Overview
The ADP2108AUJZ-1.1-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 operate with an input voltage range of 2.3 V to 5.5 V and can regulate an output voltage down to 1.0 V. It is available in two different packages, including a 5-ball WLCSP and a 5-lead TSOT, making it suitable for a variety of portable and power-sensitive applications.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.3 V to 5.5 V |
| Output Voltage (Fixed) | 1.1 V |
| Maximum Load Current | 600 mA |
| Operating Frequency | 3 MHz (fixed frequency) |
| Quiescent Current (Typical) | 18 μA |
| Shutdown Supply Current | 0.2 μA |
| Efficiency (Peak) | 95% |
| Package Type | 5-ball WLCSP, 5-lead TSOT |
| Thermal Shutdown Protection | Yes |
| Current Overload Protection | Yes |
Key Features
- High efficiency with a peak efficiency of 95%
- Low quiescent current of 18 μA (typical)
- 3 MHz fixed frequency operation
- Current mode architecture for fast load and line transient response
- Internal synchronous rectifier and internal compensation
- Internal soft start and 100% duty cycle low dropout mode
- Thermal shutdown and current overload protection
- Compact solution requiring only three tiny external components
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-1.1-R7? The input voltage range is 2.3 V to 5.5 V.
- What is the maximum load current of the ADP2108AUJZ-1.1-R7? The maximum load current is 600 mA.
- What is the operating frequency of the ADP2108AUJZ-1.1-R7? The operating frequency is 3 MHz (fixed frequency).
- What is the typical quiescent current of the ADP2108AUJZ-1.1-R7? The typical quiescent current is 18 μA.
- Does the ADP2108AUJZ-1.1-R7 have thermal shutdown protection? Yes, it does have thermal shutdown protection.
- What type of packages is the ADP2108AUJZ-1.1-R7 available in? It is available in 5-ball WLCSP and 5-lead TSOT packages.
- What is the peak efficiency of the ADP2108AUJZ-1.1-R7? The peak efficiency is 95%.
- Does the ADP2108AUJZ-1.1-R7 have current overload protection? Yes, it does have current overload protection.
- What are the typical applications of the ADP2108AUJZ-1.1-R7? Typical applications include PDAs, wireless handsets, digital audio players, and digital cameras.
- How many external components are required for the ADP2108AUJZ-1.1-R7? Only three tiny external components are required.
