4.5V to 28V Input, Synchronous PWM Buck Controllers for DDR Termination and Point-of-Load Applications

General Description The MAX8553 is a 4.5V to 28V input-voltage, synchronous step-down controller that provides a complete power-management solution for DDR memory. The MAX8553 generates 1/2 VREFIN voltage for VTT and VTTR. The VTT and VTTR tracking voltages are maintained within 1 of 1/2 VREFIN.

4.5V至28V输入、同步PWM buck控制器，适合DDR端接和负载点应用

MAX8553为4.5V至28V输入、同步降压型控制器，为DDR存储器提供完整的电源管理方案。MAX8553为VTT和VTTR提供1/2 VREFIN电压。VTT和VTTR跟踪电压保持在1%的1/2 VREFIN范围内。MAX8554为4.5V至28V输入、非跟踪降压型控制器，具有极低的0.6V反馈门限电压。MAX8553/MAX8554采用Maxim专有的Quick-PWM™结构，以提供快速的瞬态响应和工作于可选的非固定频率。这两个控制器工作时均无须外部偏置电源。\n\n 该类控制器工作于同步整流模式，以保证高达25A的平衡源出电流和吸流能力。MAX8553/MAX8554 • 高达25A的输出电流能力\n• Quick-PWM控制结构提供快速的环路响应 \n• 高达95%的效率\n• 4.5V至28V输入电压范围\n• 无需外部偏置电源 \n• 0至3.6V输入REFIN电压范围(MAX8553) \n• 自动设置VTT和VTTR至±1% 1/2 VREFIN- (MAX8553) \n• 极低的0.6V反馈门限电压(MAX8554) \n• 200kHz/300kHz/400kHz/550kHz可选开关频率\n• 可调的折返电流限制\n• 过压保护\n• 数字软启动;

4.5V to 28V Input, Synchronous PWM Buck Controllers for DDR Termination and Point-of-Load Applications

General Description The MAX8553 is a 4.5V to 28V input-voltage, synchronous step-down controller that provides a complete power-management solution for DDR memory. The MAX8553 generates 1/2 VREFIN voltage for VTT and VTTR. The VTT and VTTR tracking voltages are maintained within 1 of 1/2 VREFIN.

Dual, 5A, 1.5MHz Step-Down Regulator with Integrated High-Side Switches

General Description The MAX8653 dual-output, synchronous, step-down regulator contains low RDS(ON) integrated high-side MOSFET switches for ease of layout and achieving small footprints. Each output delivers up to 5A. The output voltage is adjustable down to 0.6V and operates from a 9V to 14V inp

4.5V to 28V Input, Synchronous PWM Buck Controllers for DDR Termination and Point-of-Load Applications

General Description The MAX8553 is a 4.5V to 28V input-voltage, synchronous step-down controller that provides a complete power-management solution for DDR memory. The MAX8553 generates 1/2 VREFIN voltage for VTT and VTTR. The VTT and VTTR tracking voltages are maintained within 1 of 1/2 VREFIN.

封装/外壳：16-SSOP（0.154"，3.90mm 宽） 包装：管件 描述：IC REG CTRLR DDR 1OUT 16QSOP 集成电路（IC） 特殊用途稳压器

封装/外壳：16-SSOP（0.154"，3.90mm 宽） 包装：卷带（TR） 描述：IC REG CTRLR DDR 1OUT 16QSOP 集成电路（IC） 特殊用途稳压器

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