Overview
The ADP2138ACBZ-1.0-R7 is a high-efficiency, synchronous step-down DC-DC converter manufactured by Analog Devices Inc. This component is designed to provide reliable output with a current capability suitable for a wide range of applications. It features high-frequency operation, enabling the development of slim and lightweight solutions. The ADP2138ACBZ-1.0-R7 is part of the ADP2138 series, known for its low quiescent current and compact design, making it ideal for power management in various portable and low-power devices.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Function | Step-Down | |
| Output Configuration | Positive | |
| Topology | Buck | |
| Output Type | Fixed | |
| Voltage - Input (Min) | 2.3 | V |
| Voltage - Input (Max) | 5.5 | V |
| Voltage - Output (Fixed) | 1.0 | V |
| Current - Output | 800 | mA |
| Frequency - Switching | 3 | MHz |
| Synchronous Rectifier | Yes | |
| Operating Temperature | -40°C to 85°C | |
| Mounting Type | Surface Mount | |
| Package / Case | 6-WLCSP (1.03x1.50) | |
| Minimum Operating Temperature | -40°C | |
| Maximum Operating Temperature | +125°C | |
| Quiescent Current | 24 μA | |
| Shutdown Current | 0.2 μA (typical) |
Key Features
- High-efficiency synchronous step-down DC-DC conversion
- Fixed output voltage of 1.0V with an output current of up to 800mA
- High-frequency operation at 3MHz, enabling compact and lightweight designs
- Internal synchronous rectifier, compensation, and soft start
- Current overload and thermal shutdown protections
- Ultralow shutdown current of 0.2 μA (typical)
- Forced PWM and automatic PWM/PSM modes
- Supported by ADIsimPower™ design tool
- Compact 6-WLCSP package (1.03x1.50 mm)
Applications
- PDAs and palmtop computers
- Wireless handsets
- Digital audio and portable media players
- Digital cameras and GPS navigation units
- Other portable and low-power electronic devices
Q & A
- What is the output voltage of the ADP2138ACBZ-1.0-R7?
The output voltage is fixed at 1.0V.
- What is the maximum output current of the ADP2138ACBZ-1.0-R7?
The maximum output current is 800mA.
- What is the switching frequency of the ADP2138ACBZ-1.0-R7?
The switching frequency is 3MHz.
- Does the ADP2138ACBZ-1.0-R7 have internal synchronous rectification?
Yes, it includes an internal synchronous rectifier.
- What are the operating temperature ranges for the ADP2138ACBZ-1.0-R7?
The operating temperature range is from -40°C to 85°C.
- What is the quiescent current of the ADP2138ACBZ-1.0-R7?
The quiescent current is 24 μA.
- What are the key protection features of the ADP2138ACBZ-1.0-R7?
The device includes current overload and thermal shutdown protections.
- What is the shutdown current of the ADP2138ACBZ-1.0-R7?
The shutdown current is 0.2 μA (typical).
- What design tool supports the ADP2138ACBZ-1.0-R7?
The device is supported by ADIsimPower™ design tool.
- What are some common applications for the ADP2138ACBZ-1.0-R7?
Common applications include PDAs, wireless handsets, digital audio players, digital cameras, and GPS navigation units.
