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ADP2138CB-1.8EVALZ - 

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

ADP2138CB-1.8EVALZ - Evaluation Board, 1.8V, 800 mA, 3 MHz, Step-Down, DC to DC Converter

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Product Overview

The ADP2138CB-1.8EVALZ is an evaluation board for 800mA, 3MHz, step down dc to dc converter output voltage of 1.8V device ADP2138. The ADP2138 is high efficiency, low quiescent current, synchronous step down dc to dc converters. 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.
  • ADP2138CB has peak efficiency of 95%
  • It provides 3MHz fixed frequency operation
  • It has typical quiescent current of 24µA
  • It supports ultralow shutdown current of 0.2µA (typical)
  • 6 lead, 1mm × 1.5mm WLCSP package
  • It has fast load and line transient response
  • It supports 100% duty cycle low dropout mode
  • It features internal synchronous rectifier, compensation, and soft start
  • It has current overload and thermal shutdown protections
  • It has forced PWM and automatic PWM/PSM modes


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

Product Information

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