Professional IC Distribution & Technical Solutions

The IMP809TEUR/T is a microprocessor supervisory circuit manufactured by IMP/VP (formerly IMP, now part of Vishay Precision Group).

Specifications:

• Supply Voltage Range: 1.8V to 5.5V
• Reset Threshold Options: Adjustable (factory-set or user-adjustable)
• Reset Timeout Period: Typically 140ms (fixed or adjustable)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23-5
• Low Quiescent Current: Typically 6µA
• Manual Reset Input: Available (active-low)
• Output Type: Active-low, push-pull or open-drain

Descriptions:

The IMP809TEUR/T is a precision voltage monitor designed to ensure proper system operation in microprocessor-based applications. It provides a reset signal to the processor when the supply voltage falls below a preset threshold, preventing erratic behavior during power-up, power-down, or brownout conditions.

Features:

• Wide Operating Voltage Range: Supports 1.8V to 5.5V systems.
• Low Power Consumption: Ideal for battery-operated devices.
• Precision Voltage Monitoring: Ensures reliable reset operation.
• Small Form Factor: SOT-23-5 package for space-constrained designs.
• Manual Reset Capability: Allows external system reset control.
• Hysteresis: Prevents oscillation near the threshold voltage.

This device is commonly used in embedded systems, industrial controls, and portable electronics where reliable power monitoring is critical.