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DC/DC WHITE LIGHT LED DRIVER
EC4006
P 1 / 8
DR18EC4006-Ver1.0
Dec. 2004 Rev. 1. 0
General Description
The EC4006 is a monolithic constant current white light LED driver using PWM control method.
This device consists of internal temperature compensated reference, voltage comparator,
controlled duty cycle oscillator with active current limit circuit, driver and high current output switch.
This device is specifically designed be used in Step-Down and Step-Up applications with a few
external components.
The EC4006 package is SOP-8.
Features
• Operation input voltage from 3.0V to 36V
• Low Standby Current
• Current Limiting
• Output Switch Current to 0.8A
• Constant output current
• Operation Frequency up to 65KHz (CT=330pF)
Applications
· White light LED driver
SOP-8
Figure 1. Package Types of EC4006
Ordering Information
Package
Temperature Range
Part Number
Marking ID
Packing Type
SOP-8
-40℃ to 85℃
EC4006M
EC4006M
Tape/Reel
EC4006M is a standard tin-lead product, EC4006M-F means a Lead Free product.
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