Features and Benefits
- High Accuracy Over Line and Load: ±0.8% @ 25°C, ±1.4% Over Temperature
- Ultralow Dropout Voltage: 190 mV (Typ) @ 1 A
- Requires Only CO = 1 µF for Stability
- anyCAP = Stable with Any Type of Capacitor (Including MLCC)
- Current and Thermal Limiting
- Low Noise
- 2.7 V to 8 V Supply Range
- –40°C to +85°C Ambient Temperature Range
- SOT-223 Package
The ADP3338 is a member of the ADP330x family of precision low dropout anyCAP® voltage regulators. The ADP3338 operates with an input voltage range of +2.7 V to +8 V and delivers a load current up to 1 A. The ADP3338 stands out from the conventional LDOs with a novel architecture and an enhanced process that enables it to offer performance advantages and higher output current than its competition. Its patented design requires only a 1.0 µF output capacitor for stability. This device is insensitive to output capacitor Equivalent Series Resistance (ESR), and is stable with any good quality capacitor, including ceramic (MLCC) types for space-restricted applications. The ADP3338 achieves exceptional accuracy of ±0.9% at room temperature and ±1.8% over temperature, line and load variations. The dropout voltage of the ADP3338 is only 200 mV (typical) at 1 A. This device also includes a safety current limit and thermal overload protection. The ADP3338 has ultralow quiescent current 130 µA (typ) in light load situations.
- Notebook, palmtop computers
- SCSI terminators
- Battery-powered systems
- Bar code scanners
- Camcorders, cameras
- Home entertainment systems
- Networking systems
- DSP/ASIC supplies
Markets and Technologies
Product Lifecycle Not Recommended for New Designs
This designates products ADI does not recommend broadly for new designs.
Documentation & Resources
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Microsoft Excel download tool from ADIsimPower to generate a power supply design complete with a schematic, bill of materials, and performance specifications.
Reference Designs (1)
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