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Analog Devices LTC3864 | Demoboard DC2434A

LTC3864 60V Low IQ Step-Down DC/DC Converter with 100% Duty Cycle Capability

Overview

TopologyBuck Converter
Input voltage12-60 V
Output 112 V / 5 A
IC revisionA

Description

Demonstration circuit 2434A is a high voltage, currentmodeDC/DC step-down converter featuring the LTC®3864.The board operates from an input range of 6V to 60V andprovides a 12V, 5A output when the input exceeds 12V.The PMOSFET architecture allows it to operate seamlesslyup to 100% duty cycle and function as a saturated switchbelow the regulation threshold, down to 6VIN. It operatesat 200kHz and may be synchronized to an external clock.A soft-start feature controls output voltage slew rate atstart-up, reducing current surge and voltage overshoot.Burst Mode® operation that improves efficiency at light loads can be enabled with a jumper. A power good outputsignal is provided.This board is suitable for a wide range of automotive,telecom, industrial and other applications. The LTC3864is available in small 12-pin thermally enhanced MSOP andDFN packages. For other output requirements, see theLTC3864 data sheet or contact the LTC factory.

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SPECWR-PHD Jumper, 2, –
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Jumper
Pins
Rated Current3 A
Working Voltage200 V (AC)
Operating Temperature -25 °C up to +105 °C
Check availability
SPECWR-PHD Pin Header, 3, Straight
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header
Pins
TypeStraight 
MountTHT 
Length6 mm
Rated Current2 A
Working Voltage200 V (AC)
Operating Temperature -40 °C up to +105 °C
Check availability
SPECWR-PHD Pin Header, 6, Straight
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header
Pins
TypeStraight 
MountTHT 
Length6 mm
Rated Current2 A
Working Voltage200 V (AC)
Operating Temperature -40 °C up to +105 °C
Check availability