2012.07 ver. b copyright g renergy o pto, inc. www.grenergy - ic.com 1 prelimina ry g l8212 feature s ? tm (transition mode) fix ed on - time pfc control ? accuracy constant c urrent ? low bom c ost ? inductor size reduction ? ct pin adjust frequency range for optimization ? over voltage p rotection (ovp)- auto recovery ? led s hort p rotection (sc p) - auto recovery ? over load p rotection (ol p) - auto recovery ? sot - 26 package application ? gu10 /e14 led bulb ? others led l ighting a pplications description the GL8212 is a highly - integrated, low startup current, tm (transition mode) , fix ed on - time pfc control and pwm co ntroller . th e s e f unction s enable the led driver to easily meet the accuracy average led current and high power factor requirements . the integrated functions also include the led short protection, over voltage protection, over load p rotection . the comp pin controls the duty by connected an rc compensation network to ground and forming the closed loop feedback control . the GL8212 improves the performance and redu ces the cost of the led driver . it is a 6 - pin sot - 26 package. ordering and marking informat ion c: sot-26 gl 8212 package code rohs code g: green (halogen free) device l: pb free device sot - 26 12 x x xxx serial no. code 1 code 2 code 1 8 9 a b g h i j year 2008 2009 2010 2011 2016 2017 2018 2019 code 2 1 2 3 4 9 a b c month jan. feb. mar. apr. s ep. oct. nov. dec. g renergy 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 . high p ower factor & accuracy constant current led driver
2012.07 ver. b copyright g renergy o pto, inc. www.grenergy - ic.com 2 prelimina ry g l8212 pin conf iguration vcc gnd drv comp cs ct 1 2 3 4 5 6 pin description p in no. n ame function 1 vcc power s upply pin 2 gnd ground pin 3 drv the drv pin is connected to the totem pole gate driver to drive the external power switch. 4 ct the ct pin is connected to the current source to charge the external capacitor and compare the comp voltage to terminate the power switch. 5 cs current sense pin 6 comp feedback compensation network absolute maximum ratings supply v oltage v cc --------------------------------------- ------------------------------------------------------------------ 3 0 v ct , comp , cs ---------------------------------------------------------------------------------------------------- - 0.3 v ~ 7v drv ------------------------------------------------------ ------------------------------------------------- 15v junction t emperature ------------------------------------------------------------------------------------------------------- 150 operating a mbient t emperature ------------------------------------------------------------------------------ -20 ~ 85 storage t emperature r ange ---------------------------------------------------------------------------------- - 65 ~ 150 sot - 26 p ackage t hermal r esistance (junction to ambient) -------------------- --------------------------- 250 / w power d issipation (sot - 26, at a mbient t emperature = 85 ) --------------------- --------------------------- 250mw lead t emperature (all pb f ree p ackages, s oldering, 10 sec) -------------------------------------------------- 260 esd v oltage p rotection, h uman b ody m ode l -------------------------------------------------------------------------- 2kv esd v oltage p rotection, m achine m ode l -------------------------------------------------------------------- --------- 2 00v
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