恒流驱动

SS8105 是一款内置 MOSFET、高边采样、共阴极、高效率、恒流降压型同步半桥 DC/DC 转换器驱动芯片，内置 15mo 高性能 MOSFET。SS8105 采用迟滞式恒定关断时间的工作模式，无需外部补偿设计。最大简化外部器件，其输出电流能力既可以通过不同阻值的外接电阻(Rcs)调整，也可以通过调节模拟调光控制引脚 ADIM 上的电压来实现。针对低灰度调光特性进行系统运算优化，实现在高刷新率调光状态下低灰调光无抖动及闪烁，使光源有更好的线性度调光特性。并可实现低纹波设计应用。数字 PWM 及线性模拟调光双重控制并存，可执行独立调光电流控制，可实现 0.01%步进调光;模拟调光( 输入电压范围:8V~40V\n最大持续输出驱动电流 8A\nPWM 调光特征\n- 并联调光模式 200K:1或更高\n- 标准调光模式 100K:1\n- 模拟调光比 250:1\n工作频率可通过 ToF 调整\n良好的调光线性度\n低输出纹波\n封装:QFN20,5*5mm\n保护特征\n- VCC 欠压锁定\n- OCP 过流保护\n- OTP 过热保护\n- OSP 输出短路保护\n- OVP 开路保护\n-采样电阻短路保护\n\n\n;

6-Pin DIP Optoisolators for Power Supply Applications(No Base Connection)

6-Pin DIP Optoisolators for Power Supply Applications(No Base Connection) The MOC8101, MOC8102, MOC8103, MOC8104 and MOC8105 devices consist of a gallium arsenide LED optically coupled to a silicon phototransistor in a dual–in–line package. • Closely Matched Current Transfer Ratio (CTR) Minimize

400 MHz QUADRATURE MODULATOR FOR DIGITAL MOBILE COMMUNICATION

DESCRIPTION The µPC8105GR is a sillicon monolithic integrated circuit designed as quadrature modulator for digital mobile communication systems. This modulator housed in a 16 pin plastic SSOP that is easy to install and contributes to miniaturizing the system. The device has power save function

UP-CONVERTER WITH AGC FUNCTION QUADRATURE MODULATOR IC FOR DIGITAL MOBILE COMMUNICATION SYSTEMS

DESCRIPTION The UPC8125GR is a Silicon MMIC manufactured with the NESAT IIITM silicon bipolar process. The IC consists of a 1.8 - 2.0 GHz upconverter with AGC function and a 220 - 270 MHz IQ modulator. The device operates over a wide 2.7 - 5.5 V supply voltage range and features a power save func

UP CONVERTER WITH AGC FUNCTION QUADRATURE MODULATOR IC FOR DIGITAL MOBILE COMMUNICATION SYSTEMS

DESCRIPTION The µPC8129GR is a silicon monolithic integrated circuit designed as indirect quadrature modulator for digital mobile communication systems. This modulator consists of 0.8 GHz to 1.9 GHz up-converter and 100 MHz to 400 MHz quadrature modulator which are packaged in 20 pin SSOP. The de

Single Chip Transceiver Silicon MMIC for PHS

DESCRIPTION The µPC8139GR-7JH is a silicon microwave monolithic IC (SiMMIC) developed as a transceiver for Personal Handyphone System (PHS). This IC is a highly integrated single chip, suitable for PHS, including a quadrature modulator, up converter, and AGC circuit for adjusting the output leve