WMSIC Electronic Components

ON NL27WZ17DFT2G

ModelNL27WZ17DFT2G
PackageSC-70-6(SOT-363)
BrandON
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
ON NL27WZ17DFT2G
Type
ON
Unit
Electronic Component
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
ON
Electronic Component
NL27WZ17DFT2G
Electronic Component
1
Package
SC-70-6(SOT-363)
Electronic Component
Buffers / Drivers / Transceivers
Electronic Component
27WZ
Electronic Component
0.032g
Electronic Component
2
Electronic Component
1
Electronic Component
BM0227756839
Operating Temperature
55℃~+125℃
Operating Voltage
1.65V~5.5V
Type
Flip-Flop
Output Type
Electronic Component

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

NL27WZ17DFT2G 产品概述

一、产品概览

NL27WZ17DFT2G 是安森美(ON Semiconductor)推出的一款双通道非反相施密特触发缓冲器,采用 CMOSTechnology 设计,封装为 SC-70-6(SOT-363)小封装。每个元件为单比特输入/输出,输入带施密特触发特性以增强对噪声的抗扰能力,输出为推挽式(push-pull)结构,具备良好的驱动能力和快速响应特性。整器件适用于电源电压范围宽(1.65V 至 5.5V),适合多种低压与传统 5V 系统互联的场景。

二、主要参数要点

  • 输入类型:施密特触发器(Schmitt Trigger)
  • 输出类型:推挽式(Push‑Pull)
  • 通道数:2(每个元件 1 位)
  • 工作电压范围:1.65 V ~ 5.5 V
  • 静态电流(Iq):典型 10 μA(功耗极低,适合电池供电系统)
  • 输出驱动能力:灌电流 IOL = 32 mA,拉电流 IOH = 32 mA
  • 传播延迟(tpd):3.7 ns(在 5.0 V、负载 50 pF 测试条件下)
  • 工作温度范围:-55 ℃ ~ +125 ℃
  • 封装:SC-70-6(SOT-363)、6 引脚
  • 系列:27WZ(性能与家族兼容性参考)

三、功能说明与电气表现理解

  1. 施密特触发输入:内部含有阈值滞后(hysteresis),对输入信号的上升/下降噪声有抑制作用,避免因慢沿或抖动产生多次切换,常用于去抖、慢沿整形或对抗干扰的数字输入。
  2. 推挽输出:既能源端拉高也能拉低输出,相比开漏结构无需外部上拉即可驱动负载;对称的 32 mA 驱动能力允许直接驱动小电流负载或作为总线缓冲。
  3. 宽电源范围:1.65 V 至 5.5 V 的工作电压覆盖常见的 1.8 V、2.5 V、3.3 V 和 5 V 系统,便于在多电压系统中复用同一器件。
  4. 低静态电流:典型 10 μA 的静态电流非常适合功耗敏感应用(例如便携设备、传感节点),在待机时耗电少。
  5. 快速响应:在 5.0 V、50 pF 负载条件下 tpd 约 3.7 ns,适用于高速数字信号缓冲和边沿整形场合。

四、典型应用场景

  • 数字信号整形与去抖:处理来自按键、传感器或外部器件的慢沿或有毛刺的信号。
  • 逻辑缓冲与接口驱动:在多电压系统中作为接口缓冲器,增强驱动能力并隔离源器件。
  • 总线驱动与级联:为下一级逻辑或驱动器提供稳定的驱动能力,减少信号串扰。
  • 微控制器输入保护:为 MCU 的数字输入引脚提供稳固的阈值和噪声抑制。
  • 小功率指示灯或小负载驱动:在满足热限与功耗要求下,可直接驱动小电流 LED 或指示负载。

五、封装与布局、热管理注意事项

  • 封装为 SC-70-6(SOT-363),体积小,适合空间受限的便携装置与高密度 PCB 布局。小封装热阻相对较大,长时间大电流工作时需注意软件/硬件上的热管理。
  • PCB 布局建议:
    • 在 VCC 和 GND 引脚附近放置去耦电容(例如 0.1 μF)并尽量靠近器件引脚焊盘以降低寄生电感。
    • 输出驱动较大的负载时,为输出引脚与负载之间留出合适铜厚,避免温度过高。
    • 对高速信号线采用短走线和适当阻抗控制,必要时在信号线上串联微欧级串阻以限制瞬态冲击电流并抑制振铃。
  • 温度与可靠性:器件额定工作温度覆盖 -55 ℃ 至 +125 ℃,适合工业及汽车级温度范围应用,但在高温与高负载组合下需评估功耗与热升以保证长期可靠性。

六、设计与使用建议

  • 输入端若有较高噪声或长线连接,优先利用器件的施密特特性,同时在输入端增加 RC 低通或匹配阻抗以进一步抑制干扰。
  • 当输出频繁驱动接近 32 mA 的负载时,应验证功耗和结温,必要时将驱动任务分配到多个通道或在硬件上增加并联/驱动放大器。
  • 采用稳健的去耦与电源滤波设计可显著提升信号完整性与降低电磁干扰风险。
  • 在上板验证阶段,关注传播延迟和上/下沿时间,以确保在目标系统时序预算内稳定工作。

七、订购与替代参考

  • 型号:NL27WZ17DFT2G,制造商:ON Semiconductor(安森美)。
  • 在选型时,如需不同封装、不同通道数或更高驱动能力,可参考同系列或其他逻辑缓冲器件作对比,但推荐基于实际电流、温度与封装约束进行验证。

八、总结

NL27WZ17DFT2G 提供了小体积、低功耗、宽电压范围与施密特触发输入的组合,适合在空间和功耗受限但仍需可靠逻辑整形与驱动能力的场景中使用。凭借 32 mA 的对称驱动能力和纳秒级延迟,该器件在去抖、信号缓冲与数字接口应用中具有良好的实用性。使用时请关注 PCB 去耦、热管理以及负载条件下的电流/温度约束,以保证长期稳定运行。

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