The TPS62175 is a 500-mA, synchronous, step-down converter in a 2x3-mm, 10-pin WSON package. Both fixed and adjustable output voltage units are available.
The TPS62175EVM-098 (PWR098-001) uses the TPS62175 adjustable version and is set to a 3.3-V output. The EVM operates with full-rated performance with an input voltage between 4.75 V and 28 V.
Table 1-1 provides a summary of the TPS62175EVM-098 performance specifications. All specifications are given for an ambient temperature of 25°C.
Specification | Test Conditions | Min | Typ | Max | Unit |
---|---|---|---|---|---|
Input Voltage | 4.75 | 28 | V | ||
Output Voltage | DC setpoint; does not include voltage ripple | 3.27 | 3.33 | 3.39 | V |
Output Current | SLEEP = HIGH (OFF) | 0 | 500 | mA | |
Peak Efficiency | VIN = 4.75 V | 92.2% | |||
Soft-Start Time | Ramp Time of VOUT | 330 | µs | ||
Soft-Start Delay Time | Time from HIGH EN to Start of VOUT Ramp | 1 | ms |
The printed-circuit board (PCB) for this EVM is designed to accommodate both the fixed and adjustable voltage versions of this integrated circuit (IC). Additional input and output capacitors can also be added. Finally, the loop response of the IC can be measured.