Overview
The ADP2108ACBZ-1.0-R7 is a high-efficiency, low quiescent current step-down DC-to-DC converter manufactured by Analog Devices Inc. This compact device is designed for use in portable electronics and other applications where space and power efficiency are critical. It operates with an input voltage range of 2.3 V to 5.5 V and can regulate an output voltage down to 1.0 V. The ADP2108 features a proprietary high-speed current mode, constant frequency PWM control scheme, ensuring excellent stability and transient response.
Key Specifications
| Specification | Value |
|---|---|
| Input Voltage Range | 2.3 V to 5.5 V |
| Output Voltage | 1.0 V |
| Maximum Load Current | 600 mA |
| Quiescent Current | 18 μA |
| Switching Frequency | 3 MHz |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +125°C |
| Package Type | 5-ball WLCSP or 5-lead TSOT |
| Peak Efficiency | 95% |
Key Features
- High efficiency with a peak efficiency of 95%
- 3 MHz fixed frequency operation
- Typical 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
- Shutdown supply current of 0.2 μA
- 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 ADP2108ACBZ-1.0-R7?
The input voltage range is 2.3 V to 5.5 V.
- What is the maximum load current of the ADP2108ACBZ-1.0-R7?
The maximum load current is 600 mA.
- What is the switching frequency of the ADP2108ACBZ-1.0-R7?
The switching frequency is 3 MHz.
- What is the quiescent current of the ADP2108ACBZ-1.0-R7?
The typical quiescent current is 18 μA.
- Does the ADP2108ACBZ-1.0-R7 have thermal shutdown protection?
Yes, it has thermal shutdown protection.
- What are the package options for the ADP2108ACBZ-1.0-R7?
The device is available in 5-ball WLCSP and 5-lead TSOT packages.
- What is the peak efficiency of the ADP2108ACBZ-1.0-R7?
The peak efficiency is 95%.
- Does the ADP2108ACBZ-1.0-R7 support 100% duty cycle operation?
Yes, it supports 100% duty cycle low dropout mode.
- What design tool supports the ADP2108ACBZ-1.0-R7?
The device is supported by the ADIsimPower™ design tool.
- What are some typical applications for the ADP2108ACBZ-1.0-R7?
Typical applications include PDAs, wireless handsets, digital audio and portable media players, and digital cameras.
