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The TPS62148 is a 2-A, synchronous, step-down converter in 3 mm × 2 mm, 11-pin QFN package. The TPS62148EVM-034 (PWR034) uses the TPS62148 integrated circuit (IC) which operates with a nominal switching frequency of 2.5 MHz.
Table 1-1 provides a summary of the TPS62148EVM-034 performance specifications. All specifications are given for an ambient temperature of 25°C.
Specification | Test Conditions | MIN | TYP | MAX | Unit | |
---|---|---|---|---|---|---|
Input voltage | 3 | 17 | V | |||
Output current | 0 | 2 | A |
The printed-circuit board (PCB) for this EVM is designed to accommodate the adjustable voltage version of this integrated circuit (IC). On the EVM, additional input and output capacitors can be added, the soft-start time can be changed, the tracking voltage and the input voltage at which the IC turns on can be adjusted. Finally, the loop response of the IC can be measured.