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GL8216

Part Number	GL8216
Manufacturer	grenergy
Description	Non-isolation High Power Factor LED Driver
Published	Jul 21, 2014
Detailed Description	Preliminary GL8216 Non-isolation High Power Factor LED Driver Features Transition mode (TM) PFC control Non-isolation fl...
Datasheet	GL8216 PDF File

Overview

Preliminary GL8216 Non-isolation High Power Factor LED Driver Features Transition mode (TM) PFC control Non-isolation flyback topology Precision current regulation for LED Cycle-by-cycle over current protection VCC pin over voltage protection Output open protection Constant on time PWM control Programmable CT pin for PFC optimization General Description The GL8216 is a high performance non-isolation AC/DC off-line switching mode single stage PFC control IC for LED lighting.
It’s built-in an accuracy +/- 1% reference voltage for current regulation.
The feedback control loop is easily compensated by connected a capacitor to COMP pin and ground.
The application circuit for constant current is very simple without any OPAmp required.
It’s suitable for low cost LED driver with PFC requirement and Application LED lighting accuracy LED current.
Ordering and Marking Information SOP-8 Code 1 8 9 A B Year 2008 2009 2010 2011 Code 2 1 2 3 4 Month Jan.
Feb.
Mar.
Apr.
● ● ● G 2016 9 Sep.
H 2017 A Oct.
I J 2018 2019 B C Nov.
Dec.
Grenergy OPTO Inc.
reserves the right to make changes to improve reliability or manufacture ability without notice, and advise customers to obtain the latest version of relevant information to verify before placing orders.
2011.
05 Ver.
A Copyright Grenergy OPTO, Inc.
www.
grenergy-ic.
com 1 Preliminary GL8216 Pin Configuration TOP VIEW CC COMP CT CS 1 2 3 4 8 7 6 5 VCC DRV GND ZCD Pin Description Pin No.
1 2 Name CC COMP Function The Constant Current pin is connected to the internal error amplifier.
The COMP pin is connected to the output of internal error amplifier.
Adding compensation network to stabilize the control loop and get higher power factor.
The CT pin is connected to the current source to charge the external capacitor and compare the COMP voltage to terminate the power switch.
The Current Sense pin is connected to the input of OCP comparator, and 4 CS terminates the power switch when the current sense voltage is beyond threshol...

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