CAT823STDI-GT3 – onsemi System Supervisory Voltage Reset IC with Watchdog and Manual Reset

Quick Answer The CAT823STDI-GT3 is a precision microprocessor supervisory circuit from onsemi that monitors system voltage and provides reset functionality. It features a 2.93V voltage threshold, watchdog timer, manual reset input, and 200ms reset timeout. This compact TSOT-23-5 packaged IC ensures reliable operation of microcontroller-based systems by protecting against power failures, brownouts, and software lockups in industrial, consumer, and portable applications.

Current Stock at ICMASS: Strong inventory available for immediate worldwide delivery.

Key Specifications

[Download Official CAT823 Datasheet PDF]

Why Choose CAT823STDI-GT3?

• Integrated voltage monitoring with accurate 2.93V reset threshold
• Built-in watchdog timer prevents system lock-up
• Manual reset input for external push-button or processor control
• Compact TSOT-23-5 package saves valuable board space
• Fast response and reliable push-pull reset output
• Pb-free, RoHS compliant, and halogen-free
• Pin-compatible with MAX823 series

Typical Applications

• Microprocessor and microcontroller-based systems
• Industrial control and automation equipment
• Consumer electronics and intelligent instruments
• Portable and battery-powered devices
• Embedded systems and IoT modules
• Test and measurement equipment
• Critical system monitoring applications

CAT823STDI-GT3 Alternatives & Cross Reference Popular Alternatives:

• CAT823 series (other voltage thresholds: R, T, etc.)
• CAT824 (without manual reset)
• MAX823 / MAX824 equivalents
• ADM823 / ADM824 series
• Other onsemi / TI supervisors (e.g., TPS38xx)

Comparison Table:

Purchasing Information at ICMASS

• Stock Status: Strong inventory available
• MOQ: 100 pieces (samples welcome)
• Lead Time: 1-3 days for stock orders
• Shipping: Fast global delivery (DHL, UPS, FedEx)
• Quality Guarantee: 100% genuine onsemi components

Get Competitive Quote – Contact us for bulk pricing and technical support.

Frequently Asked Questions (FAQ)

Q1: What is the CAT823STDI-GT3 mainly used for? A: It is a microprocessor reset supervisor with watchdog and manual reset, ideal for protecting MCUs from brownouts and software hangs.

Q2: What is the reset voltage threshold of CAT823STDI-GT3? A: 2.93V (S version), suitable for 3.3V systems.

Q3: Does it include a watchdog timer? A: Yes, with a typical timeout of 1.6 seconds.

Q4: What package does the CAT823STDI-GT3 use? A: Compact TSOT-23-5 package for space-constrained designs.

Q5: What is the reset timeout period? A: Typically 200ms (minimum 140ms) to allow power supply stabilization.

Q6: Is manual reset supported? A: Yes, with an internal pull-up resistor for direct push-button connection.

Q7: What is the operating voltage range? A: 1.2V to 5.5V, making it versatile for various systems.

Q8: Do you have real stock of CAT823STDI-GT3? A: Yes, we maintain good inventory levels for fast delivery.

Q9: Is it suitable for automotive applications? A: It is rated for -40°C to +85°C industrial temperature range; consult for specific automotive needs.

Q10: Can you provide reference designs or layout recommendations? A: Yes, we supply official onsemi datasheet, application notes, and layout guidelines.

Q11: Do you offer volume pricing? A: Yes. Competitive tiered pricing is available for quantities from 1K to 100K+.

Q12: How does CAT823 compare to MAX823? A: The CAT823STDI-GT3 is pin-to-pin compatible with MAX823 and offers similar functionality with reliable performance.

Related Products

• CAT823 series (different voltage options)
• CAT824 supervisory circuits
• Other onsemi Voltage Supervisors and Reset ICs
• Microprocessor supervisory circuits from TI and Analog Devices