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TLV803EA43DCKR

Name: TLV803EA43DCKR
Rating: 4.7 (12 reviews)

LOW-POWER VOLTAGE SUPERVISOR (RE

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仕様

Part Status	Active
DigiKey Programmable	Not Verified
Type	Simple Reset/Power-On Reset
Number of Voltages Monitored	1
Voltage - Threshold	4.38V
Output	Open Drain or Open Collector
Reset	Active Low
Reset Timeout	130ms Minimum
Operating Temperature	-40°C ~ 125°C (TA)
Mounting Type	Surface Mount
Package / Case	SC-70, SOT-323
Supplier Device Package	SC-70-3
Base Product Number	TLV803

概要

Description

The TLV803EA43DCKR is a voltage supervisor or reset IC designed to monitor power supply voltages in electronic systems. It features a low operating voltage, making it suitable for battery-powered applications. The device ensures proper system operation by issuing a reset signal when the supply voltage falls below a predefined threshold.
Key features include a fast response time, low quiescent current, and the ability to operate over a wide temperature range. The TLV803EA43DCKR is typically available in a compact SOT-23 package, which allows for easy integration into space-constrained designs.
Applications include microcontrollers, DSPs, and other digital circuits that require reliable power monitoring to prevent malfunction during voltage fluctuations. Overall, the TLV803EA43DCKR is an effective solution for enhancing system reliability and protecting sensitive electronic components against under-voltage conditions.

Features

The TLV803EA43DCKR is a voltage supervisor designed to monitor power supply voltages in various applications. Key features include:
1. Supply Voltage Range: Operates with a supply voltage range from 1.8V to 5.5V.
2. Threshold Voltage: Offers adjustable reset thresholds, typically at 4.3V.
3. Active Low Reset: Provides a low active reset signal, ensuring systems reset appropriately during voltage drops.
4. Debounce Time: Integrated delay to prevent false triggering during voltage fluctuations.
5. Low Quiescent Current: Consumes minimal power, making it suitable for battery-operated devices.
6. Temperature Range: Operates effectively over a wide temperature range, from -40°C to +125°C.
7. Compact Package: Available in a small SOT-23 package, ideal for space-constrained designs.
These features make the TLV803EA43DCKR suitable for applications in consumer electronics, automotive systems, and industrial equipment, ensuring reliable operation and protection against under-voltage conditions.

Package

The TLV803EA43DCKR is packaged in a SOT-23-5 surface-mount package.

Pinout

The TLV803EA43DCKR is a voltage supervisor IC with a pin count of 5. It is designed to monitor supply voltages and provide reset signals when voltages fall below a specified threshold.
### Pin Functions:
1. Pin 1 (Vcc): Supply voltage input.
2. Pin 2 (GND): Ground connection.
3. Pin 3 (RESET): Active-low reset output; goes low when Vcc falls below the threshold.
4. Pin 4 (NC): No internal connection; can be left unconnected.
5. Pin 5 (SENSE): Voltage sense pin for monitoring the supply voltage.
The TLV803EA43DCKR is commonly used in microcontroller applications to ensure proper reset conditions during power-up and brown-out situations.

Manufacturer

The manufacturer of the TLV803EA43DCKR is Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company headquartered in Dallas, Texas. They specialize in analog and digital signal processing, as well as embedded processing technologies. TI serves a variety of markets, including automotive, industrial, communications, and consumer electronics, providing a wide range of products such as microcontrollers, processors, sensors, and power management solutions. The TLV803EA43DCKR is a voltage supervisor, designed to monitor voltage levels and provide reset signals for microcontrollers and other logic devices, ensuring reliable operation in various electronic applications.

Application

The TLV803EA43DCKR is a voltage supervisor and reset IC used in various applications including microcontroller reset systems, power supply monitoring, battery management, and automotive electronics. It ensures reliable operation by monitoring supply voltages and providing reset signals to prevent system malfunctions during power fluctuations. Its features make it suitable for consumer electronics, industrial automation, and portable devices.

Equivalent

The TLV803EA43DCKR is a voltage supervisor and can be replaced by similar devices such as the MCP100 or MCP101 from Microchip, the MAX803 or MAX804 series from Maxim Integrated, or the LM393 from Texas Instruments. Always check specific parameters like voltage thresholds, reset time, and pin configurations to ensure compatibility.