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NCL30082ADMR2G Datasheet دیتاشیت PDF دانلود

دیتاشیت - ON Semiconductor - Dimmable Quasi-Resonant Primary Side Current-Mode Controller

شماره قطعه NCL30082ADMR2G
شرح مفصل Dimmable Quasi-Resonant Primary Side Current-Mode Controller
تولید کننده ON Semiconductor 
آرم ON Semiconductor 


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NCL30082ADMR2G شرح
NCL30082
Product Preview
Dimmable Quasi-Resonant
Primary Side Current-Mode
Controller for LED Lighting
with Thermal Fold-back
http://onsemi.com
The NCL30082 is a PWM current mode controller targeting isolated
flyback and nonisolated constant current topologies. The controller
operates in a quasiresonant mode to provide high efficiency. Thanks
to a novel control method, the device is able to precisely regulate a
constant LED current from the primary side. This removes the need
for secondary side feedback circuitry, biasing and an optocoupler.
The device is highly integrated with a minimum number of external
components. A robust suite of safety protection is built in to simplify
the design. This device supports analog/digital dimming as well as
thermal current foldback. While the NCL30082 has integrated fixed
overvoltage protection, the designer has the flexibility to program a
lower OVP level.
Features
Micro8
DM SUFFIX
CASE 846A
MARKING DIAGRAM
8
AAx
AYWG
G
1
Quasiresonant Peak Currentmode Control Operation
Primary Side Sensing (no optocoupler needed)
Wide VCC Range
Source 300 mA / Sink 500 mA Totem Pole Driver with 12 V Gate
Clamp
Precise LED Constant Current Regulation ±1% Typical
AAx = Specific Device Code
x = C or D
A = Assembly Location
Y = Year
W = Work Week
G = PbFree Package
(Note: Microdot may be in either location)
Line Feedforward for Enhanced Regulation Accuracy
Low LED Current Ripple
250 mV ±2% Guaranteed Voltage Reference for Current Regulation
~ 0.9 Power Factor with Valley Fill Input Stage
Low Startup Current (13 mA typ.)
Analog or Digital Dimming
Thermal Foldback
PIN CONNECTIONS
SD
ZCD
CS
GND
1
DIM
VIN
VCC
DRV
(Top View)
Wide Temperature Range of 40 to +125°C
Pbfree, Halidefree MSL1 Product
Robust Protection Features
Over Voltage / LED Open Circuit Protection
Typical Applications
Over Temperature Protection
Integral LED Bulbs
Secondary Diode Short Protection
Output Short Circuit Protection
Shorted Current Sense Pin Fault Detection
LED Power Driver Supplies
LED Light Engines
Latched and Autorecoverable Versions
Brownout
VCC Under Voltage Lockout
Thermal Shutdown
This document contains information on a product under development. ON Semiconductor
reserves the right to change or discontinue this product without notice.
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 32 of this data sheet.
© Semiconductor Components Industries, LLC, 2013
February, 2013 Rev. P2
1
Publication Order Number:
NCL30082/D

قانون اساسیصفحه 30
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