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1. Description
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.
2. Features
1. Microsize Packages: SC70-3, SOT-23-3, UQFN-8
2. Low Supply Current: 3.9 μA (typ)
3. Extremely Low Dropout Voltage: 110 mV (typ)
4. High Output Current: ±5 mA
5. Low Temperature Drift: 30 ppm/°C (max)
6. High Initial Accuracy: ±0.15% (max)
7. 0.1-Hz to 10-Hz Noise: 35 μVPP (REF3312)
8. Voltage Options: 1.2 V, 1.8 V, 2.5 V, 3 V, 3.3 V
3. Applications
1. Portable Equipment
2. Tablets and Smartphones
3. Hard Disk Drives
4. Sensor Modules
5. Data Acquisition Systems
6. Medical Equipment
7. Test Equipment
4. Pin configuration
5. Pin Description
