Six-String White LED Driver with Active Current Balancing for LCD Panel Applications

General Description The MAX8790 is a high-efficiency driver for white light emitting diodes (LEDs). It is designed for large liquid crystal displays (LCDs) that employ an array of LEDs as the light source. A current-mode step-up controller drives up to six parallel strings of multiple series-conn

高效率、6串白光LED (WLED)驱动器，提供有效电流均衡，用于LCD平板显示器

MAX8790是一款高效白光发射二极管(LED)驱动器。该驱动器专为使用LED阵列作为光源的大型液晶显示器(LCD)设计。电流模式升压控制器可同时驱动具有多个LED串联的6串LED。每串LED都连接至恒流源可实现±1.5%的电流调节精度，以确保所有LED的亮度均匀。MAX8790工作于4.5V至26V宽输入电压范围，可为LED提供固定的20mA电流，或可调的15mA至25mA电流。\n MAX8790具有两种亮度调整控制模式，以适应各种应用。在直接DPWM模式下，PWM信号可直接接通或断开LED电流。在模拟亮度调整模式下，内置锁相环(PLL)电路首先将PWM信号转换为模拟信号，然后线性 \n• 可同时驱动并联的6串LED，每串可包含多个LED \n• LED串之间的电流调整精度为±1.5% \n• 满偏电流状态下，低至450mV的反馈电压有助于提高效率 \n• 升压控制器可将输出电压调整到刚好高于LED串所需的最高电压 \n• 满偏LED电流可在15mA至25mA范围内调节，或者预置为20mA \n• 可实现100:1的宽范围亮度调整 \n• 可编程亮度调整控制：直接DPWM模式或模拟亮度调整模式 \n• 内置锁相环可用于同步亮度调整控制 \n• LED开路和短路保护 \n• 输出过压保护 \n• 4.5V至26V宽输入电压范围 \n• 外部MOSFET允许每串包含大;

6串白光LED)驱动器，提供有效电流均衡，适用于LCD面板

MAX8790A是一款高效白光发光二极管(LED)驱动器。该驱动器专为采用LED背光的大规模液晶显示器(LCD)设计。电流模式升压控制器可同时驱动多个LED串联的6串LED。每串LED都连接至恒流源，可实现±1.5%的电流调节精度，确保均匀的LED亮度。MAX8790A工作于4.5V至26V宽输入电压范围，可为LED提供固定的20mA电流或可调的15mA至27mA电流。\n MAX8790A具有两种亮度调整控制模式，适合不同的应用。在直接DPWM模式下，PWM信号可直接接通或断开LED电流。在模拟亮度调整模式下，内置锁相环(PLL)电路首先将PWM信号转换成模拟信号，然后线性控制LED \n• LED串之间的电流调整精度为±1.5% \n• 升压控制器可将输出电压调整到刚好高于LED串所需的最高电压 \n• 可实现100:1的宽范围亮度调整 \n• 内置PLL可用于同步亮度控制 \n• 输出过压保护 \n• 外部MOSFET允许每串具有多个LED \n• 小型、20引脚、4mm x 4mm薄型QFN封装;

Six-String White LED Driver with Active Current Balancing for LCD Panel Applications

General Description The MAX8790A is a high-efficiency driver for white light emitting diodes (LEDs). It is designed for large liquid crystal displays (LCDs) that employ an array of LEDs as the light source. A current-mode step-up controller drives up to six parallel strings of multiple series-con

Six-String White LED Driver with Active Current Balancing for LCD Panel Applications

General Description The MAX8790A is a high-efficiency driver for white light emitting diodes (LEDs). It is designed for large liquid crystal displays (LCDs) that employ an array of LEDs as the light source. A current-mode step-up controller drives up to six parallel strings of multiple series-con

Six-String White LED Driver with Active Current Balancing for LCD Panel Applications

General Description The MAX8790 is a high-efficiency driver for white light emitting diodes (LEDs). It is designed for large liquid crystal displays (LCDs) that employ an array of LEDs as the light source. A current-mode step-up controller drives up to six parallel strings of multiple series-conn

封装/外壳：20-WFQFN 裸露焊盘 包装：管件 描述：IC LED DRVR CTRL PWM 27MA 20TQFN 集成电路（IC） LED 驱动器

MAX8790A Evaluation Kit

文件：177.4 Kbytes Page：11 Pages

包装：散装 描述：EVAL KIT FOR MAX8790A 开发板，套件，编程器 评估板 - LED 驱动器

60MHz / 4 (2-MODULUS EXTENDER)

60MHz÷4 (2-MODULUS EXTENDER) The SP8790 is a divide-by-four counter designed for use with 2-modulus dividers. It increases the minimum division ratio of the 2-modulus divider while retaining the same difference in division ratio. The device is suitable for use in low power frequency synthesis int

POWER ZENERS

DESCRIPTION One watt zener diodes, hermetically sealed in glass. FEATURES • High Surge Ratings • A Quarter the Size of Conventional 1Watt Zeners • Impervious to Moisture

8-bit, 40 Msps 2.7 to 5.5 V universal analog-to-digital converter

文件：142.17 Kbytes Page：20 Pages

8-bit, 40 Msps 2.7 to 5.5 V universal analog-to-digital converter

文件：142.17 Kbytes Page：20 Pages