Linear Technology LT3506AEDHD / LT3506DHD Demo Board

The LT3506 is a dual-output DC/DC buck regulator capable of supplying up to 1.6 A per channel. These demonstration boards allow engineers to evaluate efficiency, thermal performance, startup sequencing, and regulation before incorporating the IC into a final design.

Top Board Specifications

• Model: LT3506AEDHD Demo Circuit 958A
• Input Voltage: 6.8 V to 25 V
• Output 1: 5 V @ 1.6 A
• Output 2: 3.3 V @ 1.6 A
• Switching Frequency: 1.1 MHz

Bottom Board Specifications

• Model: LT3506DHD Demo Board
• Input Voltage: 3.6 V to 21 V
• Output 3: 1.8 V @ 1.6 A
• Output 4: 1.2 V @ 1.6 A
• Switching Frequency: 575 kHz

Features visible on both boards include:

• Independent RUN/SS (soft-start) control pins
• Power Good (PG) outputs
• Test points for VIN, GND, and outputs
• Compact evaluation layout for laboratory testing

Typical Applications

• Embedded systems
• FPGA and DSP power supplies
• Industrial electronics
• Telecommunications equipment
• Portable instrumentation
• Automotive and battery-powered devices (within voltage limits)