TPS54290 Overview
Description
The TPS54290, TPS54291, and TPS54292 devices are dual-output, fully synchronous buck converters capable of supporting applications with a minimal number of external components. It operates from a 4.5-V to 18-V input supply voltage, and supports output voltages as low as 0.8 V and as high as 90% of the input voltage.
Key Features
- 1 4.5-V to 18-V Input Range
- Output Voltage Range 0.8 V to DMAX × VIN
- Fully Integrated Dual Buck: 1.5 A and 2.5 A
- Three Fixed Switching Frequency Versions: – TPS54290: 300 kHz – TPS54291: 600 kHz – TPS54292: 1.2 MHz
- Integrated UVLO
- 0.8 VREF With 1% Accuracy (0°C to 85°C)
- Internal Soft Start: – TPS54290: 5.2 ms – TPS54291: 2.6 ms – TPS54292: 1.3 ms
- Dual PWM Outputs 180° Out-of-Phase
- Dedicated Enable for Each Channel
- Current Mode Control for Simplified Compensation
