Overview
The ADP2108AUJZ-1.8-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 reliable and efficient power management in a variety of portable and low-power applications. 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 fixed frequency of 3 MHz and uses a proprietary high-speed current mode, constant frequency PWM control scheme for excellent stability and transient response.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.3 V to 5.5 V |
| Output Voltage | 1.8 V |
| Output Current | 600 mA |
| Switching Frequency | 3 MHz |
| Quiescent Current | 18 μA |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | 125°C |
| Package Type | TSOT-23-5 |
| Topology | Buck (Step-Down) |
| Number of Outputs | 1 |
Key Features
- High efficiency with a peak efficiency of 95%
- Fixed frequency operation at 3 MHz
- Low quiescent current of 18 μA
- Maximum load current of 600 mA
- Internal synchronous rectifier and internal compensation
- Internal soft start and current overload protection
- Thermal shutdown protection
- 100% duty cycle low dropout mode
- Power save mode for improved efficiency at light loads
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-1.8-R7?
The input voltage range is 2.3 V to 5.5 V.
- What is the output voltage of the ADP2108AUJZ-1.8-R7?
The output voltage is 1.8 V.
- What is the maximum output current of the ADP2108AUJZ-1.8-R7?
The maximum output current is 600 mA.
- What is the switching frequency of the ADP2108AUJZ-1.8-R7?
The switching frequency is 3 MHz.
- What is the quiescent current of the ADP2108AUJZ-1.8-R7?
The quiescent current is 18 μA.
- Does the ADP2108AUJZ-1.8-R7 have thermal protection?
Yes, it has thermal shutdown protection.
- What is the package type of the ADP2108AUJZ-1.8-R7?
The package type is TSOT-23-5.
- What are the typical applications of the ADP2108AUJZ-1.8-R7?
Typical applications include PDAs, wireless handsets, digital audio and portable media players, and digital cameras.
- Does the ADP2108AUJZ-1.8-R7 have a power save mode?
Yes, it has a power save mode for improved efficiency at light loads.
- What is the operating temperature range of the ADP2108AUJZ-1.8-R7?
The operating temperature range is -40°C to 125°C.
