The REF31xx is a family of precision, low power, low dropout, series voltage references available in the tiny 3-pin SOT-23 package.
The REF31xx’s small size and low power consumption (100 µA typical) make it ideal for portable and battery-powered applications. The REF31xx does not require a load capacitor, but is stable with any capacitive load and can sink or source up to 10 mA of output current.
Unloaded, the REF31xx can operate on supplies down to 5 mV above the output voltage. All models are specified for the wide temperature range of –40°C to +125°C.
| VO (V) | 3.3 |
| Initial accuracy (max) (%) | 0.2 |
| Temp coeff (max) (ppm/°C) | 20 |
| Vin (min) (V) | 3.35 |
| Vin (max) (V) | 5.5 |
| Iq (typ) (mA) | 0.1 |
| Rating | Catalog |
| LFN 0.1 to 10 Hz (typ) (µVPP) | 43 |
| Iout/Iz (max) (mA) | 10 |
| Operating temperature range (°C) | -40 to 125 |
| SOT-23 (DBZ) | 3 | 6.9204 mm² 2.92 x 2.37 |
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