HM6288 datasheet(7/8 Pages) HMSEMI

No de pièce	HM6288

Description	Built-in 60V power MOS step-up LED constant current driver

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Fabricant	HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]

Site Internet	http://www.hmsemi.com/

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HM6288

内置 60V 功率 MOS 升压型 LED 恒流驱动器

其中

VDD取 5.5V, IVDD典型值取 2mA，VIN为输入电压。当开关频率设置的较高时，芯片工作

电流会增大，相应地应减小供电电阻取值。

芯片内部接

VDD脚的稳压管最大钳位电流不超过 10mA，应注意RVDD的取值不能过小，以

免流入

VDD的电流超过允许值，否则需外接稳压管钳位。

过温保护

当芯片温度过高时，系统会限制输入电流峰值，典型情况下当芯片内部温度超过

135 度以

上时，过温调节开始起作用：随温度升高输入峰值电流逐渐减小，从而限制输入功率，增强系

统可靠性。

Numéro de pièce similaire - HM6288

Fabricant	No de pièce	Fiches technique	Description
Shenzhen Huazhimei Semi...	HM6288A	719Kb / 8P	Built-in 60V power MOS boost LED constant current driver

Fabricant	No de pièce	Fiches technique	Description
Shenzhen Huazhimei Semi...	HM6287	458Kb / 8P	Built-in 100V power MOS step-up LED constant current driver
	HM6288A	719Kb / 8P	Built-in 60V power MOS boost LED constant current driver
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Bright Power Semiconduc...	BP1601	736Kb / 10P	Step-up Constant Current LED Driver
Shenzhen Huazhimei Semi...	HM6289	491Kb / 8P	Step-up LED constant current driver
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	HM9818B	640Kb / 5P	Built-in MOS average current type LED buck constant current driver