MAX6326UR29

Ultra low power supervisory circuits
4,852 有效庫存

MAX6326UR29

有效庫存4,852

Ultra low power supervisory circuits

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MAX6326UR29 數據表

價格 (USD)

數量 單價 總價
1 $3.039 $3.04
200 $1.177 $235.40
692 $1.135 $785.42
1384 $1.114 $1,541.78

這些價格會受到市場波動的影響，需要提交報價才能取得最新價格。

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詳細說明

General DescriptionThe MAX6326/MAX6327/MAX6328/MAX6346/MAX6347/MAX6348 microprocessor (µP) supervisory circuits monitor the power supplies in µP and digital systems. These devices provide excellent circuit reliability and low cost by eliminating external components and adjustments when used with 2.5V, 3V, 3.3V, and 5V powered circuits.These circuits perform a single function: they assert a reset signal whenever the VCC supply voltage declines below a preset threshold, keeping it asserted for at least 100ms after VCC has risen above the reset threshold.The only difference between the devices is their output.The MAX6326/MAX6346 (push-pull) and MAX6328/MAX6348 (open-drain) have an active-low reset output.The MAX6327/MAX6347 have an active-high push-pull reset output. All of these parts are guaranteed to be in the correct state for VCC down to 1V. The reset comparator is designed to ignore fast transients on VCC. Reset thresholds are factory-trimmable between 2.2V and 4.63V, in approximately 100mV increments. Twenty-one standard versions are available. Contact the factory for availability of nonstandard versions.Ultra-low supply currents (1µA max for the MAX6326/MAX6327/MAX6328) make these parts ideal for use in portable equipment. All six devices are available in space-saving SOT23 and SC70 packages.Features♦ Ultra-Low 1µA (max) Supply Current (MAX6326/MAX6327/MAX6328)♦ Precision Monitoring of 2.5V, 3V, 3.3V, and 5V Power-Supply Voltages♦ Reset Thresholds Available from 2.2V to 4.63V♦ Fully Specified Over Temperature♦ 100ms (min) Power-On Reset Pulse Width♦ Low Cost♦ Available in Three Versions: Push-Pull RESET, Push-Pull RESET, and Open-Drain RESET♦ Power-Supply Transient Immunity♦ No External Components♦ 3-Pin SC70/SOT23 Packages♦ Pin Compatible with MAX803/MAX809/MAX810Applications Computers Intelligent Instruments Controllers Automotive Critical µP and µC Power Monitoring Portable/Battery-Powered Equipment

主要特徵

  • ♦ Ultra-Low 1µA (max) Supply Current
  • (MAX6326/MAX6327/MAX6328)
  • ♦ Precision Monitoring of 2.5V, 3V, 3.3V, and 5V
  • Power-Supply Voltages
  • ♦ Reset Thresholds Available from 2.2V to 4.63V
  • ♦ Fully Specified Over Temperature
  • ♦ 100ms (min) Power-On Reset Pulse Width
  • ♦ Low Cost
  • ♦ Available in Three Versions: Push-Pull RESET,
  • Push-Pull RESET, and Open-Drain RESET
  • ♦ Power-Supply Transient Immunity
  • ♦ No External Components
  • ♦ 3-Pin SC70/SOT23 Packages
  • ♦ Pin Compatible with MAX803/MAX809/MAX810

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Packaging ! Bulk Part Status ! Active
Programmable Not Verified Type Simple Reset/Power-On Reset
Number of Voltages Monitored ! 1 Voltage - Threshold 2.93V
Output Push-Pull, Totem Pole Reset Active Low
Reset Timeout 100ms Minimum Operating Temperature ! -40°C ~ 85°C (TA)
Mounting Type Surface Mount Package / Case TO-236-3, SC-59, SOT-23-3
Supplier Device Package SOT-23-3

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 MAX6326UR29 PDF 下載

常見問題解答

What is MAX6326UR29?

The MAX6326UR29 is a low-dropout, low-power, fixed-output voltage regulator manufactured by Maxim Integrated. It is designed for applications requiring a stable, low-noise power supply with minimal dropout voltage, such as battery-powered devices, portable equipment, and industrial control systems.

How Does MAX6326UR29 Work?

The MAX6326UR29 operates as a voltage regulator, maintaining a stable output voltage even when the input voltage fluctuates or decreases. It provides a regulated output voltage with low dropout, ensuring reliable operation of downstream components. The regulator also features low quiescent current, making it suitable for power-efficient designs.

How Many Pins does MAX6326UR29 have and What are the Functions of the Pinout Configuration?

The MAX6326UR29 is housed in a 8-pin µMAX (MicroMAX) package. The pinout configuration includes:

  • Vin: Input voltage pin.
  • GND: Ground pin.
  • SHDN: Shutdown control pin for enabling/disabling the regulator.
  • BYP: Bypass pin for connecting an external capacitor to improve noise performance.
  • NC: No-connect pin.
  • Vout: Regulated output voltage pin.

What are the Pros and Cons of MAX6326UR29?

Pros:

  • Low Dropout Voltage: Provides a stable output voltage even when the input voltage is close to the output voltage.
  • Low Quiescent Current: Operates with minimal current consumption, ideal for battery-operated devices and low-power applications.
  • Low Noise: Delivers a clean, low-noise output voltage for sensitive analog and digital circuits.
  • Thermal Shutdown Protection: Includes thermal shutdown protection to prevent damage due to excessive heat.
  • Small Footprint: The 8-pin MicroMAX package is space-efficient, suitable for compact designs.

Cons:

  • Fixed Output Voltage: The output voltage is fixed and not adjustable, limiting flexibility in certain applications.
  • External Components: May require additional external capacitors for stability and noise reduction.

Are There Any Equivalents/Alternatives to MAX6326UR29 for Recommendation?

  • The NCP1117 from ON Semiconductor is a comparable low-dropout voltage regulator with similar features.
  • Alternatives to the MAX6326UR29 include the LT1763 from Analog Devices and the LM2936 from Texas Instruments.

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