LTC3780

Part 1: Markdown Summary

Part: WD2002SJ board (based on Linear Technology's LTC3780)

Type: DC-DC Buck-Boost Voltage/Current Regulator Module

Key Specs:

• Input voltage: DC 5 – 32V
• Output voltage: DC 1- 30V continuously adjustable
• Output current: 10A max, 7A sustained
• Output Power: 80W sustained, 130W peak
• Output ripple: 50mV (measured at 12V switching to 12V, 5A)
• Operating temperature range: -45ºC to +85ºC
• Dimensions: 77.6mm x 46.5mm x 15mm

Features:

• Constant voltage output
• Constant current output
• Under-voltage protection (automatic power down)
• Output fault LED
• Output over-current protection
• Over voltage protection
• Short circuit protection

Applications:

• Charging circuit
• High power LED driver
• Equipment/automotive power supply

Package:

• Module: 77.6mm x 46.5mm x 15mm

• Input voltage: DC 5 – 32V (>10V is recommended)

• Output voltage: DC 1- 30V continuously adjustable. Boards ships with 12V as default

• Output current: 10A max, 7A sustained. Board ships with 4A as default.

• Output Power: 80W sustained, 10W peak. If output power exceeds 80W enhanced heat dissipation is required

• Output ripple: 50mV – measured at 12V switching to 12V, 5A.

• Input reverse polarity protection: None. If necessary place a Schottky diode in series on the input.

• Output reverse polarity protection: None. If necessary place a Schottky diode in series on the output.

• Short circuit protection: Yes

• Operating temperature range: -45ºC to +85ºC

• Dimensions: 77.6mm x 46.5mm x 15mm