Overview
The ADP2139ACBZ-1.0-R7 is a high-efficiency, synchronous step-down DC-to-DC converter produced by Analog Devices Inc. This compact device is designed to provide a fixed output voltage of 1V with a maximum output current of 800mA. It features a 3 MHz switching frequency and is packaged in a 6-WLCSP (Wafer Level Chip Scale Package), making it ideal for space-constrained applications. The ADP2139ACBZ-1.0-R7 is part of the ADP2138/ADP2139 series, known for their low quiescent current and high efficiency across a wide range of load conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | ADI (Analog Devices, Inc.) | |
| Description | IC REG BUCK 1V 800MA 6WLCSP | |
| Output Voltage (Min) | 1V | V |
| Output Current (Max) | 800mA | mA |
| Input Voltage Range | 2.3V to 5.5V | V |
| Switching Frequency | 3MHz | Hz |
| Topology | Buck | |
| Synchronous Rectifier | Yes | |
| Package Type | 6-WLCSP (1.03x1.50) | |
| Operating Temperature Range | -40°C to 85°C | °C |
| Thermal Shutdown Threshold | 150°C | °C |
| Shutdown Current | 0.2 μA (typical) | μA |
Key Features
- High Efficiency: The ADP2139ACBZ-1.0-R7 operates with high efficiency across a wide range of load conditions, making it suitable for battery-powered devices.
- Low Quiescent Current: The device features a low quiescent current, which helps in reducing power consumption, especially in light load conditions.
- Internal Discharge Switch: The ADP2139ACBZ-1.0-R7 includes an internal discharge switch that discharges the output capacitor when the EN pin goes low or when the device enters shutdown.
- Current Overload and Thermal Shutdown Protections: The device is equipped with current overload and thermal shutdown protections to ensure reliable operation.
- Forced PWM and Automatic PWM/PSM Modes: The device can operate in either forced PWM mode or automatic PWM/PSM modes, depending on the load current level).
- Compact Package: The 6-WLCSP package makes it ideal for space-constrained applications).
Applications
- PDAs and Palmtop Computers: Suitable for powering portable computing devices due to its high efficiency and low quiescent current).
- Wireless Handsets: Ideal for use in mobile phones and other wireless communication devices).
- Digital Audio and Portable Media Players: Used in audio and media players to optimize power consumption and efficiency).
- Digital Cameras and GPS Navigation Units: Suitable for powering various portable electronic devices that require efficient power management).
Q & A
- What is the output voltage of the ADP2139ACBZ-1.0-R7?
The output voltage of the ADP2139ACBZ-1.0-R7 is fixed at 1V).
- What is the maximum output current of the ADP2139ACBZ-1.0-R7?
The maximum output current is 800mA).
- What is the input voltage range for the ADP2139ACBZ-1.0-R7?
The input voltage range is from 2.3V to 5.5V).
- What is the switching frequency of the ADP2139ACBZ-1.0-R7?
The switching frequency is 3MHz).
- Does the ADP2139ACBZ-1.0-R7 have an internal discharge switch?
Yes, it includes an internal discharge switch).
- What are the operating modes of the ADP2139ACBZ-1.0-R7?
The device can operate in either forced PWM mode or automatic PWM/PSM modes).
- What is the package type of the ADP2139ACBZ-1.0-R7?
The package type is 6-WLCSP (1.03x1.50)).
- What are the thermal shutdown and hysteresis thresholds for the ADP2139ACBZ-1.0-R7?
The thermal shutdown threshold is 150°C, and the hysteresis is 20°C).
- What is the shutdown current of the ADP2139ACBZ-1.0-R7?
The shutdown current is typically 0.2 μA).
- What are some typical applications for the ADP2139ACBZ-1.0-R7?
Typical applications include PDAs, wireless handsets, digital audio players, and digital cameras).
