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ADP1864 - Constant Frequency Current-Mode Step-Down DC/DC Controller

Description

The ADP1864 is a compact, inexpensive, constant-frequency, current-mode, step-down dc-to-dc controller.

The ADP1864 drives a P-channel MOSFET that regulates an output voltage as low as 0.8 V with ±1.25% accuracy, for up to 5 A load currents, from input voltages as high as 14 V.

Features

  • Wide input voltage range: 3.15 V to 14 V Wide output voltage range: 0.8 V to input voltage Pin-to-pin compatible with LTC1772, LTC3801 Up to 94% efficiency 0.8 V ± 1.25% reference accuracy over temperature Internal soft start 100% duty cycle for low dropout voltage Current-mode operation for good line and load transient response 7 μA shutdown supply current 235 μA quiescent supply current Short-circuit and overvoltage protection Small 6-lead TSOT package Supported by ADIsimPower™ design tool APP.

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Datasheet Details

Part number ADP1864
Manufacturer Analog Devices
File Size 234.30 KB
Description Constant Frequency Current-Mode Step-Down DC/DC Controller
Datasheet download datasheet ADP1864 Datasheet

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Full PDF Text Transcription

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Data Sheet Constant Frequency Current-Mode Step-Down DC-to-DC Controller in TSOT ADP1864 FEATURES Wide input voltage range: 3.15 V to 14 V Wide output voltage range: 0.8 V to input voltage Pin-to-pin compatible with LTC1772, LTC3801 Up to 94% efficiency 0.8 V ± 1.
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