XP POWER RDF25 Series 5W Bottom Cooling DC-DC Converter

Product Overview

Product Name: RDF25 Series DC-DC Converter

Core positioning: A high reliability bottom plate cooling power supply designed specifically for wide input voltage scenarios, suitable for harsh environments such as industry and railways

Core advantages: Ultra wide input range, high isolation, wide temperature operation, multiple protections, supporting flexible configuration and expansion

Packaging and Material:

Packaging: Industrial standard half brick, size 50.8 × 25.4 × 11.5mm (2.0 “× 1.0” × 0.45 “)

Shell: Copper shell+UL94V-0 grade non-conductive plastic base

Sealing material: UL94V-0 grade epoxy resin, compliant with EN45545-2 fire smoke standard

Electrical parameter details

(1) Input parameters

Characteristic specification remarks

Input voltage range 16-160VDC 10:1 ultra wide range, covering standard industrial voltages

Measurement under nominal input voltage with no-load input current of 10mA

When the standby current 3mA module is disabled

Input filtering Pi type filtering suppresses input interference

Input protection requires external 3A delay fuse+TVS tube surge protection and reverse voltage protection

(2) Output parameters

Model Output Voltage Output Current Maximum Capacitive Load Efficiency

RDF2572S05 5VDC 5.0A 6800µF 85%

RDF2572S12 12VDC 2.08A 1000µF 84%

RDF2572S15 15VDC 1.67A 820µF 85%

RDF2572S24 24VDC 1.04A 470µF 85%

Voltage fine-tuning with ± 10% external resistance to achieve voltage rise and fall-

Temperature coefficient 0.02%/° C, output voltage stability-

Overvoltage protection with 120% Vnom Zener diode clamp and automatic recovery-

(3) General and reliability parameters

Characteristic specification remarks

Input output isolation 3000VDC (60s) basic isolation

Under the condition of isolation resistance ≥ 10 ΩΩ 3kVDC

Isolation capacitor 2000pF-

Switching frequency 250kHz-

Power density 28W/in ³-

Mean Time Between Failures (MTBF) 230khrs MIL-HDBK-217F,+25 ° C GB

Weight standard 36g, with radiator 47g-

Environment and Compliance

(1) Environmental adaptability

Basis for environmental condition specification standards

Working temperature -40 ° C to+100 ° C-

Storage temperature complies with IEC/EN 60068-2-1-

Humidity 95% RH non condensing

Working altitude 5000m-

Shock and vibration comply with IEC/EN 61373, suitable for transportation and industrial environments

Dry heat/humid heat in accordance with IEC/EN 60068-2-2/30-

(2) Compliance and Certification

Certification Type Standards/Directive Key Requirements

Safety certification EN50155, CE, UKCA railway and general safety compliance

EMC emission EN50121-3-2 conduction+radiation compliance

EMC Immunity EN50121-3-2 Conducted Immunity 10Vrms, Static ± 2kV

Welding compliance IPC JEDEC J-STD 020D. 1 up to 260 ° C for 10 seconds

Function and Usage Instructions

(1) Core functions

Remote switch: high level (3.0-12.0VDC) on, low level (0-1.2VDC) off, control pin3 to be suspended when not in use

Fine tuning of output voltage:

Boosting: Trim pin and – Vout indirect resistor Ru (refer to the selection table in the document)

Voltage reduction: Trim pin and+Vout indirect resistor Rd (refer to the document table for selection)

Protection mechanism: overvoltage (Zener clamp), overload (current limit), short circuit (automatic recovery)

(2) Installation and selection

Heat sink: Optional model with suffix “- HK” added to enhance heat dissipation capability in high temperature environments

Input configuration: An external 3A delay fuse and TVS tube must be connected to prevent damage from surges and reverse voltages

Pin definitions: 1-pin (+Vin), 2-pin (- Vin), 3-pin (Control), 4-pin (+Vout), 5-pin (- Vout), 6-pin (Trim)

Application scenarios

Autonomous Equipment

Industrial Electronics&Robotics

Railway equipment

Renewable energy systems, battery systems, and harsh environmental equipment