EC5086|2.7V to 30V Input 55µA Quiescent Current Synchronous Boost Controller

EC5086|2.7V to 30V Input 55µA Quiescent Current Synchronous Boost Controller

General Description

The EC5086 is a high efficiency synchronous Boost PWM controller that drives all N-channel power MOSFETs to step up output voltage up to 30V.

Synchronous rectification increases efficiency, reduces power losses and eases thermal requirements, allowing the EC5086 to be used in high power Step Up applications.

The 2.7V to 30V input voltage range supports a wide range of battery and AC powered inputs. The 55µA no load quiescent current extends operating run time in battery-powered systems.

The adjustable operating frequency (50kHz to 1MHz) can be synchronized to an external clock with the internal PLL. The EC5086 also features a precision 1.215V reference and a power good output indicator.

The SS pin ramps the output voltage during start-up.

The MODE/SYNC pin selects between pulse skipping mode and force PWM mode at light loads.

Features

◆30V Maximum Output Voltage
◆2.7V to 30V (40V Abs Max) Input Range
◆Adjustable Input UVLO through EN pin
◆±1% 1.215V Reference Voltage
◆Low Quiescent Current 55µA
◆Shutdown Supply Current 5μA
◆Resistor or Inductor DCR Current Sensing
◆Adjustable Frequency from 50kHz to 1MHz with Synchronization Capability to an external clock
◆Adjustable Output Voltage Soft-Start
◆Output Voltage Power Good Indicator
◆Internal 5.4V LDO for Gate Drive Supply
◆Cycle-by-Cycle Current Limit
◆Thermal Shutdown
◆Pb-Free ROHS compliant
◆QFN3*3mm Packages

Applications

◆Thunderbolt Port for PCs
◆Tablet Computer Accessories
◆5V, 12V, 19V and 24 VDC Bus Power Systems
◆Industrial Battery Powered Systems
◆Power Banks and Electronic Cigarette
◆RF Power Amplifiers
◆Synchronous Flyback


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