DC/DC Converter
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•
•
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TEC 3WI Series, 3 Watt
Compact SIP-8 package
I/O-isolation voltage 1‘600 VDC
Ultra-wide 4:1 input voltage range
Fully regulated outputs
Operating temperature range –40°C to
+ 90°C
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Continuous short circuit protection
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3-year product warranty
Remote On/Off
Designed to meet IEC/EN/UL 62368-1
(not certified)
TEC 3WI is a new series with the design purpose to improve the prevalent 3
Watt SIP-8 DC/DC converters in terms of cost, efficiency and performance. The
latest technology and components effectuate a high efficiency for a low thermal
loss. This enables an operating temperature range from -40°C up to +90°C.
The converters are fully regulated over 0 - 100% load (no minimum load is required). The models are available with ultra-wide input ranges of 4.5-18, 9-36
and 18-75 VDC. The functional I/O-isolation system is designed to meet IEC/EN/UL 62368-1 (not certified) with a test voltage (60 s) of 1600 VDC.
Models
Order Code
Input Voltage
Range
TEC 3-1210WI
TEC 3-1211WI
TEC 3-1219WI
TEC 3-1212WI
TEC 3-1213WI
TEC 3-1215WI
TEC 3-1221WI
TEC 3-1222WI
TEC 3-1223WI
TEC 3-2410WI
TEC 3-2411WI
TEC 3-2419WI
TEC 3-2412WI
TEC 3-2413WI
TEC 3-2415WI
TEC 3-2421WI
TEC 3-2422WI
TEC 3-2423WI
TEC 3-4810WI
TEC 3-4811WI
TEC 3-4819WI
TEC 3-4812WI
TEC 3-4813WI
TEC 3-4815WI
TEC 3-4821WI
TEC 3-4822WI
TEC 3-4823WI
www.tracopower.com
4.5 - 18 VDC
(12 VDC nom.)
9 - 36 VDC
(24 VDC nom.)
18 - 75 VDC
(48 VDC nom.)
Output 1
Output 2
Vnom
Imax
3.3 VDC
5 VDC
9 VDC
12 VDC
15 VDC
24 VDC
+5 VDC
+12 VDC
+15 VDC
3.3 VDC
5 VDC
9 VDC
12 VDC
15 VDC
24 VDC
+5 VDC
+12 VDC
+15 VDC
3.3 VDC
5 VDC
9 VDC
12 VDC
15 VDC
24 VDC
+5 VDC
+12 VDC
+15 VDC
700 mA
600 mA
333 mA
250 mA
200 mA
125 mA
300 mA
125 mA
100 mA
700 mA
600 mA
333 mA
250 mA
200 mA
125 mA
300 mA
125 mA
100 mA
700 mA
600 mA
333 mA
250 mA
200 mA
125 mA
300 mA
125 mA
100 mA
November 14, 2023
Vnom
Efficiency
Imax
–5 VDC
–12 VDC
–15 VDC
300 mA
125 mA
100 mA
–5 VDC
–12 VDC
–15 VDC
300 mA
125 mA
100 mA
–5 VDC
–12 VDC
–15 VDC
300 mA
125 mA
100 mA
typ.
75 %
79 %
81 %
82 %
83 %
82 %
80 %
82 %
81 %
76 %
80 %
81 %
83 %
83 %
81 %
79 %
81 %
81 %
74 %
80 %
81 %
82 %
83 %
82 %
80 %
82 %
82 %
Page 1 / 4
TEC 3WI Series, 3 Watt
Input Specifications
Input Current
48 Vin models: 13 mA typ.
12 Vin models: 35 mA typ. (3.3 Vout model)
40 mA typ. (5 Vout model)
40 mA typ. (9 Vout model)
40 mA typ. (12 Vout model)
40 mA typ. (15 Vout model)
40 mA typ. (24 Vout model)
40 mA typ. (5 / -5 Vout model)
40 mA typ. (12 / -12 Vout model)
50 mA typ. (15 / -15 Vout model)
24 Vin models: 20 mA typ. (3.3 Vout model)
20 mA typ. (5 Vout model)
20 mA typ. (9 Vout model)
25 mA typ. (12 Vout model)
25 mA typ. (15 Vout model)
25 mA typ. (24 Vout model)
25 mA typ. (5 / -5 Vout model)
25 mA typ. (12 / -12 Vout model)
25 mA typ. (15 / -15 Vout model)
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.)
12 Vin models: 2 VDC min. / 3 VDC typ. / 4 VDC max.
24 Vin models: 6 VDC min. / 7 VDC typ. / 8 VDC max.
48 Vin models: 13 VDC min. / 15 VDC typ. / 17 VDC max.
12 Vin models: 1'600 mA (slow blow)
24 Vin models: 800 mA (slow blow)
48 Vin models: 500 mA (slow blow)
(The need of an external fuse has to be assessed
in the final application.)
Internal Capacitor
- At no load
Surge Voltage
Under Voltage Lockout
Recommended Input Fuse
Input Filter
Output Specifications
Voltage Set Accuracy
Regulation
- Input Variation (Vmin - Vmax)
- Load Variation (0 - 100%)
Ripple and Noise
Capacitive Load
- Cross Regulation
(25% / 100% asym. load)
- 20 MHz Bandwidth
- single output
- dual output
±1% max.
0.2% max.
0.2% max.
1% max.
1% max. (Output 1)
1% max. (Output 2)
dual output models: 5% max.
single output models:
dual output models:
single output models:
dual output models:
3.3 Vout models:
5 Vout models:
9 Vout models:
12 Vout models:
15 Vout models:
24 Vout models:
5 / -5 Vout models:
12 / -12 Vout models:
15 / -15 Vout models:
Minimum Load
Temperature Coefficient
Start-up Time
Short Circuit Protection
75 mVp-p typ.
4'400 µF max.
2'200 µF max.
1'300 µF max.
1'000 µF max.
820 µF max.
470 µF max.
1'200 / 1'200 µF max.
520 / 520 µF max.
440 / 440 µF max.
Not required
±0.02 %/K max.
10 ms typ. / 20 ms max.
Continuous, Automatic recovery
All specifications valid at nominal voltage, resistive full load and +25°C after warm-up time, unless otherwise stated.
www.tracopower.com
November 14, 2023
Page 2 / 4
TEC 3WI Series, 3 Watt
Output Current Limitation
Transient Response
130 - 230% of Iout max.
170% typ. of Iout max.
500 µs typ. (25% Load Step)
- Response Time
Safety Specifications
Standards
- IT / Multimedia Equipment
Designed for IEC/EN/UL 62368-1 (not certified)
- Conducted Emissions
EN 55032 class A (with external filter)
EN 55032 class B (with external filter)
EN 55032 class A (with external filter)
EN 55032 class B (with external filter)
www.tracopower.com/overview/tec3wi
EN 61000-4-2, ±8 kV, perf. criteria A
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
KY 220 μF / 100 V
EN 61000-4-6, 10 Vrms, perf. criteria A
EN 61000-4-8, 100 A/m, perf. criteria A
EN 61000-4-8, 1000 A/m, perf. criteria A
EMC Specifications
EMI Emissions
- Radiated Emissions
EMS Immunity
External filter proposal:
Air:
Contact:
- Electrostatic Discharge
- RF Electromagnetic Field
- EFT (Burst) / Surge
Ext. input component:
- Conducted RF Disturbances
- PF Magnetic Field
Continuous:
1 s:
General Specifications
Relative Humidity
Temperature Ranges
Power Derating
Cooling System
Remote Control
Regulator Topology
Switching Frequency
Insulation System
Isolation Test Voltage
Isolation Resistance
Isolation Capacitance
Reliability
Washing Process
Environment
Housing Material
Potting Material
Pin Material
Pin Foundation Plating
Pin Surface Plating
Housing Type
Mounting Type
95% max. (non condensing)
–40°C to +90°C
+105°C max.
–55°C to +125°C
3.4 %/K above 75°C
See application note: www.tracopower.com/overview/tec3wi
Natural convection (20 LFM)
On: open circuit
- Current Controlled Remote
Off: 2 to 4 mA current (internal 1 kΩ resistor)
(passive = on)
Refers to 'Remote' and '-Vin' Pin
External circuit proposal: www.tracopower.com/info/current-remote.pdf
2.5 mA typ.
- Off Idle Input Current
RCC Converter
100 kHz min. (PFM)
Functional Insulation
1'600 VDC
- Input to Output, 60 s
1'000 MΩ min.
- Input to Output, 500 VDC
50 pF max.
- Input to Output, 100 kHz, 1 V
- Calculated MTBF
5'124'000 h (MIL-HDBK-217F, ground benign)
According to Cleaning Guideline
www.tracopower.com/info/cleaning.pdf
MIL-STD-810F
- Vibration
MIL-STD-810F
- Mechanical Shock
MIL-STD-810F
- Thermal Shock
Non-conductive Plastic (UL 94 V-0 rated)
Silicone (UL 94 V-0 rated)
Copper
Nickel (1 - 2 µm)
Tin (3 - 5 µm), matte
Plastic Case
PCB Mount
- Operating Temperature
- Case Temperature
- Storage Temperature
- High Temperature
All specifications valid at nominal voltage, resistive full load and +25°C after warm-up time, unless otherwise stated.
www.tracopower.com
November 14, 2023
Page 3 / 4
TEC 3WI Series, 3 Watt
Connection Type
Footprint Type
Soldering Profile
Weight
Environmental Compliance - REACH Declaration
- RoHS Declaration
- SCIP Reference Number
THD (Through-Hole Device)
SIP8
Lead-Free Wave Soldering
260°C / 10 s max.
4.5 g
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).)
9efed3a1-acdc-437d-b381-9e7c53d9d2c2
Supporting Documents
Overview Link (for additional Documents)
www.tracopower.com/overview/tec3wi
Outline Dimensions
4.1
2 x 2.54
5.08
3 x 2.54
2.0
(2 x 0.1)
(0.2)
(3 x 0.1)
(0.08)
(0.44)
(0.16)
0.5
(0.02)
11.2
Pinout
21.8
Pin
Single
Dual
1
–Vin (GND)
–Vin (GND)
2
+Vin (Vcc)
+Vin (Vcc)
3
Remote On/Off
Remote On/Off
5
NC
NC
6
+Vout
+Vout
7
–Vout
Common
8
NC
–Vout
(0.86)
6
0.5
(0.02)
7
8
9.1
5
(0.36)
3
(0.01)
2
0.25
1
3.2
Bottom View
(0.13)
NC: Not connected
Dimensions in mm (inch)
Tolerances: ±0.5 (±0.02)
Pin pitch tolerances ±0.25 (±0.01)
Pin dimension tolerance ±0.1 (0.004)
© Copyright 2023 Traco Electronic AG
Specifications can be changed without notice.
www.tracopower.com
Rev. November 14, 2023
Page 4 / 4
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