The REF33xx is a low-power, precision, low-dropout voltage reference family available in tiny SC70-3 and SOT-23-3 packages, and in a 1.5-mm × 1.5-mm UQFN-8 package. Small size and low power consumption (5-µA max) make the REF33xx ideal for a wide variety of portable and battery-powered applications.
The REF33xx can be operated at a supply voltage 180 mV above the specified output voltage under normal load conditions, with the exception of the REF3312, which has a minimum supply voltage of 1.7 V. All models are specified for the wide temperature range of –40°C to +125°C.
| VO (V) | 2.5 |
| Initial accuracy (max) (%) | 0.15 |
| Temp coeff (max) (ppm/°C) | 30 |
| Vin (min) (V) | 2.7 |
| Vin (max) (V) | 5.5 |
| Iq (typ) (mA) | 0.0039 |
| Rating | Catalog |
| TI functional safety category | Functional Safety-Capable |
| LFN 0.1 to 10 Hz (typ) (µVPP) | 70 |
| Iout/Iz (max) (mA) | 5 |
| Operating temperature range (°C) | -40 to 125 |
| SOT-23 (DBZ) | 3 | 6.9204 mm² 2.92 x 2.37 |
| SOT-SC70 (DCK) | 3 | 4.2 mm² 2 x 2.1 |
| UQFN (RSE) | 8 | 2.25 mm² 1.5 x 1.5 |
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