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MAX16052, MAX16053
高压、可调节排序/监控电路

最简单的复位和监控电路,能够工作在高压,可灵活调节


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概述
完整的数据资料 (PDF, 144kB)
英文 Download this datasheet in PDF format下载

The MAX16052/MAX16053 are a family of small, lowpower, high-voltage monitoring circuits with sequencing capability. These miniature devices offer very wide flexibility with an adjustable voltage threshold and an external capacitor-adjustable time delay. These devices are ideal for use in power-supply sequencing, reset sequencing, and power switching applications.

Multiple devices can be cascaded for complex sequencing applications. A high-impedance input (IN) with a 0.5V threshold allows an external resistive divider to set the monitored threshold. The output (OUT) asserts high when the input voltage rises above the 0.5V threshold and the enable input (EN) is asserted high. When the voltage at IN falls below 0.495V or when the enable input is deasserted (EN = low), the output deasserts (OUT = low). The MAX16052/MAX16053 provide a capacitor programmable delay time from when the voltage at IN rises above 0.5V to when the output is asserted.

The MAX16052 offers an active-high open-drain output while the MAX16053 offers an active-high push-pull output. Both devices operate from a 2.25V to 16V supply voltage and feature an active-high enable input. The MAX16052/MAX16053 are available in a tiny 6-pin SOT23 package and are fully specified over the automotive temperature range (-40°C to +125°C).

关键特性   应用/使用
  • 1.8% Accurate Adjustable Threshold Over Temperature
  • Open-Drain (28V Tolerant) Output Allows Interfacing to 12V Intermediate Bus Voltage
  • Operates from VCC of 2.25V to 16V
  • Low Supply Current (18µA typ)
  • Capacitor-Adjustable Delay
  • Active-High Logic-Enable Input
  • Fully Specified from -40°C to +125°C
  • Small 6-Pin SOT23 Package

 
  • 汽车
  • 计算机/服务器
  • 高精度µP监控电路
  • 智能仪表
  • 医疗装置
  • 便携式设备
  • 机顶盒
  • 电信

    Key Specifications:   Sequencers/Trackers
    Part Number Option Interface Number of Input Channels Maximum Operating Voltage Range (V) Features Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C) Price**
    MAX16052  NEW! Sequence R/C Adjustable 1 <6
    >6
    Enable Input
    Reset Output
    SOT-23/6 9 -40 to +105
    -40 to +125
    -40 to +85
    0 to +70
    $0.85 @ 1k
    MAX16053  NEW! $0.85 @ 1k
    See All Sequencers/Trackers (52)

    Key Specifications:   Supervisors (1 Monitored Voltage)
    Part Number Reset Threshold Range (V) Active-Low Reset Output Min. Reset Timeout Range Watchdog Feature Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA) RoHS Available Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C) Price**
    MAX16052  NEW! 0 to 1.2
    1.2 to 1.8
    1.8 to 2.5
    2.5 to 3.3
    3.3 to 5.5
    >=5.5
    Open Drain 15ms to 85ms
    1ms to 15ms
    250ms to 450ms
    300ms to 1s
    85ms to 300ms
    <1ms
    Adjustable
    No Watchdog Adjustable Reset Input
    High Voltage (>6V)
    1.8 45 Yes SOT-23/6 9 -40 to +105
    -40 to +125
    -40 to +85
    0 to +70
    $0.85 @ 1k
    MAX16053  NEW! Push-Pull 60 $0.85 @ 1k
    See All Supervisors (1 Monitored Voltage) (268)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

    图表
    MAX16052,MAX16053:典型工作电路
    典型工作电路

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    参考文献: 19-4144; Rev. 0; 2008-05-15
    本页最后一次更新: 2008-05-15




             


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