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PDF GL8911S Data sheet ( Hoja de datos )
| Número de pieza | GL8911S | |
| Descripción | High Power Factor & Accuracy Constant Current LED Driver | |
| Fabricantes | grenergy | |
| Logotipo |  |
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Preliminary GL8911S
High Power Factor & Accuracy Constant Current LED Driver
Features
Built-in 600V Power MOSFET
High Power Factor by One Cycle Control
Accuracy Constant Current
Low BOM Cost
Average Current / Fixed Frequency Control
LED Open Protection (OVP)
LED Short Protection (SCP)
Over Current Protection (OCP)
Internal OTP Protection
Application
E26/27, T5/T8 LED Lamp
Others LED Lighting Applications
Description
The GL8911S integrated a 600V power MOSFET
and a highly-integrated, low startup current, average
current mode, one cycle control PFC and fixed
switching frequency PWM controller. These
functions 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, open protection,
and internal over temperature protection. The
COMP pin controls the duty by connected an RC
compensation network to ground and forming the
closed loop feedback control. To protect the external
power MOSFET from being damaged by supply
over voltage.
The GL8911S improves the performance and
reduces the cost of the LED driver. It is a 8-pin
SOP-8 package.
Ordering and Marking Information
SOP-8
Code 1 8 9 A B
GH IJ
Year 2008 2009 2010 2011
2016 2017 2018 2019
Code 2 1 2 3 4 ● ● ● 9 A B C
Month Jan. Feb. Mar. Apr.
Sep. Oct. 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.
2013.04 Ver. B Copyright grenergy OPTO, Inc. www.grenergy-ic.com
1
1 page  
Preliminary GL8911S
℃Electrical Characteristics (VCC = 15.0V & TA = +25 , unless otherwise specified.)
Parameter
Min.
Typ.
Max.
SUPPLY VOLTAGE
Startup Current (VCC=UVLO on - 1V)
8 15
Operating Current (with 1nF load on OUT pin),
Vcomp = 2.5V
23
Operating Current (with 1nF load on OUT pin),
Protection Tripped (OCP, OVP, SCP, OTP)
0.7 1.1
UVLO(off)
678
UVLO(on)
14 15 16
OVP Level on VCC Pin
29.5 31.5 33.5
OVP De-Bounce Time
40
VOLTAGE FEEDBACK
Feedback Reference Voltage
0.195 0.200 0.205
Tran-Conductance
120
Output Sink Current
12
Output Source Current
12
CURRENT SENSING
Input Over Voltage Protection
0.75 0.80 0.85
Open Loop Voltage, CS Pin Open
5
Leading-Edge Blanking Time
410
Delay to Output
100 220
SWITCHING FREQUENCY
Switching Frequency
42 45 48
Maximum Duty
90
Frequency Jitter Range
+/-4
Temp. Stability (-40°C ~ 125°C)
6
Voltage Stability (VCC = 11V~25V)
1
OTP SECTION
OTP Trip Point
150
OTP Release Point
130
OTP Threshold Level
20
OTP De-Bounce Time
80
MOSFET SECTION
BVdss Vgs=0
600
Rds (on)
1.7
Unit
uA
mA
mA
V
V
V
us
V
uS
uA
uA
V
V
nS
nS
KHz
%
%
%
%
℃
℃
℃
uS
V
Ω
2013.04 Ver. B Copyright grenergy OPTO, Inc. www.grenergy-ic.com
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet GL8911S.PDF ] | |
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