STR-A6259H

The STR-A6259H is a power IC designed for SMPS (Switched-Mode Power Supply) applications.It integrates a power MOSFET, PWM control circuitry, and protection functions in a single package, providing a compact and efficient solution for power supply designs.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• FB: Feedback pin
• VCC: Positive supply voltage
• VDD: Power input for the internal control circuitry
• GND: Ground connection
• BP/MULTI: Burst mode selection or frequency adjustment pin
• DRV: Gate driver output for the internal power MOSFET
• CT: Soft-start time setting
• SD: Shutdown pin for protection
• OCP: Overcurrent protection pin
• SS: Soft-start capacitor connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the STR-A6259H IC for a visual representation.

Key Features

• Integrated Power MOSFET: Features a built-in power MOSFET for simplified design and enhanced efficiency.
• PWM Control Circuitry: Provides pulse-width modulation control for regulating the output voltage.
• Protection Functions: Includes overcurrent protection (OCP) and shutdown (SD) for safe and reliable operation.
• Compact Package: Available in a compact form factor, suitable for space-constrained applications.
• Wide Operating Voltage Range: Operates over a wide voltage range, making it versatile for different power supply requirements.

Note: For detailed technical specifications, please refer to the STR-A6259H datasheet.

Application

• Switched-Mode Power Supplies: Ideal for use in SMPS designs for various electronic devices.
• LED Drivers: Suitable for driving LEDs with efficient power conversion and control.
• Consumer Electronics: Used in consumer electronic products requiring compact and efficient power supplies.

Functionality

The STR-A6259H integrates power MOSFET, control circuitry, and protection features to facilitate the design of efficient and reliable power supplies. It is a versatile solution for SMPS applications.

Usage Guide

• Power Supply: Connect VCC (Pin 2) to the positive supply voltage and GND (Pin 4) to ground.
• Feedback Loop: Use the FB pin (Pin 1) for feedback control to regulate the output voltage.
• Protection Features: Connect the SD and OCP pins to enable overcurrent protection and shutdown functions.

Frequently Asked Questions

Q: Is the STR-A6259H suitable for high-power applications?
A: The STR-A6259H is designed for medium-power SMPS applications. For high-power requirements, consider higher-rated alternatives.

Q: Can the STR-A6259H operate in continuous conduction mode?
A: Yes, the STR-A6259H supports continuous conduction mode operation for efficient power delivery.