Controllers | ADP3293

同步降压控制器，8 位，可编程，2-3 相

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ADP3293 是一款高能效、多相位、同步降压开关稳压器控制器，适用于将 12 V 主电源转换为高性能 Intel 处理器芯的电源电压。它使用内部 8 位 DAC 直接从处理器读取电压标识 (VID) 码，用于设置 0.5 V 到 1.6 V 之间的输出电压。此器件使用多模式控制结构来驱动逻辑级 PWM 输出。开关频率可根据 VR 尺寸和能效进行编程。该芯片可提供 2 相或 3 相运行，实现最多四个互补降压开关级的结构。ADP3293 还包括可编程的无负载偏移和负载线路斜率设置功能，作为负载电流的函数调节输出电压，适用于针对系统瞬变进行放置。ADP3293 还提供准确可靠的短路保护、可调节电流限值以及延迟的电源正常输出，可适应 CPU 所需的临时输出电压变化。

  • Intel Desktop/Server PC power supply
  • VRM module
  • Desktop/server processor
  • GPU
  • Selectable 2-,or 3-Phase operation at up to 1MHz
  • +/-7mV worse-case differential sensing error
  • Logic-level PWM outputs for interface to external high power drivers
  • Fast-Enhanced PWM Flexmode
  • TRDET function
  • Active current balancing
  • Build-in Power-Good/Crowbar blanking
  • Digitally programmable 0.5V to 1.6V output
  • Programmable Over-Current protection with programmable latch-off delay

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ADP3293JCPZ-RL

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Obsolete

CAD Model

Pb

A

H

P

LFCSP-40

932AC

3

260

REEL

2500

N

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2/3

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6

14.5

100 - 1000

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