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

Numéro de référence NCL30080B
Description Quasi-Resonant Primary Side Current-Mode Controller
Fabricant ON Semiconductor 
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NCL30080B fiche technique
NCL30080
Product Preview
Quasi-Resonant Primary
Side Current-Mode
Controller for LED Lighting
The NCL30080 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 wide VCC range simplifies the design process and
allows a single design to support a wide LED forward voltage range. A
robust suite of safety protection is built in to simplify the design. This
device is specifically intended for very compact space efficient
designs
http://onsemi.com
1
TSOP6
SN SUFFIX
CASE 318G
MARKING DIAGRAM
Features
AAxAYWG
G
Quasiresonant Peak Currentmode Control Operation
1
Primary Side Sensing (no optocoupler needed)
Wide VCC Range
Precise LED Constant Current Regulation ±1% Typical
Line Feedforward for Enhanced Regulation Accuracy
Low LED Current Ripple
250 mV ±2% Guaranteed Voltage Reference for Current Regulation
AAx = Specific Device Code
x = E or F
A = Assembly Location
Y = Year
W = Work Week
G = PbFree Package
(Note: Microdot may be in either location)
~ 0.9 Power Factor with Valley Fill Input Stage
Low LED Current Ripple
Source 300 mA / Sink 500 mA Totem Pole Driver with 12 V Gate
Clamp
PIN CONNECTIONS
1
ZCD
VIN
Low Startup Current (13 mA typ.)
GND
VCC
Small Space Saving Low Profile Package
CS DRV
Wide Temperature Range of 40 to +125°C
Pbfree, Halidefree MSL1 Product
(Top View)
Robust Protection Features
Over Voltage / LED Open Circuit Protection
Secondary Diode Short Protection
Output Short Circuit Protection
Shorted Current Sense Pin Fault Detection
Latched and Autorecoverable Versions
Brownout
VCC Under Voltage Lockout
Thermal Shutdown
Typical Applications
Integral LED Bulbs
LED Power Driver Supplies
LED Light Engines
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 21 of this data sheet.
© Semiconductor Components Industries, LLC, 2013
January, 2013 Rev. P0
1
Publication Order Number:
NCL30080/D

PagesPages 21
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