally control all four outputs.
The 4MHz synchronous buck regulator features a patented HyperLight Load™ (HLL) architecture which minimizes switching losses and provides low quiescent current operation for high efficiency at light loads.
Additional benefits of this proprietary architecture are low output ripple voltage and fast transient response throughout the entire load range with the use of small output capacitors, reducing the overall system size.
Three high performance LDOs are integrated into the MIC2826 to provide additional system voltages for I/O, memory and other analog functions.
Each LDO is capable of sourcing 150mA output current with high PSRR and low output noise.
A 2% output voltage accuracy, low dropout voltage (150mV @ 150mA), and low ground current of 116µA (all three LDOs operating) makes this device ideally suited for mobile applications.
The MIC2826 is available in a tiny 14-pin 2.
5mm x 2.
5mm Thin MLF® with a junction operating range from -40°C to +125°C.
Data sheets and support documentation can be found on Micrel’s web site at: www.
micrel.
com.
Features • • • • • • • Fast-mode I2C control interface Tiny 14-pin 2.
5mm x 2.
5mm MLF® package Default start-up voltage states and sequencing Fault indication processor flag - IRQb -40°C to 125°C junction temperature range Thermal shutdown and current-limit protection Power On After Fault (POAF) f...


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