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ADP2121 - Synchronous Step-Down DC-to-DC Converter

Datasheet Summary

Description

The ADP2121 is a high frequency, low quiescent current step-down dc-to-dc converter optimized for portable applications in which board area and battery life are critical constraints.

The 6 MHz operating frequency enables the use of tiny ceramic inductors and capacitors.

Features

  • Peak efficiency: 92% Operating frequency: 6 MHz Typical quiescent current in auto mode: 36 μA Fixed output voltage: 1.8 V, 1.82 V, 1.85 V, 1.875 V, 2.3 V Maximum guaranteed load current: 600 mA at VIN = 2.7 V to 5.5 V Input voltage: 2.3 V to 5.5 V Typical shutdown supply current: 0.3 μA Automatic power-saving mode Compatible with tiny multilayer inductors Internal synchronous rectifier Internal compensation Internal soft start Output to ground short-circuit protection Cycle-by-cycle current-limi.

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Datasheet preview – ADP2121

Datasheet Details

Part number ADP2121
Manufacturer Analog Devices
File Size 2.25 MB
Description Synchronous Step-Down DC-to-DC Converter
Datasheet download datasheet ADP2121 Datasheet
Additional preview pages of the ADP2121 datasheet.

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Full PDF Text Transcription

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Data Sheet FEATURES Peak efficiency: 92% Operating frequency: 6 MHz Typical quiescent current in auto mode: 36 μA Fixed output voltage: 1.8 V, 1.82 V, 1.85 V, 1.875 V, 2.3 V Maximum guaranteed load current: 600 mA at VIN = 2.7 V to 5.5 V Input voltage: 2.3 V to 5.5 V Typical shutdown supply current: 0.3 μA Automatic power-saving mode Compatible with tiny multilayer inductors Internal synchronous rectifier Internal compensation Internal soft start Output to ground short-circuit protection Cycle-by-cycle current-limit protection Enable/shutdown logic input Undervoltage lockout Thermal shutdown protection Ultrasmall 6-ball, 0.4 mm pitch, 1.
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