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MAX17292

MAX17292

2.5V to 36V, 2.5MHz, PWM Boost Controller with 4μA Shutdown Current and Reduced EMI

High-Voltage Boost Controller Enables Small Solution Size

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概述

说明

The MAX17290/MAX17292 high-efficiency, synchronous step-up DC-DC controllers operate over a 4.5V to 36V input voltage range with 42V input transient protection. The input operating range can be extended to as low as 2.5V in Bootstrapped mode.

The MAX17290 and MAX17292 use a constant-frequency, pulse-width modulating (PWM), peak current-mode control architecture. There are multiple versions of the devices offering one or more of the following functions: a synchronization output (SYNCO) for 180° out-of-phase operation, an overvoltage protection function using a separate input pin (OVP), and a reference input pin (REFIN) to allow on-the-fly output voltage adjustment.

The MAX17290 and MAX17292 operate in different frequency ranges. All versions can be synchronized to an external master clock using the FSET/SYNC input.

The devices are available in a compact 12-pin (3mm x 3mm) TQFN and 10-pin μMAX packages. Both packages have exposed pads. -40°C to +85°C Operation.
MAX17290, MAX17292: Functional Diagram MAX17290, MAX17292: Functional Diagram 放大+

关键特性

  • Reduces Solution Size and Cost
    • All-Ceramic Capacitor Solution Allows Ultra-Compact Solution Size
    • 100kHz to 1MHz (MAX17290) and 1MHz to 2.5MHz (MAX17292) Switching-Frequency with External Synchronization
  • Increases Design Flexibility
    • Bootstrapped Mode Allows Input Voltage to be 2.5V
    • Adjustable Slope Compensation
  • Reduces Power Dissipation
    • >90% Peak Efficiency
    • Low 4μA (typ.) Shutdown Current
  • Operates Reliably
    • 42V Input Voltage Transient Protection
    • Fixed 9ms Internal Software Start Reduces Input Inrush Current
    • PGOOD Output and Hiccup Mode for Enhanced System Protection
    • Overtemperature Shutdown
    • Reduced EMI Emission with Spread-Spectrum Control

应用

  • 配电稳压器
  • 通用负载点电源
  • null
  • 电信硬件

参数规格

Part NumberVIN
(V)		VIN
(V)		Output Adjust. MethodSwitch TypePower Good SignalICC
(mA)		Shutdown Mode Supply Current
(µA)		Shutdown Mode Supply Current
(µA)		DC-DC OutputsOper. Freq.
(kHz)		Design ToolsPackage/PinsBudgetary
Price
minmaxtyptypmaxSee Notes
MAX17290 2.536ResistorExternalYes0.754711000EE-Sim
TQFN-CU/12
UMAX/10
$1.66 @1k
MAX17292 1.252500
TQFN-CU/12
UMAX/10
$1.78 @1k
查看所有Step-Up Switching Regulators (96)
Pricing Notes:
价格仅供参考，用于同类产品的比较。所提供报价为美元，需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题，请参考：价格与供货网站或与指定代理商联系。

设计资源


MAX17290EVKIT: Evaluation Kit for the MAX17290
MAX17292EVKIT: Evaluation Kit for the MAX17292

质量和环境数据

申请可靠性报告: MAX17292 
无铅封装的锡（Sn）晶须报告

工具和模型

  • EE-Sim: MAX17292 设计和仿真
  • MAX17292 SIMPLIS Schematic

    •

    质量与环境

    型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C  

    备注： 通过技术手段对故障率进行汇总，并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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    工具和模型

    参考设计

    类型 编号 标题
    评估板9258MAX17292EVKIT Evaluation Kit for the MAX17292
    评估板9257MAX17290EVKIT Evaluation Kit for the MAX17290