
Exar Corporation
GENERAL DESCRIPTION
The XRP7675 is a 3A capable synchronous current-mode PWM step down (buck) voltage regulator with improved light current load efficiency. A wide 4.5V to 18V input voltage range allows for single supply operations from industry standard 5V and 12V power rails.
FEATURES
• 3A Continuous Output Current
• 4.5V to 18V Wide Input Voltage
- 0.925V to 16V Adjustable Output Voltage
- ±2% Output Voltage Accuracy
• PWM Current-Mode Control
- 340kHz Constant Operations
- Up to 95% Efficiency
• Light-Load Efficiency
- Discontinuous Conduction Mode (DCM)
- PulseFrequency Modulation Mode (PFM)
• Programmable Soft -Start and Enable
Function
• Built -in Thermal , Over-Current, UVLO,
Output Over-Voltage and hiccup mode
short-circuit protection
• 5R+6&RPSOLDQW³*UHHQ´+DOR Free 8-Pin Exposed Pad SOIC Package