集成PWM调光和单线调光WLED升压驱动器

EUP2961A是一款专为白光LED设计的升压型恒流驱动器. 通过内置40V功率管，使得EUP2961A能驱动单串10LEDs串连负载，从而保证所有LED电流相同。EUP2961A工作在1.2MHz震荡频率和1.3A电流极限，也能用于通用型的高亮度LED照明。如典型应用电路所示，EUP2961A回馈电压为200/mV，通过回馈电阻可以设置LED最大输出电流。在工作过程中,EN引脚可以以两种调光方式对EUP2961A的工作电流进行控制。一是PWM调光方式，通过外加在EN端8KHz 或更高频率的PWM调光信号，PWM调光信号的占空比决定反馈电压的大小。二是数字调光方式，通过在EN端集成一个单线接口 ‧2.7V～5.5V输入电压\n‧38V过压保护\n‧集成40VNMOS功率管\n‧内置软启动\n‧单线协议提供32阶LED电流调节\n‧PWM调光频率范围：8KHz~300KHz\n‧过温保护\n‧输入欠压锁定\n‧2mm×2mm TDFN-6封装\n‧符合RoHS规范及Pb-Free;

White LED Boost Converter with PWM

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HIGH-CURRENT HALF-BRIDGE PRINTHEAD/MOTOR DRIVER.WITH INTERNAL CURRENT SENSING AND CONTROL

HIGH-CURRENT HALF-BRIDGE PRINTHEAD/MOTOR DRIVER—WITH INTERNAL CURRENT SENSING AND CONTROL The UDN2961B and UDN2961W are 3.4 A half bridges designed specifically for driving solenoid printheads, stepper motors, and dc motors. The UDN2961B/W consists of a power source driver output, a power sin

Precision Log Ratio Amplifier

Description The LSP2961 is a single-channel precision logarithm and log ratio integrated circuit powered by +5 V and –5 V power supplies. The voltage output of the amplifier is a logarithmic function of the ratio of a reference current (IREF) over the input current (IIN). The scale factor is set

HIGH-CURRENT HALF-BRIDGE PRINTHEAD/MOTOR DRIVER.WITH INTERNAL CURRENT SENSING AND CONTROL

HIGH-CURRENT HALF-BRIDGE PRINTHEAD/MOTOR DRIVER—WITH INTERNAL CURRENT SENSING AND CONTROL The UDN2961B and UDN2961W are 3.4 A half bridges designed specifically for driving solenoid printheads, stepper motors, and dc motors. The UDN2961B/W consists of a power source driver output, a power sin

HIGH-CURRENT HALF-BRIDGE PRINTHEAD/MOTOR DRIVER.WITH INTERNAL CURRENT SENSING AND CONTROL

HIGH-CURRENT HALF-BRIDGE PRINTHEAD/MOTOR DRIVER—WITH INTERNAL CURRENT SENSING AND CONTROL The UDN2961B and UDN2961W are 3.4 A half bridges designed specifically for driving solenoid printheads, stepper motors, and dc motors. The UDN2961B/W consists of a power source driver output, a power sin

High Performance CMOS 5 x 7 Alphanumeric Displays

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