EC4514

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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規格是死的,設計是活的
我們提供具有靈活彈性的客製化IC與模組設計

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