| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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9,759 pcs
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9759 pcs | On Request | 1 | On Request | On Request | 21 | On Request | On Request | |
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1,012 pcs
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1012 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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55 pcs
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55 pcs | On Request | 1 | On Request | On Request | 2026-02-25 06:16:38 | On Request | On Request |
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The Texas Instruments REG1117-3.3 is an 800mA linear voltage regulator designed for various applications requiring a stable 3.3V output. It operates with an input voltage range from 3.7V to 15V and offers a typical dropout voltage of 1100mV at 800mA.
Key electrical characteristics include a low quiescent current of 4mA typical and a PSRR of 29dB at 100 KHz. The regulator includes internal current limit and thermal overload protection features. It is suitable for applications such as SCSI-2 active termination, battery-powered instrumentation, and core voltage supply for FPGAs, PLDs, DSPs, and CPUs.
The REG1117-3.3 is available in a surface-mount SOT-223-4 package. The operating temperature range is -40°C to 125°C, making it suitable for demanding environments. The part offers a ±1% maximum output tolerance and requires a minimum load capacitance of 10µF.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.17 | $1.17 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
-40°C to 125°C.
SOT-223-4 (also TO-261-4, TO-261AA).
3.7V to 15V.
3.3V fixed.
800mA.
1.1V typical (1.2V maximum at 800mA load).
38µVrms typical.