升压系列

Features
  Wide 3.6V to 32V Input Voltage Range
  0.22V FB adjustable LED drive current
  Directly drive 11 Series 1W LED at
VIN>=12V
  Fixed 180KHz Switching Frequency
  Max. 4A Switching Current Capability
  Up to 94% efficiency
  Excellent line and load regulation
  EN PIN TTL shutdown capability &
With PWM Dimming Function 
  Internal Optimize Power MOSFET
  Built in Soft-Start Function
  Built in Frequency Compensation
  Built in Thermal Shutdown Function
  Built in Current Limit Function
  Available in TO252-5L package
Applications
  LED Lighting
  Boost constant current driver
  Monitor LED Backlighting
  7’ to 15’ LCD Panels 
General Description
The XL6005 regulator is fixed frequency PWM
Boost (step-up) LED constant current driver,
capable of driving Series 1W/3W/5W LED units
with excellent line and load regulation. The
regulator is simple to use because it includes internal
frequency compensation and a fixed-frequency
oscillator so that it requires a minimum number of
external components to work.
The XL6005 could directly drive 11 Series 1W LED
units at VIN>12V .
The PWM control circuit is able to adjust the
duty ratio linearly from 0 to 95%. An enable
function, an over current protection function
is built inside. An internal compensation
block is built in to minimize external
component count.