TPS5450
Features
- Wide input voltage range: 5.5 V to 36 V
- Up to 5-A continuous (6-A peak) output current
- High efficiency greater than 90% enabled by 110- mΩ integrated MOSFET switch
- Wide output voltage range: adjustable down to
1.22 V with 1.5% initial accuracy
- Internal pensation minimizes external part count
- Fixed 500-k Hz switching frequency for small filter size
- 18-μA shutdown supply current
- Improved line regulation and transient response by input voltage feedforward
- System protected by overcurrent limiting, overvoltage protection, and thermal shutdown
- - 40°C to 125°C operating junction temperature range
- Available in small thermally enhanced 8-pin SOIC
Power PAD™ package
2 Applications
- High density point-of-load regulators
- LCD displays, plasma displays
- Battery chargers
- 12-V and 24-V distributed power systems
Simplified Schematic
3 Description
The TPS5450 is a high-output-current PWM converter that integrates a low-resistance, high-side N-channel MOSFET. Included...
