MAX253ESA+T 门驱动器 MAXIM

MAX253ESA+T

门驱动器 Transformer Driver for Iso RS-485 Int

Transformer Driver for Isolated RS-485 Interface

                                  

General Description

The MAX253ESA+T MAX253 monolithic oscillator/power-driver is specifically designed to provide isolated power for an isolated RS-485 or RS-232 data interface. The device drives a center-tapped transformer primary from a 5V or 3.3V DC power supply. The secondary can be wound to provide any isolated voltage needed at power levels up to 1W. 

                             

Applications MAX253ESA+T

Isolated RS-485/RS-232 Power-Supply 

Transformer Driver 

High Noise-Immunity Communications Interface 

Isolated and/or High-Voltage Power Supplies 

Bridge Ground Differentials 

Medical Equipment 

Process Control 

Benefits and Features MAX253ESA+T

• Simple Power-Supply Transformer Driver Design for Isolated RS-485/RS-232 Data-Interface Applications 

• Single 5V or 3.3V Supply 

• Low-Current Shutdown Mode: 0.4μA 

• Pin-Selectable Frequency: 350kHz or 200kHz 

• 8-Pin DIP, SO, and μMAX® Packages Take Minimal Board Space