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CL8801

Sequential Linear LED Driver

Status: In Production

Features:

  • Minimal component count (base config: CL8801 + 4 resistors + diode bridge)
  • No magnetics, no capacitors
  • Up to 7.5W output (13W w/ heat sink)
  • >110Lm/W using efficient LEDs
  • 85% electrical efficiency
  • >0.95 power factor
  • <30% THD line current
  • Low conducted EMI w/o filters
  • 85% LED luminous utilization
  • Phase dimmer compatible with an RC network
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Overview
Documents
Development Environment
Similar Devices
RoHS Information
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Device Overview

Summary

The CL8801 is designed to drive a long string of inexpensive, low current LEDs directly from the AC mains. A basic driver circuit consists of the CL8801, four resistors, and a bridge rectifier. Two to four additional components are optional for various levels of transient protection. No capacitors, EMI filters, or power factor correction circuits are needed. A string of series/parallel LEDs is tapped at four locations. Four linear current regulators sink current at each tap and are sequentially turned on and off, tracking the input sine wave voltage. Voltage across each regulator is minimized when conducting, providing high efficiency. Output current at each tap is individually resistor-adjustable. Cross-regulation, as the CL8801 switches from one regulator to the next, provides smooth transitions. The current waveform can be tailored to optimize for input voltage range, line/load regulation, output power/current, efficiency, power factor, THD, dimmer compatibility, and LED utilization. With the addition of an RC network, the driver is compatible with phase dimming.

Additional Features
  • Minimal component count (base config: CL8801 + 4 resistors + diode bridge)
  • No magnetics, no capacitors
  • Up to 7.5W output (13W w/ heat sink)
  • >110Lm/W using efficient LEDs
  • 85% electrical efficiency
  • >0.95 power factor
  • <30% THD line current
  • Low conducted EMI w/o filters
  • 85% LED luminous utilization
  • Phase dimmer compatible with an RC network
Parametrics
Name
Value
Input Voltage Min (V)
90
Input Voltage Max (V)
275
V OUT Min (VDC)
70
V OUT Max (VDC)
350
Output Current (peak mA)
200
Dimming
External
Parallelable
Yes
Package
QFN-33
Features
4-Stage

Documents

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Software Library

Development Environment

  • Software Libraries
Software Libraries
Analog Simulation - CL8801

The CL8801 is designed to drive a long string of inexpensive, low current LEDs directly from the AC mains. A basic driver circuit consists of the CL8801, four resistors, and a bridge rectifier. Two to...

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RoHS Information

Part Number
Device Weight (g)
Shipping Weight (grams)
Lead Count
Package Type
Package Width
Solder Composition
JEDEC Indicator
RoHS
China EFUP
CL8801K63-G-M935
0.096900
0.235500
33
VQFN
6x6x1.0mm
Matte Tin
e3
CL8801K63-G
0.096900
0.489796
33
VQFN
6x6x1.0mm
Matte Tin
e3
To see a complete listing of RoHS data for this device, please Click here
Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.

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