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ADP2139CB-1.8EVALZ - 

Evaluation Board, 1.8V, 800 mA, 3 MHz, Step-Down, DC to DC Converter

ADP2139CB-1.8EVALZ - Evaluation Board, 1.8V, 800 mA, 3 MHz, Step-Down, DC to DC Converter

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Manufacturer Part No:
ADP2139CB-1.8EVALZ
Order Code:
1897098
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Product Overview

The ADP2139CB-1.8EVALZ is an evaluation board for 800mA, 3MHz, step down dc to dc converter output voltage of 1.8V device ADP2139. The ADP2139 is high efficiency, low quiescent current, synchronous step down dc to dc converter with an additional feature of an internal discharge switch. The total solution requires only three tiny external components. When the mode pin is set high, the buck regulator operates in forced PWM mode, which provides low peak to peak ripple for power supply noise sensitive loads at the expense of light load efficiency. When the mode pin is set low, the buck regulator automatically switches operating modes, depending on the load current level. At higher output loads, the buck regulator operates in PWM mode. When the load current falls below a predefined threshold, the regulator operates in power save mode (PSM), improving light load efficiency.
  • ADP2139CB has peak efficiency of 95%
  • It operates at 3MHz fixed frequency
  • It has typical quiescent current of 24µA
  • It features ultralow shutdown current of 0.2µA (typical)
  • 6 lead, 1mm × 1.5mm WLCSP package
  • Fast load and line transient response
  • 100% duty cycle low dropout mode
  • Internal synchronous rectifier, compensation, and soft start
  • It has current overload and thermal shutdown protections
  • It features forced PWM and automatic PWM/PSM modes

Applications

Portable Devices, Wireless, Audio, Consumer Electronics, Aerospace, Defence, Military

Product Information

:
Analog Devices
:
ADP2139
:
Power Management
:
Step Down DC / DC Converter
:
Board, User Guide
:
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