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NCL30082B4DR2G

更新时间： 2024-11-28 00:50:35
品牌 Logo 应用领域
安森美 - ONSEMI /
页数 文件大小 规格书
35页 361K
描述
Dimmable Quasi-Resonant Primary Side Current-Mode Primary Side Current-Mode

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中文翻译

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NCL30082B4DR2G 数据手册

 浏览型号NCL30082B4DR2G的Datasheet PDF文件第2页浏览型号NCL30082B4DR2G的Datasheet PDF文件第3页浏览型号NCL30082B4DR2G的Datasheet PDF文件第4页浏览型号NCL30082B4DR2G的Datasheet PDF文件第5页浏览型号NCL30082B4DR2G的Datasheet PDF文件第6页浏览型号NCL30082B4DR2G的Datasheet PDF文件第7页 
NCL30082  
Dimmable Quasi-Resonant  
Primary Side Current-Mode  
Controller for LED Lighting  
with Thermal Fold-back  
The NCL30082 is a PWM current mode controller targeting isolated  
flyback and non−isolated constant current topologies. The controller  
operates in a quasi−resonant 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 fold−back. While the NCL30082 has integrated fixed  
overvoltage protection, the designer has the flexibility to program a  
lower OVP level.  
www.onsemi.com  
8
8
1
1
Micro8  
DM SUFFIX  
CASE 846A  
SOIC−8  
D SUFFIX  
CASE 751  
MARKING DIAGRAMS  
8
AAx  
AYWG  
G
Features  
• Quasi−resonant Peak Current−mode Control Operation  
• Primary Side Sensing (no optocoupler needed)  
1
AAx  
x
= Specific Device Code  
= C, D or H  
= Assembly Location  
= Year  
• Wide V Range  
CC  
• Source 300 mA / Sink 500 mA Totem Pole Driver with 12 V Gate  
Clamp  
A
Y
W
G
= Work Week  
= Pb−Free Package  
(Note: Microdot may be in either location)  
• Precise LED Constant Current Regulation 1% Typical  
• Line Feed−forward for Enhanced Regulation Accuracy  
• Low LED Current Ripple  
8
• 250 mV 2% Guaranteed Voltage Reference for Current Regulation  
• ~0.9 Power Factor with Valley Fill Input Stage  
• Low Start−up Current (13 mA typ.)  
L30082x  
ALYW  
G
1
• Analog or Digital Dimming  
• Thermal Fold−back  
L30082x = Specific Device Code  
x
= B, B1, B2, B3, D  
= Assembly Location  
= Wafer Lot  
= Year  
= Work Week  
• Wide Temperature Range of −40 to +125°C  
• Pb−Free, Halide−Free MSL1 Product  
A
L
Y
W
G
• Robust Protection Features  
♦ Over Voltage / LED Open Circuit Protection  
♦ Over Temperature Protection  
= Pb−Free Package  
♦ Secondary Diode Short Protection  
♦ Output Short Circuit Protection  
♦ Shorted Current Sense Pin Fault Detection  
♦ Latched and Auto−recoverable Versions  
♦ Brown−out  
PIN CONNECTIONS  
1
SD  
ZCD  
CS  
DIM  
VIN  
VCC  
DRV  
GND  
♦ V Under Voltage Lockout  
CC  
♦ Thermal Shutdown  
(Top View)  
• These Devices are Pb−Free and Halogen Free/BFR Free  
Typical Applications  
ORDERING INFORMATION  
• Integral LED Bulbs  
• LED Power Driver Supplies  
• LED Light Engines  
See detailed ordering and shipping information on page 33 of  
this data sheet.  
© Semiconductor Components Industries, LLC, 2015  
1
Publication Order Number:  
January, 2015 − Rev. 5  
NCL30082/D  
1234567...35

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