RHM4900

预发布

Quad, 40VIN, Silent Switcher μModule Regulator with Configurable 3A Output Array

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产品技术资料帮助

ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许，也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。

概述

  • No single-event latchup (SEL) ≤40.8MeV linear energy transfer (LET), up to 15VIN
  • 75krads maximum total ionizing dose (TID) available
  • Wafer diffusion lot traceability, radiation monitoring for SEL, TID, and outgassing characterization
  • Commercial space low (CSL) production flow
  • Four complete 3A (4A peak) step-down switching power supplies
  • Low noise Silent Switcher® architecture
  • Compliant with CISPR22 Class B/CISPR25 Class 5
  • Wide input voltage range: 3V to 40V
  • Wide output voltage range: 0.8V to 8V
  • 4A continuous output current per channel at 12VIN, 3.3VOUT, fSW = 2MHz, TA = 60°C
  • Multiphase or multi-μModule® parallelable for increased output current
  • 165-Lead, 16mm × 11.9mm × 3.32mm, BGA package
RHM4900
Quad, 40VIN, Silent Switcher μModule Regulator with Configurable 3A Output Array
RHM4900 Typical Application RHM4900 -Simplified Block Diagram RHM4900 Pin Configuration RHM4900 Chip Illustration
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工具及仿真模型

LTspice

LTspice中提供以下器件型号：

  • RHM4900
  • RHM4900-1
LTspice

LTspice®是一款强大高效的免费仿真软件、原理图采集和波形观测器，为改善模拟电路的仿真提供增强功能和模型。

评估套件

eval board
schematic 1
schematic 2
schematic 3
EVAL-RHM4900-AZ

RHM4900: Quad, 40VIN, 3A Silent Switcher μModule Regulator

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特性和优点

  • Optional Circuitry for Parallel Operation
  • Input EMI Filter (VEMI)

产品详情

The EVAL-RHM4900-AZ evaluation board features the RHM4900, a quad output, high-performance, step-down Silent Switcher® power μModule® regulator in a thermally-enhanced 16mm × 11.9mm × 3.32mm, ball-grid array (BGA) package. The EVAL-RHM4900-AZ has a wide operating input voltage range of 5.4V to 40V. The output rails are configured for 5V, 3.3V, 1.5V, and 1.2V. They are resistor programmable from 0.8V to 8V. Each output can provide up to 3A, and phases can also be paralleled together to satisfy higher rail current requirements.

The RHM4900 is a complete multi-output, DC-to-DC, point-of-load (POL) regulator in a compact form factor, requiring only a few input and output capacitors and resistors to set the output voltages and operating frequency. Output voltage tracking is made available by the TRSS pins for supply rail sequencing. External clock synchronization is available through the SYNC pins.

The CLKOUT pins provide for the optional synchronization of additional phases. For reduced noise, spread-spectrum operation is available through the SYNC pin programming. The RHM4900 data sheet must be read in conjunction with this user guide for working on or modifying the EVAL-RHM4900-AZ.
EVAL-RHM4900-AZ
RHM4900: Quad, 40VIN, 3A Silent Switcher μModule Regulator
EVAL-RHM4900-AZ Top Angle Evaluation Board EVAL-RHM4900-AZ Top Evaluation Board EVAL-RHM4900-AZ Bottom Evaluation Board

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