厂商 ：广州市云飞电子科技有限公司
广东 广州- 主营产品：
- microchip
- STC
- SST
联系电话 ：13660603466
商品详细描述
General Description
The RT8450/B is a current mode PWM regulator for LED driving applications. With an 1.5A switch on board and wide input (4.5V to 40V) and/or output (up to 50V)ranges the RT8450/B can operate in any of the three common topologies : Buck, Boost or Buck-Boost.
With 800k/500kHz operating frequency, the external PWM inductor and input/output capacitors can all be small. High efficiency is achieved by a 190mV current sensing.
Dimming can be done either analog or PWM signal. An unique built-in clampping comparator and filtering resistor allow easy low noise analog dimming conversion from PWM signal with only one external capacitor.
The RT8450/B is available in a TSSOP-16 (Exposed Pad) and WDFN-12L 3x3 packages.
这RT8450 / B是当前一个LED驱动模式PWM调节阀的应用。与一个1.5上的开关板和宽输入(4.5 V ~ 40 V)和/或输出(高达50 V)范围的RT8450 / B能操作的三个常见的拓扑结构:巴克,促进或之。
800 k / 500千赫的操作频率,外部PWM电感和输入/输出电容都是很小的。效率高是达到190毫伏电流感应。
模糊可以做类比或PWM信号。一个独特的矿床
The RT8450/B is a current mode PWM regulator for LED driving applications. With an 1.5A switch on board and wide input (4.5V to 40V) and/or output (up to 50V)ranges the RT8450/B can operate in any of the three common topologies : Buck, Boost or Buck-Boost.
With 800k/500kHz operating frequency, the external PWM inductor and input/output capacitors can all be small. High efficiency is achieved by a 190mV current sensing.
Dimming can be done either analog or PWM signal. An unique built-in clampping comparator and filtering resistor allow easy low noise analog dimming conversion from PWM signal with only one external capacitor.
The RT8450/B is available in a TSSOP-16 (Exposed Pad) and WDFN-12L 3x3 packages.
这RT8450 / B是当前一个LED驱动模式PWM调节阀的应用。与一个1.5上的开关板和宽输入(4.5 V ~ 40 V)和/或输出(高达50 V)范围的RT8450 / B能操作的三个常见的拓扑结构:巴克,促进或之。
800 k / 500千赫的操作频率,外部PWM电感和输入/输出电容都是很小的。效率高是达到190毫伏电流感应。
模糊可以做类比或PWM信号。一个独特的矿床
相关产品推荐
