Overview
The ADP2108AUJZ-1.2-R7 is a high-efficiency, low quiescent current step-down DC-DC converter manufactured by Analog Devices Inc. This compact device is designed for use in a variety of portable and low-power applications, offering excellent stability and transient response. It operates with a fixed frequency, current mode PWM control architecture and features an internal synchronous rectifier, internal compensation, and internal soft start. The ADP2108AUJZ-1.2-R7 is available in a 5-lead TSOT package, making it ideal for space-constrained designs.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | ADP2108AUJZ-1.2-R7 |
| Manufacturer | Analog Devices Inc. |
| Product Category | Switching Voltage Regulators |
| Topology | Buck (Step Down) |
| Output Voltage | 1.2 V |
| Output Current | 600 mA |
| Number of Outputs | 1 Output |
| Input Voltage Range | 2.3 V to 5.5 V |
| Quiescent Current | 18 μA |
| Switching Frequency | 3 MHz |
| Operating Temperature Range | -40°C to +125°C |
| Package / Case | TSOT-23-5 |
| Height | 0.9 mm |
| Length | 2.9 mm |
| Width | 1.6 mm |
Key Features
- Peak efficiency: 95%
- Fixed frequency operation at 3 MHz
- Typical quiescent current: 18 μA
- Maximum load current: 600 mA
- Internal synchronous rectifier, internal compensation, and internal soft start
- Current mode architecture for fast load and line transient response
- 100% duty cycle low dropout mode
- Current overload protection and thermal shutdown protection
- Shutdown supply current: 0.2 μA
- Supported by ADIsimPower™ design tool
Applications
The ADP2108AUJZ-1.2-R7 is suitable for a variety of applications, including:
- PDAs and palmtop computers
- Wireless handsets
- Digital audio and portable media players
- Digital cameras and GPS navigation units
Q & A
- What is the output voltage of the ADP2108AUJZ-1.2-R7?
The output voltage of the ADP2108AUJZ-1.2-R7 is 1.2 V. - What is the maximum output current of the ADP2108AUJZ-1.2-R7?
The maximum output current is 600 mA. - What is the input voltage range for the ADP2108AUJZ-1.2-R7?
The input voltage range is from 2.3 V to 5.5 V. - What is the switching frequency of the ADP2108AUJZ-1.2-R7?
The switching frequency is 3 MHz. - What is the quiescent current of the ADP2108AUJZ-1.2-R7?
The typical quiescent current is 18 μA. - What protection features does the ADP2108AUJZ-1.2-R7 have?
The device features current overload protection, thermal shutdown protection, and undervoltage lockout. - What is the operating temperature range of the ADP2108AUJZ-1.2-R7?
The operating temperature range is from -40°C to +125°C. - What package type is the ADP2108AUJZ-1.2-R7 available in?
The device is available in a 5-lead TSOT package. - Is the ADP2108AUJZ-1.2-R7 supported by any design tools?
Yes, it is supported by the ADIsimPower™ design tool. - What are some typical applications for the ADP2108AUJZ-1.2-R7?
Typical applications include PDAs, wireless handsets, digital audio and portable media players, and digital cameras.
