Texas Instruments SN75451BD Dual Peripheral Power Driver SOIC-8, 30V/400mA

The Texas Instruments SN75451BD is a high-performance dual peripheral power driver presented in a compact 8-pin SOIC package. This integrated circuit is engineered for high-current switching applications that demand exceptional speed and reliability. Its primary role is to interface between low-power logic circuits and higher-power peripheral devices, making it an essential component in systems utilising TTL (Transistor-Transistor Logic) levels.

Featuring diode-clamped inputs, the device significantly simplifies circuit design by providing built-in protection and reducing the need for external components. This design enhancement contributes to more robust and stable system performance. The driver is characterised for operation with currents up to 300mA and can deliver output voltages as high as 30V, with a maximum output current rating of 400mA per channel.

A key benefit is its immunity to output latch-up, even when subjected to 20V after conducting 300mA, ensuring reliable operation in demanding environments. Its high-speed switching capability makes it suitable for applications where timing and signal integrity are critical.

Typical Applications

This versatile driver is ideal for a wide array of uses, including:

• High-speed logic buffers
• Power drivers for motors and actuators
• Relay and solenoid drivers
• Lamp and LED drivers
• MOS (Metal-Oxide-Semiconductor) drivers
• Line drivers for communication interfaces
• Memory and display drivers

Technical Specifications

• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Supply Voltage Range: 4.75V to 5.25V
• Number of Outputs: 2 independent channels
• Output Voltage: Up to 30V
• Output Current: Up to 400mA per channel
• Operating Temperature Range: 0°C to 70°C
• Key Features: High-voltage outputs, high-speed