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參數(shù)資料
| 型號(hào)： | MLX10803KDC |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | High power LED driver |
| 中文描述： | 高功率LED驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 6/25頁(yè) |
| 文件大?。?/td> | 479K |
| 代理商： | MLX10803KDC |
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IC specification
MLX10803
High power LED driver
3901010803 Page 6/25
Data Sheet
Rev 025 2/OCT/07
resistor should be placed as close as possible to IREF2 pin and stripe from IREF1 pin to NTC resistor should be
shielded by GND stripe.
The schematic diagram under Figure 1 is used in applications where the LED is controlled by external control
electronics. A PWM with a frequency between 30Hz..5kHz can be applied to the VS/PWM pin in order to
dim the light output. This frequency is limited by the time needed for recharging the coil and monoflop time selected
by the resistor connected to ROSC as well as by the IC settling time after POR. This function can be used to
achieve different light outputs or also be used in a temperature down regulation.
It is recommended to have the PWM frequency at least 5-10 times lower than the selected driver switching
frequency.
Diode is placed between DRVGATE and VS/PWM IC pins serves as discharger of gate of FET transistor. Thus,
having switched off IC at VS/PWM voltage=0 DRVGATE turns to Z-state. Charge that was stored in gate capacitor
runs down to VS/PWM module pin via the diode.
The minimum schematic diagram under Figure 2 is sufficient for all applications with a constant light output.
We also recommend to compare with our other circuits in the MLX108xx family and study these application notes
for suitable solutions.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MLX10803KDC-AAA-000-RE | 功能描述:IC LED DRVR HP CONST CURR 8-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?PWM，切換式電容器（充電泵） 輸出數(shù):1 內(nèi)部驅(qū)動(dòng)器:是 類型 - 主要:背光 類型 - 次要:白色 LED 頻率:642kHz 電源電壓:2.7 V ~ 5.5 V 輸出電壓:5V 安裝類型:表面貼裝 封裝/外殼:10-VFDFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:10-VSON 包裝:剪切帶 (CT) 工作溫度:-30°C ~ 85°C 產(chǎn)品目錄頁(yè)面:1371 (CN2011-ZH PDF) 其它名稱:BD1603NUV-E2CT |
| MLX10803KDC-AAA-000-TU | 制造商:Melexis Semiconductors 功能描述:IC LED DRIVER HP 8SOIC |
| MLX10803KDC-TR-7 | 制造商:Melexis Semiconductors 功能描述: |
| MLX12101 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Sensor Protection IC |
| MLX12101E | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Sensor Protection IC |
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