OB3375 昂宝降压型准谐振DCDC驱动芯片，OB3375CPA 高性价比，宽输入、输出电压范围，高效率、低系统成本，优异电磁兼容性，多种MOSFET内置驱动芯片。OB3375 OB3375CPA-H OB3375PCP-E 系列型号。OB3375 采用峰值电流模式以满足宽输入、输出电压范围，从而达到高效率、低系统成本及很好的电磁兼容性。OB3375支持PWM调光和PWM转模拟调光两种调光模式，可以轻松达到1%~100%的调光范围；同时提供完善的保护功能，包括：LED开路保护、LED短路保护、LED负对地短路保护、降压驱动电感/二极管短路保护、降压驱动MOSFET短路保护、芯片过温保护等。在驱动发生异常时，OB3375在自身可靠保护的同时，提供异常输出信号告知前级ACDC电源，保证电源系统的可靠性。OB3375也有MOSFET内置驱动芯片，包含100V/150V/200V多种MOSFET规格，可以驱动32寸~65寸TV，进一步节省了PCB空间，降低系统成本。
驱动芯片供应：0755-82584090、134 1845 9109（微信同号）力索 微电子.
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