MAX6503UKN025+T Overview
The MAX6503UKN025+T is a precision microprocessor supervisory circuit designed to monitor power supply voltages and manage system resets. Operating at a fixed threshold voltage of 2.5V, it ensures reliable system startup and prevents erratic operation by generating a reset signal during power-up, power-down, and brownout conditions. This device integrates a low-voltage detector with a push-pull reset output, optimized for low quiescent current and enhanced noise immunity. Its compact package and robust design make it suitable for a wide range of embedded systems and industrial applications. For detailed datasheets and purchasing options, visit IC Manufacturer.
MAX6503UKN025+T Technical Specifications
| Parameter | Specification |
|---|---|
| Reset Threshold Voltage | 2.50V ??1.5% |
| Supply Voltage Range (VCC) | 1.0V to 5.5V |
| Reset Output Type | Push-Pull |
| Reset Timeout Delay | 140ms (typical) |
| Operating Temperature Range | -40??C to +85??C |
| Supply Current | 1.3??A (typical at 3.0V) |
| Reset Output Voltage (High) | VCC – 0.2V (typical) |
| Reset Output Voltage (Low) | 0.4V max at 4mA sink |
| Package | 6-pin SOT23 |
MAX6503UKN025+T Key Features
- Precision Voltage Monitoring: Fixed 2.5V threshold ensures accurate detection of undervoltage situations, preventing system malfunction during power irregularities.
- Push-Pull Reset Output: Provides a strong drive capability to reset external devices reliably without requiring external pull-up resistors.
- Low Supply Current: Consumes only 1.3??A in typical operation, making it ideal for battery-powered and energy-sensitive applications.
- Wide Supply Voltage Range: Operates effectively from 1.0V to 5.5V, supporting a variety of low-voltage digital systems.
- Integrated Reset Timeout Delay: 140ms typical delay ensures proper initialization of microprocessors and prevents premature release of reset signals.
- Temperature Stability: Designed to operate reliably over industrial temperature ranges (-40??C to +85??C) for robust performance in harsh environments.
- Compact SOT23 Package: Small footprint reduces PCB space and simplifies integration into compact designs.
MAX6503UKN025+T Advantages vs Typical Alternatives
This device outperforms typical voltage supervisors by combining high accuracy with an ultra-low quiescent current, which extends battery life in portable systems. Its push-pull reset output enhances noise immunity and reduces external component count compared to open-drain alternatives. The fixed 2.5V threshold with tight tolerance improves system reliability by consistently detecting undervoltage conditions. Overall, it offers a compact, low-power, and highly integrated solution ideal for embedded system reset management.
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Typical Applications
- Microprocessor and microcontroller power monitoring and reset control, ensuring clean startup and preventing system lockup during power fluctuations.
- Battery-powered equipment requiring low quiescent current to maximize operational lifetime without sacrificing voltage supervision accuracy.
- Embedded industrial systems operating under variable and noisy power conditions, necessitating robust reset signal integrity.
- Portable handheld devices and consumer electronics where space-saving packaging and reliable reset functionality are critical.
MAX6503UKN025+T Brand Info
This supervisory IC belongs to a family of power supply monitoring devices specifically engineered to support system reliability in embedded electronics. Known for precision voltage detection and low-power operation, the product aligns with industry standards for microprocessor reset circuits. Its manufacturer emphasizes quality and consistency, delivering components widely adopted across