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ADP3331:  HIGH ACCURACY, ULTRA-LOW QUIESCENT CURRENT LDO; SOT-23

The ADP3331 is a member of the ADP330x family of precision low dropout anyCAP™ voltage regulators. The ADP3331 operates with an input voltage range of 2.9 V to 12 V and delivers a load current up to 200 mA. The ADP3331 stands out from the conventional LDO's with a novel architecture and an enhanced process which enables it to offer performance advantages and higher output current than ...More

ADP3331:  High Accuracy, Ultra-Low Quiescent Current LDO; SOT-23

Product Description

The ADP3331 is a member of the ADP330x family of precision low dropout anyCAP™ voltage regulators. The ADP3331 operates with an input voltage range of 2.9 V to 12 V and delivers a load current up to 200 mA. The ADP3331 stands out from the conventional LDO's with a novel architecture and an enhanced process which enables it to offer performance advantages and higher output current than its compeititon. Its patented design requires only a 0.47 µF output capacitor for stability. This device is insensitive to capacitor Equivalent Series Resistance (ESR), and is stable with any good quality capacitor, including ceramic (MLCC) types for space restricted applications. The ADP3331 achieves exceptional accuracy of ± 0.7% at room temperature and ± 1.4% overall accuracy over temperature, line and load variations. The dropout voltage of the ADP3331 is only 140 mV (typical) at 200 mA. This device also includes a safety current limit, thermal overload protection and a shutdown feature. In shutdown mode, the ground current is reduced to less than 2 µA. The ADP3331 has ultralow quiescent current 34 µA (typical) in light load situations. The SOT-23-6 package has been thermally enhanced using Analog Device's proprietary Chip-on-Lead™ feature to maximize power dissipation.

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  • High Accuracy over Line and Load: ±0.7% @ 25°C, 1.4% over Temperature
  • Ultralow Dropout Voltage: 140 mV (Typ) @
    200 mA
  • Can Be Used as a High Current (>1 A) LDO Controller
  • Requires Only CO = 0.47 µF for Stability
  • anyCAP = Stable with Any Type of Capacitor (Including MLCC)
  • Current and Thermal Limiting
  • Low Noise
  • Low Shutdown Current: 10 nA Typical
  • 2.6 V to 12 V Supply Range
  • 1.5 V to 11.75 V Output Range
  • –40°C to +85°C Ambient Temperature
    Range
  • Ultrasmall Thermally Enhanced
    Chip-on-Lead™ SOT-23-6
    Lead Package
  • Product Description: Adjustable 1.5V-10V Output, Ultralow Iq, 200 mA, anyCAP® Low Dropout Regulator in SOT-23
  • Vout Preset (V): n/a
  • Vout Adj Range: 1.5V to 11.75V
  • Vin Range (Vmin to Vmax): 2.6 to 12
  • Iout (max): 200mA
  • Supply Current : 4mA
  • Vdropout @ Rated Iout: 140mV to 230mV
  • Vout Total Acc: 1.4% @ 0.1 mA - Iout max
  • Package: SOT23-6
  • # of Outputs: 1
  • Shutdown: Yes
  • Operating Temp Range: -40 to +85

Functional Block Diagram for ADP3331

ADP3331 Diagram
Functional Block Diagram for ADP3331

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