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TPS Elektronik GmbH
MIT FERRIT TQ3537 Spec and cover sheet Rev B

MIT FERRIT TQ3537 Spec and cover sheet Rev B

Product catalog summary

General Description:
This document outlines the specifications for an 18-watt single-phase AC/DC adapter. It features a simple design with a reliability level of 50,000 hours MTBF at 25°C. The DC output is classified as Safe Extra Low Voltage (SELV) and Limited Power according to IEC60950-1 standards. The adapter operates at a maximum ambient temperature of 40°C, utilizing natural convection for cooling.

DC Output Requirements:
The adapter delivers a regulated DC output of +12V, supporting a current range from 0.0A to 1.5A. The output voltage varies between 11.4V and 12.6V, with a maximum ripple and noise of 150mV, measured using a 20MHz bandwidth oscilloscope with specific capacitors across the output terminal.

Input Requirements:
Operating over a voltage range of 90-264Vac, the adapter has a rated input voltage of 100-240Vac and a frequency of 50/60Hz. It consumes a maximum input power of 22.17W and has a no-load power consumption of up to 0.075W. The design ensures it can withstand AC inrush current without damage or fuse blowout.

Brownout and Recovery:
The adapter is capable of handling brownout conditions and recovering without component damage, tested by adjusting voltage in 1-volt steps over 30 seconds for different regions.

Efficiency:
The adapter achieves an average efficiency of ≥85.45% at various load levels and ≥75.45% at 10% load for both 115V/60Hz and 230V/50Hz inputs.

Output Requirements:
The output voltage is regulated within specified limits under various load and line conditions, with protections against overvoltage, overcurrent, and short circuits. The rise time is under 20 milliseconds, with a hold-up time of 10 milliseconds at full load, and a turn-on delay time of 3000 milliseconds at full load.

Mechanical and Regulatory Compliance:
The document details the enclosure, layout, input/output configuration, and strain relief tests. It also includes EMC specifications, safety requirements, and certifications to ensure regulatory compliance.

Environmental Requirements:
The adapter is designed to function within specified temperature, humidity, and vibration conditions.

Mechanical Specifications:
The enclosure and layout comply with EN60950-1 and UL94V-1 standards. Dimensions are 85.5x43.8x31.7mm, with a black color. The input pin is European, and the output connector is a DC plug type with specific dimensions and polarity. The 1.5M cable is rated for 80℃ and 300V, complying with PAHS, REACH, and ROHS standards.

Strain Relief Tests:
The strain relief pull test applies a 30N force 25 times, ensuring the cable does not disengage. The bend test swings the cable 1,000 times with a 500g/f load, ensuring no cracks or detachment.

Labeling and Marking:
Markings must be legible and durable, passing attachment and durability tests as per IEC60950 standards.

Regulatory Compliance:
The power supply complies with FCC Part 15 and EN55022 for emissions, and EN55024 for immunity, including electrostatic discharge, radiated field, fast transient, and surge immunity.

Safety Requirements:
Compliance with EN60950-1 and CE standards is required, including dielectric withstand voltage, insulation resistance, and leakage current limits.

Environmental Requirements:
Operating temperature ranges from 0°C to +40°C, and non-operating from -20°C to +80°C. Humidity range is 5% to 90% non-condensing. Vibration specifications are detailed for various frequency ranges.

Appearance and Name Plate:
The case cover and chassis material are specified, with name plate dimensions and materials outlined, including compliance with PAHS, REACH, and ROHS.

Packing:
The document notes that standard packaging may differ from sample packaging and advises confirmation.

Catalog excerpts

MIT FERRIT TQ3537 Spec and cover sheet Rev B-1

SPECIFICATION FOR APPROVAL AC/DC ADAPTOR CUSTOMER: CUSTOMER SPEC: CUSTOMER DWG./PART NO. PART NO SAMPLE NO PRODUCT NO.: REV.: INPUT: 100‐240V AC 50/60Hz OUTPUT: 12V 1,5A TQ20160919‐3537 COLOR: BLK DATE: 2016‐10‐12 Approval Signatures APPROVED BY Manufacturer SALES Birgit Dunker Kuantech Beihai Company Limited No 8th Beihai Avenue Beihai Industrial Area Beihai Guangxi 536000 China 北海冠德地址:

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MIT FERRIT TQ3537 Spec and cover sheet Rev B-2

SWITCHING POWER SUPPLY SPECIFICATION 冠德科技股份有限公司 KUANTECH INCORPORATED COMPANY Project Modify List Item Update DC cable to add DC core

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MIT FERRIT TQ3537 Spec and cover sheet Rev B-3

SWITCHING POWER SUPPLY SPECIFICATION 冠德科技股份有限公司 KUANTECH INCORPORATED COMPANY Brownout and Brownout Recovery ·························································································· 5 On/Off and On/Standby Cycling ······························································································ 6 Output Voltage, Current········································································································· 7 Light Load Output Voltage ······························································································· 7 Over voltage Protection...

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MIT FERRIT TQ3537 Spec and cover sheet Rev B-4

SWITCHING POWER SUPPLY SPECIFICATION 冠德科技股份有限公司 KUANTECH INCORPORATED COMPANY Radiated and Conducted Emission ·················································································· 10 Safety Requirements and Certification ··················································································· 11 Additional Safety Requirements ······················································································ 11 PRODUCT ENVIRONMENTAL REQUIREMENTS ·········································································· 11 6.1

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MIT FERRIT TQ3537 Spec and cover sheet Rev B

MIT FERRIT TQ3537 Spec and cover sheet Rev B

Catalog excerpts

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