ADP2503CPZ-REDYKIT: 3.3 & 5V @ 600mA, 2.3 ~ 5V in

Summary

The ADP2503/ADP2504 evaluation boards are complete buck boost converter solutions that test the ADP2503/ADP2504, high efficiency, low quiescent current step-up/step-down, dc-to-dc converters. These converters provides accurate (±2%) regulation for load currents of up to 1 A. The ADP2503/ ADP2504 evaluation boards are available for all output voltages. Additional voltage options are available upon request from Sales at Analog Devices, Inc.

At high load currents, the ADP2503/ADP2504 use a current-mode, fixed frequency PWM control scheme for excellent stability and transient response. To ensure the longest battery life in portable applications, the ADP2503/ADP2504 feature an optional power-saving pulse skip mode that reduces the switching frequency under light load conditions to save power.

Specifications

Manufacturer Analog Devices Inc.
Category AC/DC and DC/DC Conversion
Sub-Category DC/DC SMPS - Single Output
Eval Board Part Number ADP2503CPZ-REDYKIT-ND
Eval Board Supplier Analog Devices Inc.
Eval Board Normally In Stock
Topology Step Up/Down
Outputs and Type 1 Non-Isolated
Voltage Out: Factory Set 3.3 V
5 V
Current Out 600 mA
Voltage In 2.3 ~ 5.5 V
Efficiency @ Conditions >77%, 5.5V in, 3.3V @ 0.002 ~ 1 A
>76%, 4.2V in, 3.3V @ 0.002 ~ 1 A
>74%, 3.6V in, 3.3V @ 0.002 ~ 1 A
>68%, 2.3V in, 3.3V @ 0.0015 ~ 1 A
Voltage Out Range 2.8 ~ 5.0 V
Features Current Limit (Adj. or Fixed)
Power Save Mode
PWM Interface
Short Circuit Protection
Shutdown, Enable, Standby
Soft Start
Synchronizable
Under Voltage Protection, Brown-Out
Switching Frequency 2.5 MHz
Standby Current [Typical] 200 nA
Quiescent Current [Typical] 38 µA
Component Count + Extras 9 + 0
Internal Switch Yes
Design Author Analog Devices
Application / Target Market Digital Cameras
Portable Devices
RF / Wireless
USB Powered Devices
Standby Current [Maximum] 1 µA
Quiescent Current [Maximum] 50 µA
Main I.C. Base Part ADP2503
Date Created By Author 2008-06
Date Added To Library 2014-11

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