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GR8876AKAG Fiches technique(PDF) 2 Page - Grenergy Opto, lnc.

No de pièce GR8876AKAG
Description  Green-Mode PWM Controller with Integrated Protections
Download  15 Pages
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Fabricant  GRENERGY [Grenergy Opto, lnc.]
Site Internet  http://www.grenergy-ic.com/
Logo GRENERGY - Grenergy Opto, lnc.

GR8876AKAG Fiches technique(HTML) 2 Page - Grenergy Opto, lnc.

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2010.10 Ver. 1.0 Copyright Grenergy OPTO, Inc. www.grenergy-ic.com
2
GR8876A
Pin Configuration
SOP-8 / DIP-8 TOP VIEW
SOP-7 TOP VIEW
Pin Description
Pin
Symbol
Description
1
RT
Connecting a resistor to ground, this resistor determine the switching frequency
2
COMP
Voltage feedback pin, by connecting a photo-coupler to control the duty cycle
3
CS
Current sense pin, connect to sense the MOSFET current
4
GND
Ground
5
OUT
The output for driving the external MOSFET
6
VCC
Power supply pin
7
NC
Unconnected pin
8
HV
This pin is connected to positive terminal of bulk capacitor. It provides the startup
current. When UVLO (on) is tripped, this HV loop will be off thus limit the power loss
on the startup circuit.
Absolute Maximum Ratings
Supply voltage VCC
---------------------------------------------------------------------------------------------------------
35V
High-voltage pin, HV
----------------------------------------------------------------------------------------------
-0.3 ~ 500V
COMP, RT, CS
---------------------------------------------------------------------------------------------------------
-0.3 ~ 7V
Junction temperature
-----------------------------------------------------------------------------------------------------
150
Operating ambient temperature
------------------------------------------------------------------------------
-20
℃ ~ 85℃
Storage temperature range
----------------------------------------------------------------------------------
-65
℃ ~ 150℃
SOP-8, SOP-7 package thermal resistance
------------------------------------------------------------------
160
℃/W
DIP-8 package thermal resistance
------------------------------------------------------------------------------
100
℃/W
Power dissipation (SOP-8,SOP-7 at ambient temperature = 85
)
----------------------------------------400 mW
Power dissipation (DIP-8, at ambient temperature = 85
)
---------------------------------------------------
650mW
Lead temperature (All Pb free packages, soldering, 10sec)
------------------------------------------------
260
ESD voltage protection, human body model
-----------------------------------------------------------------------
2KV
ESD voltage protection, machine model
------------------------------------------------------------------------------
200V


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