Geri dön - Analog Devices Inc.

Analog Devices / Maxim Integrated MAX20812 Step-Down Switching Regulator

Analog Devices Inc. MAX20812 Step-Down Switching Regulator has an input voltage range of 2.7V to 16V and a 500kHz to 3MHz configurable switching frequency. ADI MAX20812 delivers up to 6A of load current per output. The two outputs can be connected in parallel as a single-output, dual-phase regulator that supports up to 12A load current.

ADI MAX20812 Step-Down Switching Regulator utilizes fixed-frequency, current-mode control with internal compensation. The dual-switching regulators operate at 180° out-of-phase. The MAX20812 features a selectable advanced modulation scheme (AMS) to provide improved dynamic load transient performance.

Additionally, the device also offers selectable discontinuous current mode (DCM) operation to improve light-load efficiency. Operation settings and configurable features are selected by connecting pin-strap resistors from the PGM_ pins to ground.

The MAX20812 integrates multiple protections, including positive and negative overcurrent, output overvoltage, and overtemperature protection. These features are integrated into a compact 3.5mm x 4.6mm FC2QFN package.

Features

  • High power density with low component count
    • Dual-output or dual-phase operation
    • Single-supply operation with integrated LDO for bias generation
    • Optional 2.5V to 5.5V external bias for higher efficiency
    • Compact 3.5mm x 4.6mm, 21-Pin, FC2QFN package
    • Internal compensation
  • Wide operating range
    • 2.7V to 16V Input voltage range
    • 0.5V to 5.8V Output voltage range
    • 500kHz to 3MHz Configurable switching frequency
    • -40°C to +125°C Junction temperature range
    • Three pin-strap programming pins to select different configurations
    • Independent enable and power good for each output
  • Optimized performance and efficiency
    • 92.5% Peak efficiency with VDDH = 12V, VOUT = 1.8V, and fSW = 1MHz
    • Interleaved 180° out-of-phase operation
    • Selectable AMS to improve load transient
    • Selectable DCM to improve light load efficiency
    • Active current balancing for dual-phase operation

Applications

  • Communications equipment
  • Networking equipment
  • Servers and storage equipment
  • Point-of-load voltage regulators
  • µP Chipsets
  • Memory VDDQ
  • I/O Pins of an FPGA/DSP/MCU

Associated Kit

Analog Devices / Maxim Integrated MAX20812 Evaluation Kit

A reference platform designed to evaluate the MAX20812, a dual-output, DC-DC switching regulator IC.

Learn MoreAnalog Devices / Maxim Integrated MAX20812 Evaluation Kit hakkında View ProductsAnalog Devices / Maxim Integrated MAX20812 Evaluation Kit ile ilgili

Simplified Application Circuits

Application Circuit Diagram - Analog Devices / Maxim Integrated MAX20812 Step-Down Switching Regulator

Block Diagram

Block Diagram - Analog Devices / Maxim Integrated MAX20812 Step-Down Switching Regulator
Yayınlandı: 2021-05-06 | Güncellenmiş: 2023-04-13