# TP20DD Series DC/DC Converters

## Overview
20W, 1.5KVDC isolated, wide input voltage DC/DC converters with dimensions 50.8mm x 40.6mm x 11.2mm. Accuracy up to ±1%. Applications include telecommunications, railway transportation, and instrumentation.

## Features
️· 20W Output Power
️· 2:1 & 4:1 Wide Input Voltage Range
️· Input Under Voltage Protection
️· Standard & Metal Package
️· Operating Temperature: -40°C to +85°C
️· Fixed Switching Frequency
️· Long-Term Short-Circuit Protection
️· High Capacitive Load Capability
️· RoHS Compliance
️· 1.5KVDC Isolation

## Selection Guide
Numerous models available with varying input voltages (9V-72V), output voltages (3.3V-24V), and single/dual outputs. Available in 2:1 and 4:1 wide input ranges. Detailed tables listing part numbers, input/output voltages, current ratings, and efficiency are provided.

## Electrical Characteristics
️· Isolation Voltage: 500-1500 VDC
️· Insulation Resistance: 100M Ohms
️· MTBF: 5 x 10^5 hrs
️· Input Voltage Range: Varies by model (9V-72V)
️· Output Voltage Accuracy: ±1%
️· Ripple & Noise: ±1%
️· Switching Frequency: 300 KHz

## Environmental Characteristics
️· Operating Temperature: -40°C to +85°C
️· Storage Temperature: -55°C to +125°C
️· Humidity: Non-condensing, 5-95%

## Mechanical Information
️· Dimensions: 50.8mm x 40.6mm x 11.2mm
️· Package: DIP Package
️· Pinout: Provided for single and dual output configurations.

## Recommendations
️· Use 47uF-100uF electrolytic capacitors for input filtering.
️· Add output capacitors (100uF/A) for digital circuits.
️· Ensure case temperature does not exceed maximum rating.