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Maxim产品 - MAX15112介绍

MAX15112 - 高效、12A、电流模式同步整流降压转换器，内置开关

MAX15112是Maxim美信半导体公司的一款DC-DC开关调节器产品，MAX15112是高效、12A、电流模式同步整流降压转换器，内置开关，本站介绍了MAX15112的封装应用图解、特点和优点、功能等，并给出了与MAX15112相关的Maxim元器件型号供参考。

MAX15112 - 高效、12A、电流模式同步整流降压转换器，内置开关 - DC-DC开关调节器 - 尺寸最小(2mm x 3mm)的12A、DC-DC转换器方案，内置MOSFET - 美信半导体

产品概述

The MAX15112 high-efficiency, current-mode step-down regulator with integrated power switches operates from 2.7V to 5.5V and delivers up to 12A of output current in a small 2mm x 3mm package. The MAX15112 offers excellent efficiency with skip mode capability at light-load conditions,yet provides unmatched efficiency under heavy load conditions. The combination of small size and high efficiency makes this device suitable for both portable and nonportable applications.

The MAX15112 utilizes a current-mode control architecture with a high-gain transconductance error amplifier, which allows a simple compensation scheme and enables a cycle-by-cycle current limit with fast response to line and load transients. A factory-trimmed switching frequency of 1MHz (PWM operation) allows for a compact, all-ceramic capacitor design.

Integrated switches with low on-resistance ensure high efficiency at heavy loads while minimizingcritical inductances. The MAX15112’s simple layout and footprint assure first-pass success in new designs.

Other features of the MAX15112 include a capacitor-programmable soft-start to reduce inrush current, safe startup into a prebiased output, an enable input, and a power-good output for power sequencing.

The regulator is available in a 24-bump (4 x 6), 2.1mm x 3.05mm WLP package, and is fully specified over the -40°C to +85°C extended temperature range.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • Continuous 12A Output Current
  • ±1% Feedback Accuracy Over Load, Line, and Temperature
  • Operates from 2.7V to 5.5V Supply
  • Input Undervoltage Lockout
  • Adjustable Output Range from 0.6V Up to 0.94 x VIN
  • Programmable Soft-Start
  • Factory-Trimmed 1MHz Switching Frequency
  • Stable with Low-ESR Ceramic Output Capacitors
  • Safe-Startup into a Prebiased Output
  • External Reference Input
  • Selectable Skip Mode Option for Improved Efficiency at Light Loads
  • Enable Input/PGOOD Output Allows Sequencing
  • Remote Ground Sense for Improved Accuracy
  • Thermal and Overcurrent Protection
  • Tiny 2.10mm x 3.05mm, 24-Bump WLP Package
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