The TLV702 series are fixed-output low-dropout regulators that supply 300 mA with 2 percent accuracy, 35 µA quiescent current and a dropout of 220 mV at full load for a 2.8 V output. It is a small, quiet 3.3 V or 2.8 V rail for sensors and microcontrollers. Figures are from the Texas Instruments TLV702 datasheet SLVSAG6D.
Key specifications
| Current | 300 mA |
|---|---|
| IQ | 35 µA |
| Accuracy | 2% |
| Output | 1.2–4.8 V fixed |
| Dropout | 220 mV at 300 mA (2.8 V out) |
| PSRR | 68 dB at 1 kHz |
What the datasheet promises
| Item | Datasheet value |
|---|---|
| Output current | 300 mA |
| Output voltage | Fixed versions from 1.2 V to 4.8 V |
| Accuracy | 2 percent |
| Quiescent current | 35 µA |
| Dropout | 37 mV at 50 mA, 75 mV at 100 mA and 220 mV at 300 mA (2.8 V output) |
| Ripple rejection | 68 dB at 1 kHz |
| Output capacitor | Stable with effective capacitance of 0.1 µF |
| Protection | Thermal shutdown and current limit; TLV702P adds active output pulldown |
| Packages | SOT-23-5 and WSON-6 (1.5 × 1.5 mm) |
It is a linear regulator, so the dissipated power is the input-output voltage difference times the load current; for a large step down from a 12 V rail use a switching converter such as the TPS62130 first.
Using it on a robot
- Power a 3.3 V microcontroller or sensor from a single Li-ion cell, where the low dropout lets the cell discharge further.
- Use it after a switching regulator to clean up a rail for an analog sensor.
- Place the input and output capacitors close to the pins, as the datasheet layout section says.
Sources and further reading
- Texas Instruments TLV702 datasheet (SLVSAG6D) — current, accuracy, quiescent current, dropout, PSRR and packages above.
Last reviewed: November 2026. Limits are from the Texas Instruments datasheet; breakout boards and modules vary. No price is quoted because it has not been checked.
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