Overview
The ADP2108ACBZ-2.5-R7 is a high-efficiency, current-mode, step-down DC-DC switching regulator manufactured by Analog Devices Inc. This compact device is designed for portable electronics and other low-power applications, offering a highly integrated solution with minimal external components required.
It operates within an input voltage range of 2.3 V to 5.5 V and can regulate an output voltage down to 1.0 V, with a maximum load current of 600 mA. The device is available in a 5-ball WLCSP or 5-lead TSOT package, making it ideal for space-constrained designs.
Key Specifications
| Parameter | Value |
|---|---|
| Brand | Analog Devices Inc. |
| Part Number | ADP2108ACBZ-2.5-R7 |
| Topology | Buck (Step-Down) |
| Package / Case | 5-ball WLCSP or 5-lead TSOT |
| Output Voltage | 2.5 V |
| Output Current | 600 mA |
| Number of Outputs | 1 Output |
| Input Voltage, Min | 2.3 V |
| Input Voltage, Max | 5.5 V |
| Quiescent Current | 18 μA |
| Switching Frequency | 3 MHz |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +125°C |
Key Features
- High efficiency with peak efficiency up to 95%
- Fixed frequency operation at 3 MHz
- Low quiescent current of 18 μA
- Current mode architecture for fast load and line transient response
- 100% duty cycle low dropout mode
- Internal synchronous rectifier, internal compensation, and internal soft start
- Current overload protection and 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-2.5-R7?
The input voltage range is from 2.3 V to 5.5 V.
- What is the maximum output current of the ADP2108ACBZ-2.5-R7?
The maximum output current is 600 mA.
- What is the switching frequency of the ADP2108ACBZ-2.5-R7?
The switching frequency is 3 MHz.
- What are the package options for the ADP2108ACBZ-2.5-R7?
The device is available in a 5-ball WLCSP or 5-lead TSOT package.
- What is the quiescent current of the ADP2108ACBZ-2.5-R7?
The quiescent current is 18 μA.
- Does the ADP2108ACBZ-2.5-R7 have built-in protection features?
Yes, it includes current overload protection and thermal shutdown protection.
- What is the operating temperature range of the ADP2108ACBZ-2.5-R7?
The operating temperature range is from -40°C to +125°C.
- What design tool supports the ADP2108ACBZ-2.5-R7?
The device is supported by ADIsimPower™ design tool.
- What are some typical applications for the ADP2108ACBZ-2.5-R7?
Typical applications include PDAs, wireless handsets, digital audio players, and digital cameras.
- How does the ADP2108ACBZ-2.5-R7 manage power efficiency at light loads?
The device transitions to a power save mode at light loads, which reduces regulation power losses by entering an idle mode and controlling the output voltage in a hysteretic manner.
