WD2002SJ
Synchronous 4-Switch Buck-Boost ControllerThe 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.
WD2002SJ Key Specifications
| Parameter | Value |
|---|---|
| Dimensions | 77.6mm x 46.5mm x 15mm |
| Protections | Output over-current, over-voltage, short circuit, input under-voltage cut-off |
| Output Power | 80W sustained, 130W peak |
| Controller IC | LTC3780 4-switch synchronous buck-boost controller |
| Input Voltage | 5V to 32V (>10V recommended) |
| Output Ripple | 50mV (12V in to 12V out, 5A) |
| Output Current | 10A max, 7A sustained (default 4A) |
| Output Voltage | 1V to 30V (default 12V) |
| Operating Temperature | -45°C to +85°C |
| Reverse Polarity Protection | None (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)
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- BAV16W – Rectron, Surface-Mount Fast Switching Diode
- BAV16W/1N4148W – Diodes Incorporated, Surface-Mount Fast Switching Diode
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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.
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Then ask: "Can the WD2002SJ run from my 12 V rail? Check it against the datasheet limits."
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