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LTC3780

Synchronous 4-Switch Buck-Boost Controller

The LTC3780 is a synchronous 4-switch buck-boost controller from Analog Devices. View the full LTC3780 datasheet below including key specifications.

Manufacturer

Analog Devices

Package

Module

Key Specifications

ParameterValue
Output Ripple50mV (at 12V switching to 12V, 5A)
Module Dimensions77.6mm x 46.5mm x 15mm
Input Voltage Range5V to 32V DC
Output Voltage Range1V to 30V DC
Max Output Power (Peak)130W
Max Output Current (Peak)10A
Operating Temperature Range-45°C to +85°C
Max Output Power (Sustained)80W
Max Output Current (Sustained)7A

Overview

Part: WD2002SJ board (based on Linear Technology LTC3780)

Type: Synchronous Buck-Boost DC-DC Converter Board

Description: A DC-DC converter board capable of 5–32 V input, 1–30 V adjustable output, 7 A sustained current, and 80 W sustained power, featuring constant voltage, constant current, and undervoltage protection.

Operating Conditions:

  • Supply voltage: DC 5–32 V
  • Operating temperature: -45 to +85 °C
  • Output voltage range: DC 1–30 V
  • Sustained output current: 7 A

Absolute Maximum Ratings:

  • Max supply voltage: 32 V
  • Max continuous current: 7 A
  • Max junction/storage temperature: +85 °C

Key Specs:

  • Input voltage range: DC 5–32 V (>10V recommended)
  • Output voltage range: DC 1–30 V (continuously adjustable)
  • Output current: 10 A max, 7 A sustained
  • Output power: 80 W sustained, 130 W peak
  • Output ripple: 50 mV (measured at 12V switching to 12V, 5A)
  • Operating temperature range: -45°C to +85°C
  • Dimensions: 77.6mm x 46.5mm x 15mm
  • Input reverse polarity protection: None
  • Output reverse polarity protection: None

Features:

  • Constant voltage output
  • Constant current output
  • Under-voltage protection
  • Output fault LED
  • Output over-current protection
  • Over voltage protection
  • Short circuit protection

Applications:

  • Charging circuit
  • High power LED driver
  • Equipment power supply
  • Automotive power supply
  • Battery under-voltage protection

Package:

  • Module (77.6mm x 46.5mm x 15mm)

Related Variants

The following components are covered by the same datasheet.

Part NumberManufacturerPackage
WD2002SJAnalog DevicesModule
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