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產(chǎn)品型號AOZ1977AI-1
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更新時(shí)間:2022-03-26 10:39:40瀏覽次數(shù):88次
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TheAOZ1977-1isahigh-efficiencyLEDdrivercontrollerforhighvoltageLEDbacklightingapplications
The AOZ1977-1 is a high-efficiency LED driver
controller for high voltage LED backlighting
applications. It is designed to drive high-brightness
LED light bar in LED TV applications. The AOZ1977-1
can support a wide range of input and output
voltages. The input bias voltage of AOZ1977-1 is
from 8V to 30V.
The AOZ1977-1 has multiple features to protect the
regulator under fault conditions. A control pin can
disable an external switch to disconnect the LEDs
current path from the output in PWM dimming or
under catastrophic failure conditions. Cycle-by-cycle
current protection limits the peak inductor current.
Thermal shutdown provides another level of
protection.
Low feedback voltage (500mV) helps reduce power
loss.
The AOZ1977-1 features sync function to allow for
synchronization with external clock or multiple
AOZ1977-1.
The AOZ1977-1 is available in a standard SO-16
package and operates over the temperature range of
-40°C to +85°
制造商零件編號:AOZ1977AI-1
制造商:Alpha & Omega Semiconductor Inc
描述:IC LED DRVR BCKLGT 16SOIC
系列:EZBoost?
恒流:-
恒壓:-
拓?fù)洌篜WM,升壓(升壓)
輸出數(shù):1
內(nèi)部驅(qū)動(dòng)器:無
類型 - 初級:背光
類型 - 次級:高亮度 LED(HBLED)
頻率:50kHz ~ 300kHz
電壓 - 電源:8 V ~ 30 V
電壓 - 輸出:16V
安裝類型:表面貼裝
封裝/外殼:16-SOIC(0.154",3.90mm 寬)
供應(yīng)商器件封裝:16-SOIC
工作溫度:-40°C ~ 85°C
? 8V to 30V input bias voltage
? Up to 16V driving capability at GATE pin and
DPWM pin.
? Disconnect control pin for PWM dimming or fault
conditions.
? Bi-directional Clock synchronization
? 500mV feedback regulation
? Feedback short protection
? 8 bit PWM dimming resolution
? Cycle-by-cycle current limit
? Output over-voltage protection
? LED short and open protection
? Thermal shutdown protection
? SO-16 package
Applications
? LCD TV LED backlight
? LED monitor
? General LED lighting
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