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MAX680ESA+T
+StücklisteIC REG CHARGE PUMP 2VIN 8SOIC
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HerstellerAnalog Devices Inc./Maxim Integrated
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Herstellerteil #MAX680ESA+T
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Paket SOIC-N-8
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Auf Lager5531
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Tape & Reel (TR),Bulk |
| Part Status | Obsolete |
| Function | Ratiometric |
| Output Configuration | Positive and Negative (Dual Rail) |
| Topology | Charge Pump |
| Output Type | Fixed |
| Number of Outputs | 2 |
| Voltage - Input (Min) | 2V |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min/Fixed) | ±2Vin |
| Current - Output | 10mA |
| Frequency - Switching | 8kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Übersicht
Description
Key features include a manual reset input, a low supply current, and a reset timeout period. The device comes in an 8-pin SOIC package and operates over a wide temperature range suitable for various applications. Its compact size and high reliability make it ideal for use in consumer electronics, industrial controls, and automotive systems. The "+T" indicates that the device is supplied on a tape for automated assembly processes. Overall, the MAX680ESA+T helps enhance system stability and reliability by ensuring that microprocessors are reset when necessary.
Equivalent
1. Texas Instruments LM2661 - A switched capacitor voltage converter.
2. Linear Technology (Analog Devices) LTC1046 - A charge pump voltage inverter.
3. Microchip TC7660 - A charge pump DC-DC converter.
These alternatives offer similar functionalities, but be sure to check their specific specifications and footprints to ensure compatibility with your application.
Features
1. Input Voltage Range: Operates from a 1.5V to 5.5V input voltage.
2. Output Voltage: Provides a regulated negative output voltage.
3. Efficiency: High efficiency with low quiescent current, ideal for battery-powered applications.
4. Output Current: Capable of delivering up to 100mA output current.
5. Low Noise: Offers low noise operation due to its regulated output.
6. Compact Size: Available in an 8-pin SOIC package, suitable for space-constrained designs.
7. Temperature Range: Operates over a wide temperature range of -40°C to +85°C.
8. Protection Features: Includes thermal shutdown and current limiting for enhanced reliability.
9. No Inductors Required: Simplifies design by eliminating the need for inductors in the circuit.
These features make the MAX680ESA+T ideal for applications requiring a negative voltage in a compact, efficient form.
Pinout
1. Reset Output: Provides a reset signal to the microprocessor during power-up, power-down, and brownout conditions.
2. Manual Reset Input: Allows an external pushbutton or logic signal to initiate a reset.
3. Watchdog Timer: Monitors microprocessor activity and triggers a reset if the microprocessor fails to toggle the watchdog input within a specified timeout period.
4. Power Supply Monitoring: Monitors the system's power supply voltage and issues a reset if the voltage falls below a predetermined threshold.
The device is commonly used to ensure reliable operation by maintaining proper reset conditions for microcontrollers during power fluctuations.
Manufacturer
Application
1. Power Supply Designs: Useful in generating negative supply voltages for analog circuits.
2. Portable Devices: Ideal for battery-operated equipment due to its low power consumption.
3. Data Acquisition Systems: Provides negative voltages for analog signal processing.
4. Operational Amplifier Circuits: Supplies negative voltages needed for dual-supply op-amp configurations.
5. Telecom Equipment: Used in circuits requiring bipolar supplies.
Its compact size and efficiency make it suitable for these and other applications where space and power efficiency are critical.