The S-80738AN-D2-T1 is a voltage detector IC manufactured by SII Semiconductor Corporation. It is designed to monitor the voltage level of a power supply and generate a reset signal when the voltage drops below a certain threshold, ensuring stable operation of microcontrollers and other digital circuits.

Applications

• Microcontroller reset circuits
• CPU reset circuits
• Power supply monitoring
• Battery backup systems
• Portable electronic devices

Features

• Detection voltage: 3.8 V
• High-accuracy detection voltage: ±2.0%
• Low current consumption: 0.8 μA (TYP.)
• Operating voltage range: 0.65 V to 10.0 V
• Output form: Nch open-drain output
• Package: SOT-23-5
• Hysteresis characteristics: 5% (TYP.)

Benefits

• Ensures reliable system operation by preventing malfunctions caused by low voltage.
• Prolongs battery life in portable devices due to its low current consumption.
• Provides precise voltage monitoring with its high-accuracy detection voltage.
• Offers design flexibility with its wide operating voltage range.
• Saves board space due to the small SOT-23-5 package.
• Facilitates easy interfacing with microcontrollers and other digital circuits via the Nch open-drain output.

Additional Details

The S-80738AN-D2-T1 integrates a hysteresis function to prevent output oscillations or chattering around the detection threshold. This helps to ensure a clean and reliable reset signal. The Nch open-drain output allows for connection to pull-up resistors of varying values, offering additional flexibility in circuit design. The device operates over a wide temperature range, making it suitable for use in diverse environments. The fixed detection voltage of 3.8V makes it suitable for 3.3V systems where a reliable reset is needed when the voltage dips below a safe operating level.