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ML4854

Part Number	ML4854
Manufacturer	Fairchild
Description	Adjustable / Low-Current / 2-Cell Boost Regulator with Shutdown and Low Battery Detect
Published	May 7, 2005
Detailed Description	www.fairchildsemi.com ML4854 Adjustable, Low-Current, 2-Cell Boost Regulator with Shutdown and Low Battery Detect Featu...
Datasheet	ML4854 PDF File

Overview

www.
fairchildsemi.
com ML4854 Adjustable, Low-Current, 2-Cell Boost Regulator with Shutdown and Low Battery Detect Features • • • • • 95% Efﬁciency at 200mA Load Current Integrated Peak Current Limit Variable Output Voltage Determined by External Resistors Variable On-time Pulse Frequency Modulation (PFM) Fully Internal Synchronous Rectiﬁer (no external diodes) for High Efﬁciency and Low Peak Currents • Low-Battery Detection • Logic Controlled Shutdown with True Load Disconnect General Description The ML4854 is a low power boost regulator designed for low voltage DC to DC conversion in two-cell battery powered systems such as cell phones and PDAs.
The converter starts up at 1.
3V and has an ...

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