TRN3-0521SM

TRN3SM TRACOPOWER

Document overview

• PDF pages: 4

Technical content

Page 1

DC/DC Converter

• Compact SMD package 11,9 x 11,3 x 8,0 mm
• Fully regulated outputs
• Input Voltage range 4.5-13.2, 9-18, 18-36, 36-75 VDC
• I/O-isolation 1‘600 VDC

The TRN 3SM Series comprises 3 Watt fully regulated, high performance

• Operating temperature range

DC/DC converters. They come in a compact cubical package of only 1.07 cm³.

–40°C to +85°C

Full load operation is reliable up tp 65°C environment temperature. With 1’600 VDC I/O-isolation voltage, and short current protection they cover a wide range

• Short circuit protection

of application when space is limited. The input of the converters is designed for

• Designed to meet UL 62368-1 (UL

a wide voltage range (2:1) and minimum load is not required. The functional

60950-1)

I/O-isolation system is designed to meet IEC/EN 62368-1 with a test voltage (60 s) of 1600 VDC.

• 3-year product warranty

Models

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Page 2

Input Specifications

Input Current

• At no load

Surge Voltage

Reflected Ripple Current

Recommended Input Fuse

Input Filter

Output Specifications

Voltage Set Accuracy Regulation

• Input Variation (Vmin - Vmax)
• Load Variation (0 - 100%)
• Cross Regulation (25% / 100% asym. load)

Ripple and Noise

• 20 MHz Bandwidth

Capacitive Load

• single output
• dual output

Minimum Load Temperature Coefficient Start-up Time Short Circuit Protection Output Current Limitation Transient Response

• Response Deviation - Response Time

Safety Specifications

Safety Standards

• IT / Multimedia Equipment

9 Vin models: 75 mA typ. 12 Vin models: 40 mA typ. 24 Vin models: 20 mA typ. 48 Vin models: 12 mA typ. 9 Vin models: 15 VDC max. (1 s max.) 12 Vin models: 25 VDC max. (1 s max.) 24 Vin models: 50 VDC max. (1 s max.) 48 Vin models: 100 VDC max. (1 s max.) 9 Vin models: 100 mAp-p typ. 12 Vin models: 75 mAp-p typ. 24 Vin models: 75 mAp-p typ. 48 Vin models: 50 mAp-p typ. 9 Vin models: 1'600 mA (slow blow) 12 Vin models: 800 mA (slow blow) 24 Vin models: 500 mA (slow blow) 48 Vin models: 315 mA (slow blow)

(The need of an external fuse has to be assessed in the final application.) Internal Capacitor

±1% max.

single output models: 0.2% max. dual output models: 0.2% max. single output models: 1% max. dual output models: 1% max. (Output 1)

1% max. (Output 2)

dual output models: 5% max.

50 mVp-p typ.

3.3 Vout models: 4'400 µF max. 5 Vout models: 2'200 µF max. 12 Vout models: 1'000 µF max. 15 Vout models: 820 µF max. 24 Vout models: 330 µF max. 5 / -5 Vout models: 1'200 / 1'200 µF max. 12 / -12 Vout models: 520 / 520 µF max. 15 / -15 Vout models: 440 / 440 µF max.

Not required ±0.02 %/K max. 5 ms typ. / 15 ms max. Continuous, Automatic recovery 180% typ. of Iout max. 3% typ. (25% Load Step) 500 µs typ. (25% Load Step)

Designed for EN 62368-1 (no certification)

All specifications valid at nominal voltage, resistive full load and +25°C after warm-up time, unless otherwise stated.

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Page 3

EMC Specifications

EMI Emissions

• Conducted Emissions

EN 55032 class A (with external filter) EN 55032 class B (with external filter)

• Radiated Emissions

EN 55032 class A (with external filter) EN 55032 class B (with external filter)

External filter proposal: www.tracopower.com/overview/trn3sm

EMS Immunity

• Electrostatic Discharge
• RF Electromagnetic Field - EFT (Burst) / Surge

EN 55024 (IT Equipment) Air: EN 61000-4-2, ±8 kV, perf. criteria A Contact: EN 61000-4-2, ±6 kV, perf. criteria A EN 61000-4-3, 10 V/m, perf. criteria A EN 61000-4-4, ±2 kV, perf. criteria A EN 61000-4-5, ±1 kV, perf. criteria A

Ext. input component: Nippon chemi-con KY 220 µF/ 100 V

• Conducted RF Disturbances - PF Magnetic Field

General Specifications

Relative Humidity Temperature Ranges

• Operating Temperature - Case Temperature - Storage Temperature

Power Derating

• High Temperature

EN 61000-4-6, 10 Vrms, perf. criteria A Continuous: EN 61000-4-8, 100 A/m, perf. criteria A 1 s: EN 61000-4-8, 1000 A/m, perf. criteria A

95% max. (non condensing) –40°C to +85°C +105°C max. –55°C to +125°C 2.5 %/K above 65°C

See application note: www.tracopower.com/overview/trn3sm

Cooling System Switching Frequency Insulation System Isolation Test Voltage

• Input to Output, 60 s

Isolation Resistance

• Input to Output, 500 VDC

Isolation Capacitance

• Input to Output, 100 kHz, 1 V

Reliability

• Calculated MTBF

Moisture Sensitivity (MSL) Washing Process

Natural convection (20 LFM) 100 kHz min. (PFM) Functional Insulation 1'600 VDC 1'000 MΩ min. 75 pF max. 4'400'000 h (MIL-HDBK-217F, ground benign) Level 2 (J-STD-033C) Allowed (hermetical product)

See Cleaning Guideline:

Environment

• Vibration - Thermal Shock

Housing Material Potting Material Pin Material Pin Foundation Plating Pin Surface Plating Housing Type Mounting Type Connection Type Footprint Type Soldering Profile Weight

www.tracopower.com/info/cleaning.pdf MIL-STD-810F MIL-STD-810F Non-conductive Plastic (UL 94 V-0 rated) Epoxy (UL 94 V-0 rated) Copper Nickel (0.3 - 0.9 µm) Tin (5 - 6 µm), matte Plastic Case PCB Mount SMD (Surface-Mount Device) SMD10 Reflow Soldering (J-STD-020E) 2.1 g

All specifications valid at nominal voltage, resistive full load and +25°C after warm-up time, unless otherwise stated.

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Page 4

Environmental Compliance

• REACH Declaration
• RoHS Declaration

Supporting Documents

Overview Link (for additional Documents)

Outline Dimensions

11.9

Dimensions in [mm], () = Inch Tolerances: x.x ±0.5 (±0.02) x.xx ±0.25 (±0.01) Pin pitch tolerances ±0.25 (±0.01) Pin dimension tolerance ±0.1 (±0.004)

(0.08) (0.11) (2x0.08)

Recommended Solder Pad Layout

© Copyright 2022 Traco Electronic AG

www.tracopower.com/info/reach-declaration.pdf REACH SVHC list compliant REACH Annex XVII compliant www.tracopower.com/info/rohs-declaration.pdf Exemptions: 7a, 7c-I (RoHS exemptions refer to the component concentration only, not to the overall concentration in the product (O5A rule). The SCIP number is provided on request.)

www.tracopower.com/overview/trn3sm

NC: Not Connected

Specifications can be changed without notice.

Rev. November 30, 2022

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