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Description

The LX1684 is a monolithic, voltage mode pulse-width modulator controller. It is designed to implement a flexible, low cost buck (step-down) regulator supply with a minimal of external components.

 Features

1. Fixed 175kHz Switching Frequency

2. Constant Frequency Voltage-Mode Control Requires NO External Compensation

3. Hiccup-Mode Over-Current Protection

4. High Efficiency

5. Adjustable Output Voltage Set By Resistor Divider

6. Under-Voltage Lockout

7. Soft-Start And Enable

8. Synchronous Rectification