Skip to main content

We use cookies to understand how you use our site and improve your experience. See our Privacy Policy.

WD2002SJ

Synchronous 4-Switch Buck-Boost Controller

The WD2002SJ is a synchronous 4-switch buck-boost controller from Analog Devices. View the full WD2002SJ datasheet below including key specifications.

Official WD2002SJ datasheet (PDF) — the source this page was extracted from.

Manufacturer

Analog Devices

Category

Switches

Package

Module

WD2002SJ Key Specifications

ParameterValue
Dimensions77.6mm x 46.5mm x 15mm
ProtectionsOutput over-current, over-voltage, short circuit, input under-voltage cut-off
Output Power80W sustained, 130W peak
Controller ICLTC3780 4-switch synchronous buck-boost controller
Input Voltage5V to 32V (>10V recommended)
Output Ripple50mV (12V in to 12V out, 5A)
Output Current10A max, 7A sustained (default 4A)
Output Voltage1V to 30V (default 12V)
Operating Temperature-45°C to +85°C
Reverse Polarity ProtectionNone (input and output)

WD2002SJ 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)

Other Switches

  • 1N4148 – onsemi, Switching Diode
  • 1N4148W – Rectron, Surface-Mount Fast Switching Diode
  • 1N4148WQ – Rectron, Surface-Mount Fast Switching Diode
  • 1N4148WQ-13-F – Rectron, Surface-Mount Fast Switching Diode
  • 1N4148WQ-7-F – Rectron, Surface-Mount Fast Switching Diode
  • A3144 – Allegro MicroSystems, Sensitive Hall-Effect Switch
  • BAV16W – Rectron, Surface-Mount Fast Switching Diode
  • BAV16W/1N4148W – Diodes Incorporated, Surface-Mount Fast Switching Diode

All Switches datasheetsAll Analog Devices datasheets (700)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

Ask your AI agent about the WD2002SJ

Connect SheetsData to Claude, Cursor, Codex or any MCP client and your agent reads this datasheet for you: pinout, limits, register maps and design checks, with the numbers taken from the PDF.

claude mcp add --transport http sheetsdata https://mcp.sheetsdata.com/mcp

Then ask: "Can the WD2002SJ run from my 12 V rail? Check it against the datasheet limits."

Create a free account $2 of usage every month, no card needed.