DC DC和AC DC LED驱动 HV9961

更新时间:2016-04-08 16:16:33 信息编号:4508387 发布者IP:219.133.171.31 浏览:133次
供应商
深圳市森利威尔电子有限公司 商铺
认证
资质核验:
已通过营业执照认证
入驻顺企:
9
主体名称:
深圳市森利威尔电子有限公司
组织机构代码:
91440300593014829C
报价
人民币¥.10元每个
品牌
HV
型号
HV9961
关键词
DC-DC,AC-DC,LED驱动
所在地
深圳市宝安区三十区诺铂广场
联系电话
0755-26786865
手机号
13537575802
联系人
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产品详细介绍

 General Description
       The HV9961 is an average current mode control LED driver IC operating in a constant off-time mode. Unlike HV9910B, this control IC does not produce a peak-to-average error, and therefore greatly improves accuracy, line and load regulation of the LED current without any need for loop compensation or high-side current sensing. The output LED current accuracy is ±3%. 
        The IC is equipped with a current limit comparator for hiccup-mode output short circuit protection.
        The HV9961 can be powered from an 8.0 - 450V supply. A PWM dimming input is provided that accepts an external control TTL compatible signal. The output current can be programmed by an internal 275mV reference, or controlled externally through a 0 - 1.5V dimming input.
        HV9961 is pin-to-pin compatible with HV9910B and it can be used as a drop-in replacement for many applications to improve the LED current accuracy and regulation.

Features
Fast average current control
Programmable constant off-time switching
Linear dimming input
PWM dimming input
Output short circuit protection with skip mode
Ambient operating temperature -40OC to +125OC
Pin-compatible with  the HV9910B


Applications
DC/DC or AC/DC LED driver applications
LED backlight driver for LCD displays
General purpose constant current source
LED signage and displays 
Architectural and decorative LED lighting
LED street lighting

相关产品:DC-DC , AC-DC , LED驱动
所属分类:中国电子元件网 / 其他IC
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