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MAX809MEUR
Packaged in Tape for easy handling and storage
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製造商零件號 # : MAX809MEUR
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包裝/封裝: TO236-3
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零件狀態 : ACTIVE
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製造商: Analog Devices
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產品分類 : Supervisors
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例子
捲帶式
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管或託盤
MAX809MEUR 數據表
價格 (USD)
| 數量 | 單價 | 總價 |
|---|---|---|
| 1 | $1.455 | $1.46 |
| 200 | $0.564 | $112.80 |
| 500 | $0.543 | $271.50 |
| 1000 | $0.533 | $533.00 |
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
Supervisor Push-Pull, Totem Pole 1 Channel SOT-23-3
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 | MAX809M | Brand | Analog Devices / Maxim Integrated |
| Chip Enable Signals | No Chip Enable | Height | 0.94 mm |
| Length | 2.92 mm | Operating Supply Current | 24 uA |
| Overvoltage Threshold ! | 4.45 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 ! | 4.31 V | Width | 1.3 mm |
| Part # Aliases | MAX809M | Unit Weight | 0.050717 oz |
Specification Comparison
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 MAX809MEUR?
The MAX809MEUR is a microprocessor supervisory circuit designed by Maxim Integrated. It is used to monitor the power supply voltage of a microcontroller or other digital system and provide a reset signal to the microcontroller during power-up, power-down, and brownout conditions.
How Does MAX809MEUR Work?
The MAX809MEUR works by continuously monitoring the supply voltage and comparing it to a factory-trimmed reference voltage. If the supply voltage falls below a predetermined threshold, the MAX809MEUR asserts a reset signal to ensure proper operation of the microcontroller or digital system. Once the supply voltage rises above the threshold and stabilizes, the reset signal is de-asserted.
How Many Pins does MAX809MEUR have and What are the Functions of the Pinout Configuration?
The MAX809MEUR is housed in an SOT-143 or SC70-3 (3-Pin SOT-23) package. The pinout configuration includes:
- VCC: Input power supply pin.
- GND: Ground pin.
- RESET: Reset output pin that goes low when the voltage falls below the threshold.
What are the Pros and Cons of MAX809MEUR?
Pros:
- Power-Up Reset: Ensures a controlled start-up sequence for the microcontroller or digital system.
- Power-Down Reset: Provides a reset signal during power-off or brownout conditions to prevent erratic behavior.
- Low Power Consumption: Consumes very low quiescent current, suitable for power-sensitive applications.
- Compact Package: The SOT-143 or SC70-3 package is space-efficient, suitable for compact designs.
Cons:
- Fixed Threshold: The reset voltage threshold is factory-trimmed and cannot be adjusted.
- External Components: Some applications may require additional external components for debouncing or other features.
Are There Any Equivalents/Alternatives to MAX809MEUR for Recommendation?
- The MAX811 from Maxim Integrated is a similar microprocessor supervisory circuit with additional features.
- Alternatives to the MAX809MEUR include the ADM803 from Analog Devices and the MCP809 from Microchip Technology.
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