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MAXIM INTEGRATED / ANALOG DEVICES MAX807NCWE Voltage Supervisor Circuit
The MAX807NEWE+ is a microprocessor supervisory circuit in a 16-pin WSOIC package, providing highly precise power supply monitoring, backup battery switchover, and watchdog functions for microprocessor-based systems. Operating with a supply current of only 70µA, it features a 2ns chip enable propagation delay and delivers up to 250mA in normal mode, 20mA in backup. It ensures system reset during brownouts, power-up and power-down, with active-high and active-low reset outputs. Additional features include two-stage power fail warning, write protection for CMOS RAM or EEPROM, manual reset input, and a backup-battery status flag indicating voltage above +2.275V. Supports voltages from 0V to 5.5V and temperature ranges from -40°C to 85°C. Compatible with MaxCap and SuperCap energy sources, the circuit offers a 4.575V voltage threshold, 200ms power-OK delay, onboard gating of chip enable signals, and a 2ns delay for chip-enable gating. Applications include power management in portable equipment, CMOS RAM and RTC backup, system monitoring, and intelligent instrument control.
MAXIM INTEGRATED / ANALOG DEVICES MAX807NCWE Voltage Supervisor Circuit Specifications:
- Supply Voltage Range: 0V to 5.5V
- Reset Threshold Voltage: 4.575V ±1.5%
- Operating Temperature Range: -40°C to 85°C
- Supply Current: 70µA typical
- Backup Current: <1µA in backup mode
- Chip Enable Propagation Delay: 2ns
- Output Current: 250mA (Vcc mode), 20mA (backup mode)
- Write Protection: CMOS RAM or EEPROM
- Manual Reset Input: Active-low, with debounce
- Power-Fail Warning Threshold: 52mV above reset threshold
- Vcc to Reset Delay: 26µs (falling Vcc)
- Power-OK Delay: 200ms
- BATT OK Voltage Threshold: +2.275V
- Backup Battery Voltage: >+2.275V indicates adequate voltage
- Voltage Monitoring: Precise voltage monitoring with MaxCap and SuperCap compatibility
- Package: 16-pin WSOIC
Buy the Maxim MAX807NCWE – Reliable Voltage Supervisor for Industrial Applications
Order the Maxim MAX807NCWE online now and enhance your system reliability with advanced power-monitoring, backup switching, and watchdog features. This compact, high-precision supervisory circuit offers fast response times, low quiescent current, and excellent integration for portable devices, embedded systems, and industrial control. Ensure your microprocessor system operates safely and efficiently during power fluctuations, brownouts, and power failures. With easy online purchasing, fast delivery, and trusted quality, upgrade your power management solutions today with the MAX807NCWE.
Get Maxim MAX807NCWE today—built for precise power management, backup, and system resets in demanding industrial environments.
Frequently Asked Questions
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How do I troubleshoot issues or seek technical support for part MAX807NCWE?
You can download the MAX807NCWE datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.
Who is the manufacturer of MAX807NCWE?
MAXIM INTEGRATED / ANALOG DEVICES