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
| Order Code | Input Voltage Range | Output 1 Vnom Imax | Output 2 Vnom Imax | Efficiency typ. | ||
|---|---|---|---|---|---|---|
| TRN 3-0510SM TRN 3-0511SM TRN 3-0512SM TRN 3-0513SM TRN 3-0515SM TRN 3-0521SM TRN 3-0522SM TRN 3-0523SM | 4.5 - 13.2 VDC (9 VDC nom.) | 3.3 VDC 5 VDC 12 VDC 15 VDC 24 VDC +5 VDC +12 VDC +15 VDC | 700 mA 600 mA 250 mA 200 mA 125 mA 300 mA 125 mA 100 mA | –5 VDC –12 VDC –15 VDC | 300 mA 125 mA 100 mA | 75 % 78 % 82 % 80 % 80 % 77 % 80 % 80 % |
| TRN 3-1210SM TRN 3-1211SM TRN 3-1212SM TRN 3-1213SM TRN 3-1215SM TRN 3-1221SM TRN 3-1222SM TRN 3-1223SM | 9 - 18 VDC (12 VDC nom.) | 3.3 VDC 5 VDC 12 VDC 15 VDC 24 VDC +5 VDC +12 VDC +15 VDC | 700 mA 600 mA 250 mA 200 mA 125 mA 300 mA 125 mA 100 mA | –5 VDC –12 VDC –15 VDC | 300 mA 125 mA 100 mA | 76 % 79 % 84 % 83 % 82 % 78 % 82 % 81 % |
| TRN 3-2410SM TRN 3-2411SM TRN 3-2412SM TRN 3-2413SM TRN 3-2415SM TRN 3-2421SM TRN 3-2422SM TRN 3-2423SM | 18 - 36 VDC (24 VDC nom.) | 3.3 VDC 5 VDC 12 VDC 15 VDC 24 VDC +5 VDC +12 VDC +15 VDC | 700 mA 600 mA 250 mA 200 mA 125 mA 300 mA 125 mA 100 mA | –5 VDC –12 VDC –15 VDC | 300 mA 125 mA 100 mA | 76 % 78 % 84 % 84 % 83 % 79 % 83 % 82 % |
| TRN 3-4810SM TRN 3-4811SM TRN 3-4812SM TRN 3-4813SM TRN 3-4815SM TRN 3-4821SM TRN 3-4822SM TRN 3-4823SM | 36 - 75 VDC (48 VDC nom.) | 3.3 VDC 5 VDC 12 VDC 15 VDC 24 VDC +5 VDC +12 VDC +15 VDC | 700 mA 600 mA 250 mA 200 mA 125 mA 300 mA 125 mA 100 mA | –5 VDC –12 VDC –15 VDC | 300 mA 125 mA 100 mA | 75 % 79 % 83 % 83 % 82 % 77 % 82 % 80 % |
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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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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
| Pinout | ||
| Pin | Single | Dual |
| 1 | –Vin (GND) | –Vin (GND) |
| 2 | +Vin (Vcc) | +Vin (Vcc) |
| 3 | +Vout | +Vout |
| 4 | no pin | Common |
| 5 | –Vout | –Vout |
| 6 | NC | NC |
| 7 | NC | NC |
NC: Not Connected
Specifications can be changed without notice.
Rev. November 30, 2022
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