Overview
The ADP3338AKCZ-2.5RL7, produced by Analog Devices Inc., is a high-accuracy, ultralow quiescent current, 1 A low dropout (LDO) voltage regulator. This device is part of the ADP33xx family and stands out for its novel architecture and enhanced process, offering superior performance and higher output current compared to conventional LDOs.
It operates with an input voltage range of 2.7 V to 8 V and delivers a load current up to 1 A. The regulator is known for its stability with any good quality capacitor, including ceramic (MLCC) types, making it suitable for space-restricted applications.
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 |
| Output Voltage Accuracy (at 25°C) | ±0.8% | |
| Output Voltage Accuracy (over temperature, line, and load) | ±1.4% | |
| Ambient Temperature Range | -40 to +85 | °C |
| Package Type | SOT-223 |
Key Features
- High accuracy over line and load: ±0.8% at 25°C, ±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.
- Stable with any good quality capacitor, including ceramic (MLCC) types.
- Current and thermal limiting for safety.
- Low noise operation.
- Ultralow quiescent current: 110 µA (typical) in light load situations.
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 ADP3338AKCZ-2.5RL7?
The input voltage range is from 2.7 V to 8 V.
- What is the maximum load current the ADP3338AKCZ-2.5RL7 can deliver?
The maximum load current is up to 1 A.
- What is the typical dropout voltage at 1 A for the ADP3338AKCZ-2.5RL7?
The typical dropout voltage at 1 A is 190 mV.
- What type of capacitors can be used with the ADP3338AKCZ-2.5RL7 for stability?
The device is stable with any good quality capacitor, including ceramic (MLCC) types.
- What is the quiescent current of the ADP3338AKCZ-2.5RL7 in light load situations?
The quiescent current is 110 µA (typical) in light load situations.
- Does the ADP3338AKCZ-2.5RL7 have built-in safety features?
- What is the ambient temperature range for the ADP3338AKCZ-2.5RL7?
The ambient temperature range is from -40°C to +85°C.
- In what package type is the ADP3338AKCZ-2.5RL7 available?
The device is available in an SOT-223 package.
- What are some common applications of the ADP3338AKCZ-2.5RL7?
Common applications include notebook and palmtop computers, SCSI terminators, battery-powered systems, and home entertainment systems.
- How accurate is the output voltage of the ADP3338AKCZ-2.5RL7?
The output voltage accuracy is ±0.8% at 25°C and ±1.4% over temperature, line, and load variations.
