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ON Semiconductor - Power Factor Corrected Quasi-Resonant Primary Side Current-Mode Controller

Numéro de référence NCL30088
Description Power Factor Corrected Quasi-Resonant Primary Side Current-Mode Controller
Fabricant ON Semiconductor 
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NCL30088 fiche technique
NCL30088
Power Factor Corrected
Quasi-Resonant Primary
Side Current-Mode
Controller for LED Lighting
with Thermal Foldback
The NCL30088 is a power factor corrected flyback controller
targeting isolated and non−isolated constant current LED drivers. The
controller operates in a quasi−resonant mode to provide optimal
efficiency. Thanks to a novel control method, the device is able to
tightly 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 is specifically intended for very compact,
space efficient designs.
Features
Quasi−resonant Peak Current−mode Control Operation
Constant Current Control with Primary Side Feedback
Tight LED Constant Current Regulation of ±2% Typical
Power Factor Correction
Line Feedforward for Enhanced Regulation Accuracy
Low Start−up Current (13 mA typ.)
Wide Vcc Range
300 mA / 500 mA Totem Pole Driver with 12 V Gate Clamp
Robust Protection Features
OVP on VCC
Programmable Over Voltage / LED Open Circuit Protection
Cycle−by−cycle Peak Current Limit
Winding Short Circuit Protection
Secondary Diode Short Protection
Output Short Circuit Protection
Shorted Current Sense Protection
User Programmable NTC Based Thermal Foldback
Thermal Shutdown
Vcc Undervoltage Lockout
Brown−out Protection
Pb−Free, Halide−Free Product
Four Versions: NCL30088A, B, C and D (See Table 1)
Typical Applications
Integral LED Bulbs and Tubes
LED Light Engines
LED Drivers/Power Supplies
Electronic Control Gear for LED Lighting
www.onsemi.com
8
1
SOIC−8 NB
CASE 751
MARKING DIAGRAM
8
L30088x
ALYW
G
1
L30088x = Specific Device Code
x = A, B, C, D
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
G = Pb-Free Package
PIN CONNECTIONS
1
ZCD
VCC
VS DRV
COMP
GND
SD CS
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 25 of this data sheet.
© Semiconductor Components Industries, LLC, 2015
April, 2015 − Rev. 4
1
Publication Order Number:
NCL30088/D

PagesPages 26
Télécharger [ NCL30088 ]


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