Overview
The ADP2108AUJZ-3.0-R7 is a high-efficiency, low quiescent current step-down DC-to-DC converter manufactured by Analog Devices Inc. This compact device is designed to provide a fixed output voltage and is available in two different packages, including the SOT-23-5 Thin and TSOT-23-5. The ADP2108 is optimized for applications requiring high efficiency, fast transient response, and minimal external components.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.3 V to 5.5 V |
| Output Voltage | Fixed (e.g., 3.0 V for ADP2108AUJZ-3.0-R7) |
| Maximum Load Current | 600 mA |
| Operating Frequency | 3 MHz |
| Typical Quiescent Current | 18 μA |
| Peak Efficiency | 95% |
| Package Type | SOT-23-5 Thin, TSOT-23-5 |
| Shutdown Supply Current | 0.2 μA |
Key Features
- High efficiency with a peak efficiency of 95%
- 3 MHz fixed frequency operation
- Low quiescent current of 18 μA
- Maximum load current of 600 mA
- Current mode architecture for fast load and line transient response
- 100% duty cycle low dropout mode
- Internal synchronous rectifier and internal compensation
- Internal soft start and current overload protection
- Thermal shutdown protection
- Supported by ADIsimPower™ design tool
Applications
- PDAs and palmtop computers
- Wireless handsets
- Digital audio and portable media players
- Digital cameras and GPS navigation units
Q & A
- What is the input voltage range of the ADP2108AUJZ-3.0-R7?
The input voltage range is 2.3 V to 5.5 V.
- What is the maximum load current of the ADP2108?
The maximum load current is 600 mA.
- What is the operating frequency of the ADP2108?
The operating frequency is 3 MHz.
- What is the typical quiescent current of the ADP2108?
The typical quiescent current is 18 μA.
- What are the key protection features of the ADP2108?
The key protection features include current overload protection, thermal shutdown protection, and undervoltage lockout.
- What is the peak efficiency of the ADP2108?
The peak efficiency is 95%.
- What packages are available for the ADP2108?
The ADP2108 is available in SOT-23-5 Thin and TSOT-23-5 packages.
- What design tool supports the ADP2108?
The ADP2108 is supported by the ADIsimPower™ design tool.
- How does the ADP2108 operate at light loads?
The ADP2108 smoothly transitions to a power save mode at light loads, which reduces regulation power losses and improves conversion efficiency.
- What are some common applications of the ADP2108?
Common applications include PDAs, wireless handsets, digital audio and portable media players, and digital cameras.
