Texas Instruments TPS61232DRCR, Step-Up Boost Converter, 4A Switch, 2 MHz, Fixed 5V Output, 2.3V to 5.5V Input, Synchronous Rectification, -40°C to 125°C, 10-VSON (3x3).
| Parameter | Value |
|---|---|
| Output type | Fixed |
| Mounting type | Surface Mount |
| Voltage - input | 5.5V |
| Voltage - output (Min (Fixed)) | 5V |
| Current - output | 4A (Switch) |
| Frequency | 2MHz |
| Number of outputs | 1 |
| Operating temperature | -40°C~125°C(TJ) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Function | Step-Up |
| Topology | Boost |
| Case | 10-VFDFN Exposed Pad |
| Output configuration | Positive |
| Synchronous rectifier | Yes |
The TPS61232DRCR is a fixed 5V output boost converter from Texas Instruments with a 4A switch current rating. That 4A is the peak current the internal NMOS switch can handle before the cycle-by-cycle current limit engages.
Without that thermal via pattern, the junction temperature rise at 4A switch current will exceed the 125°C ceiling.
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