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Macroblock Inc.
Floor 6-4, No. 18, Pu-Ting Rd.,
Hsinchu

300
Taiwan
电话:+886-3-5790068
传真:+886-3-5797534
网址:
http://www.mblock.com.tw
微网站首页:
http://Macroblock.allitwares.c
om/

特色产品

　Step-Down 1A Dimmable LED Driver

简要：

MBI6653 is a step-down constant-current high-brightness LED driver to provide a cost-effective design solution for interior/exterior illumination applications. It is designed to deliver constant current to light up high power LED with only 4 external components. With hysteretic PFM control scheme, MBI6653 eliminates external compensation design and makes the design simple.

　1A LED Driver IC

简要：

MBI6661 is a high efficiency, constant current and step-down DC/DC converter. It is designed to deliver constant current to light up high power LED with only 5 external components. By hysteretic PFM control scheme, MBI6661 omits the external compensation design.

产品分类

	显示产品製造服务
	LED显示屏
	LED驱动器IC (8)
	LED头灯
	LED照明
	LED模块
	LED尾灯
	白光LED驱动器IC

	Macroblock Inc. 企业类型: Manufacturer → Manufacturing Equipment 1 类别 , 8 产品上市.

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LED Driver IC with under voltage lock out MBI6651

产品名称: LED Driver IC with under voltage lock out

产品编号: MBI6651

简介:
The MBI6651 is a high efficiency, constant current and step-down DC/DC converter. It is designed to deliver constant current to light up high power LED with only 4 external components. With hysteretic PFM control scheme, MBI6651 improves the efficiency of light loading. The output current of MBI6651 can be programmed by an external resistor and LED dimming can be controlled via pulse width modulation (PWM) through DIM pin. In addition, the start-up function limits the inrush current while the power is switch on. The MBI6651 also features under voltage lock out (UVLO), over temperature protection, LED open -circuited protection and LED short -circuited protection to protect IC from being damaged. Additionally, to ensure the system reliability, the MBI6651 builds thermal protection (TP) function inside. This function protects IC from overheating (165°C) in various application conditions. MBI6651 provides thermal enhanced packages as well to handle power dissipation more efficiently. MBI6651 is available in TO-252, SOT23-6 and MSOP-8 packages.

Official Site

主要特点:
Backward compatible with MBI6650 in package

1A constant output current

96% efficiency @ input voltage 12V, 350mA, 3-LED

9~36V input voltage range

Hysteretic PFM improves efficiency at light loading

Hysteretic PFM improves efficiency at light loading

Settable output current

Integrated power switch with 0.45ohm low Rds(on)

Full protection: Thermal/UVLO/Start-Up/LED Open-/Short- Circuit

Only 4 external components required

主要应用:
Signage and Decorative LED Lighting

Automotive LED Lighting

High Power LED Lighting

Constant Current Source

Official Site

专题网页

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LED驱动器IC | LED Driver IC with under voltage lock out | Macroblock Inc.