Overview
The ADP2109ACBZ-1.5-R7 is a high-efficiency, low quiescent current step-down DC-to-DC converter produced by Analog Devices Inc. This component is part of the ADP2109 series and is designed to operate in a step-down configuration. It features an internal power switch and synchronous rectifier, minimizing the need for external components and enhancing efficiency. The device is packaged in a compact 5-ball WLCSP (Wafer Level Chip Scale Package), making it suitable for space-constrained applications. It supports input voltages ranging from 2.3V to 5.5V and provides a fixed output voltage of 1.5V with a maximum load current of 600mA.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Topology | Buck | |
| Input Voltage Range | 2.3V to 5.5V | V |
| Output Voltage | 1.5V (Fixed) | V |
| Output Current | 600mA | mA |
| Switching Frequency | 3MHz | MHz |
| Synchronous Rectifier | Yes | |
| Package Type | 5-WFBGA, WLCSP | |
| Operating Temperature Range | -40°C to +85°C | °C |
| Mounting Type | Surface Mount |
Key Features
- High Efficiency: The ADP2109ACBZ-1.5-R7 features a high-efficiency design, especially useful in battery-powered applications to extend battery life.
- Internal Power Switch and Synchronous Rectifier: Reduces the need for external components, enhancing efficiency and minimizing part count.
- Compact Packaging: The 5-ball WLCSP package is ultra-small, making it ideal for space-constrained designs.
- Power Save Mode: The device shifts to a power save mode under light load conditions to reduce switching frequency and lower regulation power losses.
- Internal Soft Start and Compensation: Prevents input current overshoot at startup and ensures stable operation.
- Thermal Shutdown and Overload Protection: Provides thermal shutdown and current overload protection for reliable operation.
- Low Dropout Mode: Supports 100% duty-cycle low dropout mode for continuous operation.
Applications
- PDAs and Palmtop Computers: Suitable for portable computing devices due to its high efficiency and compact size.
- Wireless Handsets: Ideal for mobile phones and other wireless communication devices.
- Digital Audio and Portable Media Players: Used in audio and media players to optimize battery life.
- Digital Cameras and GPS Navigation Units: Applicable in various portable electronic devices requiring efficient power management.
Q & A
- What is the input voltage range of the ADP2109ACBZ-1.5-R7?
The input voltage range is from 2.3V to 5.5V.
- What is the fixed output voltage of the ADP2109ACBZ-1.5-R7?
The fixed output voltage is 1.5V.
- What is the maximum output current of the ADP2109ACBZ-1.5-R7?
The maximum output current is 600mA.
- What is the switching frequency of the ADP2109ACBZ-1.5-R7?
The switching frequency is 3MHz.
- Does the ADP2109ACBZ-1.5-R7 have a synchronous rectifier?
Yes, it does.
- What is the package type of the ADP2109ACBZ-1.5-R7?
The package type is 5-WFBGA, WLCSP.
- What is the operating temperature range of the ADP2109ACBZ-1.5-R7?
The operating temperature range is from -40°C to +85°C.
- Does the ADP2109ACBZ-1.5-R7 have thermal shutdown protection?
Yes, it does.
- What are some typical applications of the ADP2109ACBZ-1.5-R7?
Typical applications include PDAs, wireless handsets, digital audio players, and GPS navigation units.
- How does the power save mode work in the ADP2109ACBZ-1.5-R7?
The power save mode reduces the switching frequency under light load conditions to lower regulation power losses.
