Description

The ESWA-OAA is an electronic component model in the IC Chips product category. It is a controller, specifically designed for high power synchronous dual transistor forward DC/DC converters. With its fixed frequency current mode control, it can support both isolated and nonisolated topologies. The ESWA-OAA is capable of driving external N-channel power MOSFETs and operates with input voltages up to 72V.

Specifications and features

Features of the ESWA-OAA include:

• High Voltage: Operation Up to 72V
• Synchronizable Operating Frequency and Output Switch Phase for Multiple Controller Systems
• Fixed Frequency Operation to 350kHz
• Adaptive and Adjustable Blanking
• Synchronous Rectifier Driver
• Local 1% Voltage Reference
• Undervoltage Lockout Protection with Hysteresis
• Input Overvoltage Protection
• Programmable Start Inhibit
• Transformer Primary Saturation Protection
• Optocoupler Feedback Support
• Soft-Start Control

Application Scenarios

The ESWA-OAA is suitable for various applications, including:

• Isolated Telecommunication Systems
• Personal Computers and Peripherals
• Lead Acid Battery Backup Systems
• Automotive and Heavy Equipment

Comparison

- Simplifies the design of high power synchronous dual transistor forward DC/DC converters

- Supports both isolated and nonisolated topologies

- Can drive external N-channel power MOSFETs

- Operates with input voltages up to 72V

- Provides adaptive and adjustable blanking

- Includes synchronous rectifier driver

- Offers undervoltage lockout protection with hysteresis

- Features input overvoltage protection

- Programmable start inhibit

- Transformer primary saturation protection

- Supports optocoupler feedback

- Includes soft-start control

- No specific disadvantages mentioned