MAX809TEUR
Processor Supervisor 3.08V 1 Active Low/Push-Pull 3-Pin SOT-23 TapeMAX809TEUR
Processor Supervisor 3.08V 1 Active Low/Push-Pull 3-Pin SOT-23 Tape
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製造商零件號 # : MAX809TEUR
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包裝/封裝: SOT23-3
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製造商: Analog Devices
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產品分類 : Supervisors
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MAX809TEUR 數據表
價格 (USD)
數量 | 單價 | 總價 |
---|---|---|
1 | $1.306 | $1.31 |
200 | $0.505 | $101.00 |
500 | $0.489 | $244.50 |
1000 | $0.479 | $479.00 |
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。
詳細說明
General DescriptionThe MAX803/MAX809/MAX810 are microprocessor (µP) supervisory circuits used to monitor the power supplies in µP and digital systems. They provide excellent circuit reliability and low cost by eliminating external components and adjustments when used with +5V, +3.3V, +3.0V, or +2.5V powered circuits.Features♦ Precision Monitoring of +2.5V, +3V, +3.3V, and +5V Power-Supply Voltages♦ Fully Specified Over Temperature♦ Available in Three Output Configurations Open-Drain RESET Output (MAX803) Push-Pull RESET Output (MAX809) Push-Pull RESET Output (MAX810)♦ 140ms min Power-On Reset Pulse Width♦ 12µA Supply Current♦ Guaranteed Reset Valid to VCC = +1V♦ Power Supply Transient Immunity♦ No External Components♦ 3-Pin SC70 and SOT23 PackagesApplications Computers Controllers Intelligent Instruments Critical µP and µC Power Monitoring Portable/Battery-Powered Equipment Automotive
![MAX809TEUR MAX809TEUR](/files/uploads/product/b/3748f065-fc91-4447-857a-08dbc6589f1e.webp)
主要特徵
- ♦ Precision Monitoring of +2.5V, +3V, +3.3V, and +5V Power-Supply Voltages
- ♦ Fully Specified Over Temperature
- ♦ Available in Three Output Configurations
- Open-Drain RESET Output (MAX803)
- Push-Pull RESET Output (MAX809)
- Push-Pull RESET Output (MAX810)
- ♦ 140ms min Power-On Reset Pulse Width
- ♦ 12µA Supply Current
- ♦ Guaranteed Reset Valid to VCC = +1V
- ♦ Power Supply Transient Immunity
- ♦ No External Components
- ♦ 3-Pin SC70 and SOT23 Packages
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。
Product Category ! | Supervisory Circuits | Type | Voltage Supervisory |
Mounting Style | SMD/SMT | Package / Case | SOT-23-3 |
Threshold Voltage | 2.5 V, 3 V, 3.3 V, 5 V | Number of Inputs Monitored | 1 Input |
Output Type | Active Low, Push-Pull | Manual Reset | No Manual Reset |
Watchdog Timers | No Watchdog | Battery Backup Switching | No Backup |
Reset Delay Time | 240 ms | Supply Voltage - Max | 5.5 V |
Minimum Operating Temperature | - 40 C | Maximum Operating Temperature ! | + 105 C |
Series | MAX809T | Brand | Analog Devices / Maxim Integrated |
Chip Enable Signals | No Chip Enable | Height | 0.94 mm |
Length | 2.92 mm | Operating Supply Current | 17 uA |
Overvoltage Threshold ! | 3.11 V | Pd - Power Dissipation | 320 mW |
Power Fail Detection | No | Product Type ! | Supervisory Circuits |
Subcategory | PMIC - Power Management ICs | Supply Voltage - Min | 1.2 V |
Undervoltage Threshold ! | 3.04 V | Width | 1.3 mm |
Part # Aliases | MAX809T | Unit Weight | 0.050717 oz |
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。
常見問題解答
What is MAX809TEUR?
The MAX809TEUR is a microprocessor supervisory circuit designed by Maxim Integrated. It is used to monitor the power supply voltage of microcontrollers and provide a reset signal when the voltage falls below a specified threshold, ensuring reliable operation.
How Does MAX809TEUR Work?
The MAX809TEUR operates by continuously monitoring the supply voltage of the connected microcontroller. When the voltage drops below a predetermined threshold, the device generates a reset signal, forcing the microcontroller to restart and preventing it from operating erratically due to low voltage conditions.
How Many Pins does MAX809TEUR have and What are the Functions of the Pinout Configuration?
The MAX809TEUR is available in a SOT-23 package with three pins, each serving a specific function:
- VCC: Power supply input pin for the circuit.
- RESET: Output pin for the reset signal to the microcontroller.
- GND: Ground connection pin.
What are the Pros and Cons of MAX809TEUR?
Pros:
- Simple Integration: Easy to connect and use with microcontroller systems.
- Low Power Consumption: Consumes minimal power, suitable for battery-powered applications.
- Reset Functionality: Helps maintain system reliability by ensuring proper reset during voltage fluctuations.
- Compact Size: SOT-23 package offers space-saving benefits.
- Cost-Effective: Provides voltage monitoring and reset functionality at an affordable price.
Cons:
- Fixed Threshold: Some applications may require adjustable voltage threshold settings.
- No Hysteresis: Lacks hysteresis feature which can be beneficial in noisy environments.
- Single Function: Designed specifically for voltage monitoring and reset, limiting versatility in complex systems.
Are There Any Equivalents/Alternatives to MAX809TEUR for Recommendation?
- The MAX809SEUR from Maxim Integrated is a similar microprocessor supervisory circuit with slightly different features.
- Alternatives to the MAX809TEUR include the ADM803/ADP3338 from Analog Devices and the TC54 from Microchip Technology.
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