Fixed 3.3 V boost with a 3.6 A switch
The TPS61031RSAR is a fixed 3.3 V output boost converter from TI, delivering up to 3.6 A on the internal switch.
TPS61031RSAR Boost Converter, 3.6 A Switch
MPNTPS61031RSAR
Active
Texas Instruments TPS61031RSAR, Step-Up Boost Converter, Fixed 3.3 V Output, 3.6 A Switch, 600 kHz, 1.8 V to 5.5 V Input, Synchronous Rectifier, -40°C to 85°C, 16-QFN (4x4) Exposed Pad.
$1.6695Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Output type | Fixed |
| Mounting | Surface Mount |
| Voltage - input | 5.5V |
| Voltage - output (Min (Fixed)) | 3.3V |
| Output current | 3.6A (Switch) |
| Frequency | 600kHz |
| I/O channels | 1 |
| Operating temperature | -40°C~85°C(TA) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Function | Step-Up |
| Topology | Boost |
| Case | 16-VQFN Exposed Pad |
| Output configuration | Positive |
| Synchronous rectifier | Yes |
Product details
Frequently asked questions
What is the output voltage of TPS61031RSAR?
Design engineers need to confirm the fixed output matches their load requirement.
Is TPS61031RSAR in stock at Digi-Key?
Sourcing buyers need immediate availability to avoid production delays.
What is the pinout of TPS61031RSAR?
Maintenance technicians replacing a failed unit must verify correct connections.
What is the junction temperature range of TPS61031RSAR?
Thermal design ensures reliable operation under load without overheating.
Is TPS61031RSAR obsolete or end of life?
Brokers check lifecycle to avoid long-term supply risk.
What are alternatives to TPS61031RSAR?
Cross reference needed when part is out of stock or for second sourcing.