Overview
The ADP3338AKC-3.3-RL is a high-accuracy, ultralow quiescent current, 1 A anyCAP® low dropout voltage regulator produced by Analog Devices Inc. This device is part of the ADP33xx family and is designed for precision regulation of power supplies. It 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 with its novel architecture and enhanced process, offering higher output current and performance advantages over conventional LDOs. It features exceptional accuracy of ±0.8% at room temperature and ±1.4% over temperature, line, and load variations. The device also includes safety current limit and thermal overload protection, making it suitable for a variety of applications.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.7 V to 8 V |
| Output Voltage | 3.3 V |
| Maximum Load Current | 1 A |
| Quiescent Current (Typical) | 110 µA |
| Dropout Voltage (Typical) | 190 mV at 1 A |
| Accuracy (Room Temperature) | ±0.8% |
| Accuracy (Over Temperature, Line, and Load) | ±1.4% |
| Ambient Temperature Range | −40°C to +85°C |
| Package | SOT-223 (KC-3) |
| RoHS Status | Lead free/RoHS Compliant |
Key Features
- Precision voltage regulation with high accuracy (±0.8% at room temperature and ±1.4% over temperature, line, and load variations).
- Low noise operation with minimal ripple and high stability.
- Ultralow quiescent current of 110 µA (typical) in light load situations.
- Small SOT-223 package suitable for space-constrained installations.
- Stable with any good quality capacitor, including ceramic (MLCC) types.
- Safety features include current limit and thermal overload protection.
Applications
- Notebook and palmtop computers.
- SCSI terminators.
- Battery-powered systems.
- Bar code scanners and camcorders.
- Home entertainment systems.
- Networking systems.
- DSP/ASIC supplies.
- Medical device power supplies.
- Industrial control systems.
- Consumer electronics.
- Automotive applications.
Q & A
- Q: What is the input voltage range of the ADP3338AKC-3.3-RL?
A: The input voltage range is 2.7 V to 8 V. - Q: What is the maximum load current the ADP3338AKC-3.3-RL can deliver?
A: The maximum load current is up to 1 A. - Q: What is the typical quiescent current of the ADP3338AKC-3.3-RL?
A: The typical quiescent current is 110 µA. - Q: What is the dropout voltage of the ADP3338AKC-3.3-RL at 1 A?
A: The dropout voltage is 190 mV (typical) at 1 A. - Q: What is the accuracy of the ADP3338AKC-3.3-RL over temperature, line, and load variations?
A: The accuracy is ±1.4% over temperature, line, and load variations. - Q: What type of package does the ADP3338AKC-3.3-RL come in?
A: The device comes in a SOT-223 (KC-3) package. - Q: Is the ADP3338AKC-3.3-RL RoHS compliant?
A: Yes, the device is lead free/RoHS Compliant. - Q: What safety features does the ADP3338AKC-3.3-RL include?
A: The device includes safety current limit and thermal overload protection. - Q: What types of capacitors can be used with the ADP3338AKC-3.3-RL for stability?
A: The device is stable with any good quality capacitor, including ceramic (MLCC) types. - Q: What are some common applications of the ADP3338AKC-3.3-RL?
A: Common applications include notebook and palmtop computers, SCSI terminators, battery-powered systems, bar code scanners, camcorders, home entertainment systems, networking systems, DSP/ASIC supplies, medical device power supplies, industrial control systems, consumer electronics, and automotive applications.
