Electronic components
MAX803TEXR
- Part number
- MAX803TEXR
- Category
- Other Electronic Components
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Overview
The MAX803TEXR is a microprocessor supervisory circuit designed to monitor system voltage levels and provide reliable reset signals to ensure proper system startup and operation.
Details
Key Features
Function: Voltage Supervisor / Reset IC
Reset Threshold Voltage: 3.08 V (typical, for 3.3 V systems)
Reset Output Type: Active-Low Push-Pull
Reset Output Duration: 240 ms (typical)
Input Voltage Range: 1 V to 5.5 V
Supply Current: 6 µA (typical)
Accuracy: ±2% over temperature
Operating Temperature Range: –40 °C to +85 °C (industrial)
Package Type: SOT-23-3 (small outline, 2.9 × 1.3 mm)
Pin Count: 3
RoHS / REACH: Compliant and Pb-free
Performance Highlights
Monitors system voltage and asserts reset when voltage drops below threshold
Ensures microprocessor resets during power-up, power-down, or brownout conditions
Manual reset input not required - automatic reset generation
Low quiescent current for battery-powered applications
Factory-programmed reset threshold for 3.3 V logic systems (3.08 V typical)
Long reset timeout (240 ms) ensures stable system restart
Applications
Microcontroller and DSP supervision
Industrial control systems
Embedded and portable electronics
Power management and monitoring circuits
Automotive and communication equipment
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