LM3724IM5-3.08NOPB
LM3722/LM3723/LM3724 5-Pin Microprocessor Reset Circuits
825 Stck auf Rolle / 0,95 € Stck = 783,75 € Gesamt
202411-006-323
FEATURES
• Precise Monitoring of 2.5V, 3.3V, and 5V
Supply Voltages
• Fully Specified Over Temperature
– Industrial: −40°C to +85°C
– Extended: −40°C to +125°C
• 100 ms Minimum Power-On Reset pulse Width, factory190 ms Typical:
– Active-Low RESET Output (LM3722)
– Active-High RESET Output (LM3723)
– Active-Low RESET Open Drain Output
(LM3724)
• Guaranteed RESET Output Valid for VCC ≥ 1V
• Low Supply Current, 6μA Typical
• Power Supply Transient Immunity
• Compatible with MAX811/812 Applications APPLICATIONS
• Microprocessor Systems
• Computers
• Controllers
• Intelligent Instruments
• Portable/Battery-Powered Equipment
Typical Application Circuits
DESCRIPTION
The LM3722/LM3723/LM3724 microprocessor supervisory circuits monitor the power supplies in microprocessor and digital systems. They provide a reset to the microprocessor during power-up, power- down, brown-out conditions, and manual reset.
The LM3722/LM3723/LM3724 asserts a reset signal whenever the supply decreases below the factory- 190 programmed reset threshold. Reset will be asserted for at least 100ms even after VCC rises above the reset threshold.
The LM3722 has an active-low RESET push-pull output. The LM3723 has an active-high RESET push- pull output. The LM3724 has an active-low open-drain RESET output.
Three standard reset voltage options are available, suitable for monitoring 5V, 3.3V, and 2.5V supply voltages. Additional reset voltages are also available; contact Texas Instruments for details.
With a low supply current of only 6µA, the LM3722/LM3723/LM3724 are ideal for use in portable equipment. The LM3722/LM3723/LM3724 are available in the 5-pin SOT-23 package.