DC/DC Converter
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TMR 2WI Series, 2 Watt
Ultra-wide 4:1 input range
SIP-9 package
Temperature range –40 to +85°C
High efficiency
Excellent load and line regulation
Indefinite short-circuit protection
I/O isolation 1500 VDC
Remote On/Off control
Fully RoHS compliant
3-year product warranty
The TMR 2WI series is a new family of isolated 2W DC/DC converter modules
with regulated output, featuring ultra-wide 4:1 input voltage ranges of 9-36
VDC or 18-75 VDC. The product comes in a ultra-compact SIP-9 plastic package.
An excellent efficiency up to 84% allows –40°C to +85°C operation temperatures at full load. Further features include remote On/Off control and continuous short circuit protection. Typical applications for these ultra-compact converters are battery operated equipment and distributed power architectures in
communication, instrumentation and industrial electronics, everywhere where
space on the PCB is critical.
Models
Order Code
Input Voltage
Range
TMR 2-2410WI
TMR 2-2411WI
TMR 2-2412WI
TMR 2-2413WI
TMR 2-2421WI
TMR 2-2422WI
TMR 2-2423WI
TMR 2-4810WI
TMR 2-4811WI
TMR 2-4812WI
TMR 2-4813WI
TMR 2-4821WI
TMR 2-4822WI
TMR 2-4823WI
www.tracopower.com
9 - 36 VDC
(24 VDC nom.)
18 - 75 VDC
(48 VDC nom.)
Output 1
Output 2
Vnom
Imax
3.3 VDC
5 VDC
12 VDC
15 VDC
+5 VDC
+12 VDC
+15 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
+5 VDC
+12 VDC
+15 VDC
500 mA
400 mA
167 mA
134 mA
200 mA
83 mA
67 mA
500 mA
400 mA
167 mA
134 mA
200 mA
83 mA
67 mA
October 25, 2023
Vnom
Efficiency
Imax
–5 VDC
–12 VDC
–15 VDC
200 mA
83 mA
67 mA
–5 VDC
–12 VDC
–15 VDC
200 mA
83 mA
67 mA
typ.
71 %
76 %
79 %
80 %
73 %
77 %
79 %
70 %
72 %
78 %
78 %
70 %
76 %
76 %
Page 1 / 4
TMR 2WI Series, 2 Watt
Input Specifications
Input Current
- At no load
24 Vin models:
48 Vin models:
24 Vin models:
48 Vin models:
24 Vin models:
48 Vin models:
24 Vin models:
48 Vin models:
24 Vin models:
48 Vin models:
24 Vin models:
48 Vin models:
24 Vin models:
48 Vin models:
- At full load
Surge Voltage
Start-up Voltage
Under Voltage Lockout
Reflected Ripple Current
Recommended Input Fuse
Input Filter
Short Circuit Input Power
20 mA typ.
15 mA typ.
110 mA typ.
55 mA typ.
50 VDC max. (1 s max.)
100 VDC max. (1 s max.)
4.5 VDC min. / 6 VDC typ. / 8.5 VDC max.
8.5 VDC min. / 12 VDC typ. / 17 VDC max.
8 VDC max.
16 VDC max.
300 mAp-p typ.
600 mAp-p typ.
350 mA (slow blow)
135 mA (slow blow)
(The need of an external fuse has to be assessed
in the final application.)
Internal Capacitor
1.5 W max.
Output Specifications
Voltage Set Accuracy
Regulation
- Input Variation (Vmin - Vmax)
- Load Variation (25 - 100%)
Ripple and Noise
- Voltage Balance
(symmetrical load)
- 20 MHz Bandwidth
Capacitive Load
- single output
- dual output
±2% max.
0.5% max.
0.5% max.
0.75% max.
0.75% max. (Output 1)
0.75% max. (Output 2)
dual output models: 2% max.
single output models:
dual output models:
single output models:
dual output models:
3.3 Vout models:
5 Vout models:
12 Vout models:
15 Vout models:
5 / -5 Vout models:
12 / -12 Vout models:
15 / -15 Vout models:
Minimum Load
Temperature Coefficient
Start-up Time
Short Circuit Protection
Transient Response
- Response Deviation
- Response Time
30 mVp-p typ.
50 mVp-p max.
2'200 µF max.
1'000 µF max.
170 µF max.
110 µF max.
470 / 470 µF max.
100 / 100 µF max.
47 / 47 µF max.
25 % of Iout max.
(Operation at lower load will not damage the
converter, but it may not meet all specifications)
±0.02 %/K max.
1 ms max.
Continuous, Automatic recovery
5% max. (75% to 100% Load Step)
100 µs typ. / 300 µs max. (75% to 100% Load
Step)
Safety Specifications
Standards
Designed for IEC/EN/UL 62368-1 (not certified)
- IT / Multimedia Equipment
EMC Specifications
EMI Emissions
- Conducted Emissions
- Radiated Emissions
EN 55032 class A (with external filter)
EN 55032 class A (with external filter)
External filter proposal: www.tracopower.com/overview/tmr2wi
All specifications valid at nominal voltage, resistive full load and +25°C after warm-up time, unless otherwise stated.
www.tracopower.com
October 25, 2023
Page 2 / 4
TMR 2WI Series, 2 Watt
General Specifications
Relative Humidity
Temperature Ranges
Power Derating
Cooling System
Remote Control
- Operating Temperature
- Case Temperature
- Storage Temperature
- High Temperature
- Voltage Controlled Remote
(passive = on)
- Off Idle Input Current
- Remote Pin Input Current
Switching Frequency
Insulation System
Isolation Test Voltage
Isolation Resistance
Isolation Capacitance
Reliability
Washing Process
- Input to Output, 60 s
- Input to Output, 500 VDC
- Input to Output, 100 kHz, 1 V
- Calculated MTBF
Housing Material
Potting Material
Pin Material
Pin Foundation Plating
Pin Surface Plating
Housing Type
Mounting Type
Connection Type
Footprint Type
Soldering Profile
Weight
Environmental Compliance - REACH Declaration
- RoHS Declaration
- SCIP Reference Number
95% max. (non condensing)
–40°C to +85°C
+90°C max.
–55°C to +105°C
2.86 %/K above 65°C
See application note: www.tracopower.com/overview/tmr2wi
Natural convection (20 LFM)
On: < 0.6 VDC or open circuit
Off: 2.9 to 15 VDC
Refers to 'Remote' and '-Vin' Pin
3 mA max.
-1.0 to 1.0 mA
100 - 650 kHz (PFM)
300 kHz typ. (PFM)
Functional Insulation
1'500 VAC
1'000 MΩ min.
250 pF typ.
500 pF max.
1'200'000 h (MIL-HDBK-217F, ground benign)
According to Cleaning Guideline
www.tracopower.com/info/cleaning.pdf
Non-conductive Plastic (UL 94 V-0 rated)
Epoxy (UL 94 V-0 rated)
Nickel-Iron (Alloy 42)
Nickel (1 µm min.)
Tin (3 - 5 µm), matte
Plastic Case
PCB Mount
THD (Through-Hole Device)
SIP9
Lead-Free Wave Soldering
260°C / 10 s max.
6.5 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).)
d40a088b-a8a0-486b-86d0-09471abcbbb4
Supporting Documents
Overview Link (for additional Documents)
www.tracopower.com/overview/tmr2wi
All specifications valid at nominal voltage, resistive full load and +25°C after warm-up time, unless otherwise stated.
www.tracopower.com
October 25, 2023
Page 3 / 4
TMR 2WI Series, 2 Watt
Outline Dimensions
3
6
7
8
9
9.25 (0.36)
2
3.0
1
(0.12)
Bottom view
0.25 (0.01)
Pinout
0.5 (0.02)
Pin
Single Output
Dual Output
1
–Vin (GND)
–Vin (GND)
2
+Vin (Vcc)
+Vin (Vcc)
3
Remote
Remote
6
+Vout
+Vout
7
NC
Common
8
NC
NC
–Vout
–Vout
9
2.0 2.54 2.54
7.62
2.54 2.54 2.54
(0.08) (0.10) (0.10)
(0.30)
(0.10) (0.10) (0.10)
(0.13)
12.45
3.2
0.5 (0.02)
(0.49)
NC: Not connected
25.95 (1.02)
Dimensions in mm (inch)
Ø 0.5 ±0.05 (0.02 ±0.002)
Pin diameter
±0.5 (±0.02)
Tolerances
Pin pitch tolerance ±0.2 (±0.008)
© Copyright 2023 Traco Electronic AG
Specifications can be changed without notice.
www.tracopower.com
Rev. October 25, 2023
Page 4 / 4
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