EC4514|24V, 4A Asynchronous Boost Converte

EC4514|24V, 4A Asynchronous Boost Converte

General Description

The EC4514 is a asynchronous rectifier, fixed switching frequency (600kHz or 1.2MHz typical), and current‐mode step‐up regulator. The device allows use of small inductors and output capacitors.

The current‐mode control scheme provides fast transient response and good output voltage accuracy.

At light loads, the EC4514 will automatically enter in Pulse Skip Mode (PSM) operation to reduce the dominant switching losses.

During PSM operation, the IC consumes very low quiescent current and maintains high efficiency over the complete load range.

The EC4514 also includes current‐limit and over‐temperature shutdown to prevent damage in the event of an output overload.

Features

● Wide 2.6V to 6V Input Voltage Range
● Built‐in 125mΩ N‐Channel MOSFET
● Built‐in Adjustable Soft‐Start Function
● High Efficiency up to 90%
● Current‐Mode Operation
‐Stable with Ceramic Output Capacitors
‐Fast Transient Response
● Current‐Limit Protection
● Over‐Temperature Protection with Hysteresis
● Built in EN Function For Timing Control
● Selectable Frequency 600kHz/1.2MHz
● Available in DFN3x3‐10 Package
● Lead Free and Green Devices Available (RoHS
Compliant)

Applications

● Panel
● IEEE1394 Port
● Thunderbolt Application
● Boost Regulators


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