現(xiàn)在客戶要求做一個LED驅(qū)動電源的樣品
輸入:DC10V-30V
輸出:36V/800MA
哪位朋友有好點方案啊???
LED升壓方案征集
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LM3423 LED驅(qū)動器的技術(shù)規(guī)格
這款最新推出的美國國家半導(dǎo)體LM3423芯片適用于高達75V的輸入電壓,可升降壓應(yīng)用,
可出高達18個1W串接 LED,
VIN range from 4.5V to 75V
2% 1.25V Internal reference voltage
Current sense voltage adjustable from 50mV to 1.25V
High side current sensing
750mA peak MOSFET gate driver
Dimming MOSFET gate driver
Input under-voltage protection
Output over-voltage protection
LED ready flag
Low shutdown current, Iq < 1?A
Fast (50 KHz) PWM dimming input
Cycle-by-cycle current limit
Programmable running frequency
Fault timer pin
TSSOP-20 package
Applications
LED Drivers
Constant Current Buck-Boost Regulator
Constant Current Boost Regulator
Constant Current Flyback Regulator
Constant Current SEPIC Converter
Thermo-Electric Cooler (Peltier) Driver
TEL:(0)13760313075;
Email:ZHEB8110@163.COM;
MSN:ZHEB8110@hotmail.com;
500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖，點擊可放大。\n按住CTRL，滾動鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/79/1367671248876451.jpg');}" onmousewheel="return imgzoom(this);">
這款最新推出的美國國家半導(dǎo)體LM3423芯片適用于高達75V的輸入電壓,可升降壓應(yīng)用,
可出高達18個1W串接 LED,
VIN range from 4.5V to 75V
2% 1.25V Internal reference voltage
Current sense voltage adjustable from 50mV to 1.25V
High side current sensing
750mA peak MOSFET gate driver
Dimming MOSFET gate driver
Input under-voltage protection
Output over-voltage protection
LED ready flag
Low shutdown current, Iq < 1?A
Fast (50 KHz) PWM dimming input
Cycle-by-cycle current limit
Programmable running frequency
Fault timer pin
TSSOP-20 package
Applications
LED Drivers
Constant Current Buck-Boost Regulator
Constant Current Boost Regulator
Constant Current Flyback Regulator
Constant Current SEPIC Converter
Thermo-Electric Cooler (Peltier) Driver
TEL:(0)13760313075;
Email:ZHEB8110@163.COM;
MSN:ZHEB8110@hotmail.com;
500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖，點擊可放大。\n按住CTRL，滾動鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/79/1367671248876451.jpg');}" onmousewheel="return imgzoom(this);"> 0
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你好 我們的CC6003能滿足你的要求
CC6003----大功率LED升壓DC/DC 恒流驅(qū)動IC 主要特點如下:
(1)寬輸入電壓:3.6V~36V
(2)輸出電壓高:最高可升到42V,可串聯(lián)12顆1W LED
(3)低至0.2V參考電壓,可以有效提高系統(tǒng)效率
(4)大電流1050mA持續(xù)電流輸出,
可驅(qū)動1W LED12串3并或3W LED12串
(5)EN腳可實現(xiàn)PWM調(diào)光,
且輸入自帶軟啟動功能
(6)應(yīng)用電路簡單
深圳中行科技 羅驥 13670179359 QQ:565830764 email:luoji1121@163.com
CC6003----大功率LED升壓DC/DC 恒流驅(qū)動IC 主要特點如下:
(1)寬輸入電壓:3.6V~36V
(2)輸出電壓高:最高可升到42V,可串聯(lián)12顆1W LED
(3)低至0.2V參考電壓,可以有效提高系統(tǒng)效率
(4)大電流1050mA持續(xù)電流輸出,
可驅(qū)動1W LED12串3并或3W LED12串
(5)EN腳可實現(xiàn)PWM調(diào)光,
且輸入自帶軟啟動功能
(6)應(yīng)用電路簡單
深圳中行科技 羅驥 13670179359 QQ:565830764 email:luoji1121@163.com
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@luoji1121
你好我們的CC6003能滿足你的要求CC6003----大功率LED升壓DC/DC恒流驅(qū)動IC主要特點如下:(1)寬輸入電壓:3.6V~36V(2)輸出電壓高:最高可升到42V,可串聯(lián)12顆1WLED(3)低至0.2V參考電壓,可以有效提高系統(tǒng)效率(4)大電流1050mA持續(xù)電流輸出,可驅(qū)動1WLED12串3并或3WLED12串(5)EN腳可實現(xiàn)PWM調(diào)光,且輸入自帶軟啟動功能(6)應(yīng)用電路簡單深圳中行科技羅驥13670179359QQ:565830764email:luoji1121@163.com
多少錢一片呢?
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