Texas Instruments LM654B0EVM-1PH Evaluation Module
Texas Instruments LM654B0EVM-1PH Evaluation Module helps designers evaluate the operation and performance of the LM654xx family of wide-input-voltage buck converters. The default EVM incorporates the LM654B0 and supports configurable output voltage, operating mode, frequency compensation, switching frequency, external clock synchronization, and an onboard load transient generator.
The Texas Instruments LM654B0EVM-1PH is configured for single-phase operation and can deliver a 5V output to loads of up to 15A. The board can also be configured for a 3.3V output and supports other LM654xx devices with appropriate changes to the passive components. An included heat sink helps reduce device temperature during operation with large load currents.
Features
- Minimized switch node ringing to reduce electromagnetic interference (EMI)
- Configurable output voltage
- 5V output
- 3.3V output
- Adjustable output voltage
- Selectable operating modes
- Automatic PFM/FPWM mode
- Fixed-frequency FPWM mode
- Internal or external regulator-loop frequency compensation
- External clock synchronization support
- Onboard load transient generator
- Populated EMI filter for evaluation
- Power-good indicator
- Supports additional LM654xx devices with appropriate passive component changes
Specifications
- EVM input voltage operating range of 6V to 36V
- Default output voltage of 5V
- Maximum output current of 20A at 12V input
- Default switching frequency of 2.1MHz
- Peak efficiency of 94.5% at 8A output and 12V input
- Full-load efficiency of 93.1% at 15A output and 12V input
- Operating temperature of 25°C under specified test conditions
Kit Contents
- One LM654B0EVM-1PH
- One heat-sink
- Thermal pad required between the regulator and heat-sink and not provided in the kit
Set-up & Test Connections
Front Layout
Back Layout
