Overview
The TL7757IPK is a supply-voltage supervisor integrated circuit (IC) designed and manufactured by Texas Instruments. This device is specifically tailored for use in microcomputer and microprocessor systems to monitor and manage supply voltage conditions. It features a simple reset/power-on reset functionality, ensuring that the system operates within safe voltage limits. The TL7757IPK is packaged in a SOT-89-3 surface mount package, making it suitable for a wide range of applications where compact size and reliability are crucial.
Key Specifications
| Parameter | Description |
|---|---|
| Type | Simple Reset/Power-On Reset |
| Number of Voltages Monitored | 1 |
| Output | Open Drain or Open Collector |
| Reset | Active Low |
| Reset Timeout | 5 µs Maximum Propagation Delay |
| Voltage - Threshold | 4.55V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | SOT-89-3 |
Key Features
- Precision Voltage Monitoring: The TL7757IPK monitors the supply voltage with a precise threshold of 4.55V, ensuring that the system resets or powers on correctly when the voltage falls below this threshold.
- Simple Reset/Power-On Reset: This feature simplifies system design by providing a straightforward reset or power-on signal when the supply voltage is within the specified range.
- Open Drain or Open Collector Output: The output can be configured as either open drain or open collector, providing flexibility in system design and integration.
- Low Propagation Delay: With a maximum propagation delay of 5 µs, this IC ensures quick response times to changes in the supply voltage.
- Wide Operating Temperature Range: The device operates reliably over a temperature range of -40°C to 85°C, making it suitable for various environmental conditions.
Applications
- Microcomputer and Microprocessor Systems: The TL7757IPK is ideal for monitoring and managing supply voltages in complex digital systems.
- Embedded Systems: It is used in embedded systems where reliable voltage monitoring is critical for system stability and performance.
- Industrial Control Systems: The device is suitable for industrial control systems that require precise voltage monitoring and reset capabilities.
- Automotive Electronics: Its wide operating temperature range makes it a good fit for automotive applications where environmental conditions can be harsh.
Q & A
- What is the primary function of the TL7757IPK?
The primary function of the TL7757IPK is to monitor the supply voltage and provide a reset or power-on signal when the voltage falls below a specified threshold.
- What is the voltage threshold for the TL7757IPK?
The voltage threshold for the TL7757IPK is 4.55V.
- What type of output does the TL7757IPK have?
The TL7757IPK has an open drain or open collector output.
- What is the reset timeout for the TL7757IPK?
The reset timeout for the TL7757IPK is 5 µs maximum propagation delay.
- What is the operating temperature range of the TL7757IPK?
The operating temperature range of the TL7757IPK is -40°C to 85°C.
- What type of package does the TL7757IPK come in?
The TL7757IPK comes in a SOT-89-3 surface mount package.
- Is the TL7757IPK suitable for automotive applications?
Yes, the TL7757IPK is suitable for automotive applications due to its wide operating temperature range.
- Can the TL7757IPK be used in industrial control systems?
Yes, the TL7757IPK is suitable for industrial control systems where precise voltage monitoring is required.
- What is the typical supply current of the TL7757IPK?
The typical supply current of the TL7757IPK is around 40 µA at VCC = 5.5 V.
- Where can I find detailed datasheets and specifications for the TL7757IPK?
Detailed datasheets and specifications for the TL7757IPK can be found on the Texas Instruments website or through authorized distributors like Allicdata and HKin.com.
