Overview
The ADP3338AKC-2.5-RL7, produced by Analog Devices Inc., is a high-accuracy, ultralow quiescent current, 1 A anyCAP low dropout (LDO) voltage regulator. This device is part of the ADP33xx family and stands out from conventional LDOs due to its novel architecture and enhanced process, offering superior performance and higher output current. It operates within an input voltage range of 2.7 V to 8 V and delivers a load current up to 1 A, making it suitable for a variety of applications requiring precise voltage regulation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 2.7 to 8 | V |
| Output Voltage | 2.5 | V |
| Maximum Load Current | 1 | A |
| Dropout Voltage (typical at 1 A) | 190 | mV |
| Quiescent Current (typical in light load) | 110 | µA |
| Accuracy at Room Temperature | ±0.8% | |
| Accuracy over Temperature, Line, and Load | ±1.4% | |
| Ambient Temperature Range | -40°C to +85°C | |
| Package Type | SOT-223 | |
| Output Capacitor Requirement | 1 µF or larger |
Key Features
- High accuracy over line and load: ±0.8% at room temperature and ±1.4% over temperature, line, and load variations.
- Ultralow dropout voltage: 190 mV (typical) at 1 A.
- Requires only a 1 µF output capacitor for stability, and is stable with any good quality capacitor, including ceramic (MLCC) types.
- Ultralow quiescent current: 110 µA (typical) in light load situations.
- Current and thermal limiting for safety.
- Low noise operation.
Applications
- Notebook and palmtop computers.
- SCSI terminators.
- Battery-powered systems.
- Bar code scanners.
- Camcorders and cameras.
- Home entertainment systems.
- Networking systems.
- DSP/ASIC supplies.
Q & A
- What is the input voltage range of the ADP3338AKC-2.5-RL7?
The input voltage range is 2.7 V to 8 V.
- What is the maximum load current the ADP3338AKC-2.5-RL7 can deliver?
The maximum load current is 1 A.
- What is the typical dropout voltage at 1 A for the ADP3338AKC-2.5-RL7?
The typical dropout voltage at 1 A is 190 mV.
- What type of output capacitor is required for stability?
A 1 µF or larger capacitor is required, and the device is stable with any good quality capacitor, including ceramic (MLCC) types.
- What is the quiescent current in light load situations?
The quiescent current is 110 µA (typical) in light load situations.
- Does the ADP3338AKC-2.5-RL7 have built-in safety features?
- What is the ambient temperature range for the ADP3338AKC-2.5-RL7?
The ambient temperature range is -40°C to +85°C.
- In what package type is the ADP3338AKC-2.5-RL7 available?
The device is available in a SOT-223 package.
- What are some typical applications for the ADP3338AKC-2.5-RL7?
Typical applications include notebook and palmtop computers, SCSI terminators, battery-powered systems, bar code scanners, camcorders, cameras, home entertainment systems, networking systems, and DSP/ASIC supplies.
- How accurate is the ADP3338AKC-2.5-RL7 in terms of output voltage regulation?
The device achieves an accuracy of ±0.8% at room temperature and ±1.4% over temperature, line, and load variations.
