Overview
The ADP2138ACBZ-1.8-R7 is a compact step-down converter produced by Analog Devices Inc. This device is designed for applications requiring low output voltages and high efficiency. It operates with a high-frequency switching mode, enabling slim and lightweight solutions. The ADP2138ACBZ-1.8-R7 is part of the ADP2138 series, which offers fixed output voltages ranging from 0.8V to 3.3V, with this specific model providing a fixed output voltage of 1.8V.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Analog Devices Inc. | |
| Function | Step-Down | |
| Topology | Buck | |
| Output Type | Fixed | |
| Output Voltage | 1.8V | V |
| Output Current | 800mA | mA |
| Input Voltage Range | 2.3V to 5.5V | V |
| Switching Frequency | 3MHz | MHz |
| Synchronous Rectifier | Yes | |
| Operating Temperature | -40°C to 85°C | °C |
| Package / Case | 6-WLCSP (1.03x1.50) | |
| Mounting Type | Surface Mount | |
| Load Regulation | -0.95 %/A | %/A |
Key Features
- High Efficiency: The ADP2138ACBZ-1.8-R7 features an internal power switch and synchronous rectifier, ensuring high efficiency and minimal external part count.
- Fixed Frequency Operation: Operates at a fixed frequency of 3 MHz, set by an internal oscillator, which helps in maintaining high efficiency across various load conditions.
- Power Save Mode: The device shifts to power save mode at light loads, improving light load efficiency by reducing regulation power losses.
- Internal Soft Start and Compensation: Includes internal soft start and compensation, which helps in smooth startup and stable operation.
- Undervoltage Lockout: Prevents deep battery discharge by implementing undervoltage lockout.
- Compact Package: Available in a 6-WLCSP (1.03x1.50) package, making it suitable for slim and lightweight designs.
Applications
- Portable Electronics: Ideal for powering portable devices such as smartphones, tablets, and other handheld electronics due to its high efficiency and compact size.
- Single Lithium or Lithium Polymer Cell Systems: Compatible with single lithium or lithium polymer cell, multiple alkaline or NiMH cell, PCMCIA, and USB power sources.
- Industrial and Automotive Systems: Suitable for use in industrial and automotive applications requiring reliable and efficient power management.
- Consumer Electronics: Used in various consumer electronics where low output voltage and high efficiency are required.
Q & A
- What is the output voltage of the ADP2138ACBZ-1.8-R7?
The output voltage of the ADP2138ACBZ-1.8-R7 is fixed at 1.8V.
- What is the maximum output current of the ADP2138ACBZ-1.8-R7?
The maximum output current is 800mA).
- What is the input voltage range for the ADP2138ACBZ-1.8-R7?
The input voltage range is from 2.3V to 5.5V).
- What is the switching frequency of the ADP2138ACBZ-1.8-R7?
The switching frequency is 3MHz).
- Does the ADP2138ACBZ-1.8-R7 have a synchronous rectifier?
Yes, it includes a synchronous rectifier for high efficiency).
- What is the operating temperature range for the ADP2138ACBZ-1.8-R7?
The operating temperature range is from -40°C to 85°C).
- What package type is the ADP2138ACBZ-1.8-R7 available in?
It is available in a 6-WLCSP (1.03x1.50) package).
- Does the ADP2138ACBZ-1.8-R7 have power save mode?
Yes, it operates in power save mode at light loads to improve efficiency).
- What is the load regulation of the ADP2138ACBZ-1.8-R7?
The load regulation is -0.95 %/A).
- Is the ADP2138ACBZ-1.8-R7 RoHS compliant?
Yes, it is lead-free and RoHS compliant).
