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DC/DC Converters
THM 3WI Series, 3 Watt
Features
Ultra wide 4:1 input voltage
I/O isolation 5000 VACrms rated for
250 VACrms working voltage
2 x MOPP Medical safety according to
AAMI/ANSI ES 60601-1:2005(R) and
IEC/EN 60601-1 3rd edition
Low leakage current <2 µA
Very high efficiency up to 87%
Extended operating temperature range
–40°C to 9C at full load.
Input filter to meet EN55022 class A
3-year product warranty
The THM-3WI series is a range of high performance, regulated 3 Watt DC/DC
converters in a DIP-24 plastic package. The reinforced I/O-isolation system com-
plies with the medical safety requirements for MOPP (Means Of Patient Protection).
Together with a wide 4:1 input voltage range, and an internal EMI filter to meet
EN55022 class A the converters constitute also a reliable solution for many de-
manding applications such as transportation systems, industrial control equipments,
measurement equipments, and some IGBT driver applications. With A high efficien-
cy of up to 87% and highest grade components the converters can reliably operate
in an ambient temperature range of –40 up to +94°C at full load.
Order code Input voltage range Output voltage Output current max. Efficiency typ.
THM 3-0510WI
4.5 – 9 VDC
(5 VDC nominal)
3.3 VDC 1000 mA 81.0 %
THM 3-0511WI 5.0 VDC 600 mA 84.5 %
THM 3-0512WI 12 VDC 250 mA 85.5 %
THM 3-0513WI 15 VDC 200 mA 87.5 %
THM 3-0515WI 24 VDC 125 mA 85.5 %
THM 3-0521WI ±5.0 VDC ±300 mA 83.0 %
THM 3-0522WI ±12 VDC ±125 mA 86.0 %
THM 3-0523WI ±15 VDC ±100 mA 86.0 %
THM 3-2410WI
9 – 36 VDC
(12 VDC nominal)
3.3 VDC 1000 mA 82.0 %
THM 3-2411WI 5.0 VDC 600 mA 84.5 %
THM 3-2412WI 12 VDC 250 mA 87.0 %
THM 3-2413WI 15 VDC 200 mA 87.0 %
THM 3-2415WI 24 VDC 125 mA 87.0 %
THM 3-2421WI ±5.0 VDC ±300 mA 83.0 %
THM 3-2422WI ±12 VDC ±125 mA 87.0 %
THM 3-2423WI ±15 VDC ±100 mA 86.0 %
THM 3-4810WI
18 – 75 VDC
48 VDC nominal)
3.3 VDC 1000 mA 81.0 %
THM 3-4811WI 5.0 VDC 600 mA 84.0 %
THM 3-4812WI 12 VDC 250 mA 87.0 %
THM 3-4813WI 15 VDC 200 mA 86.5 %
THM 3-4815WI 24 VDC 125 mA 86.5 %
THM 3-4821WI ±5.0 VDC ±300 mA 83.0 %
THM 3-4822WI ±12 VDC ±125 mA 86.0 %
THM 3-4823WI ±15 VDC ±100 mA 86.0 %
Models
Page 1 of 3
ES 60601-1
http://www.tracopower.com
DC/DC Converters
THM 3WI Series 3 Watt
Input Specifications
Input current at no load 5 Vin models: 20 mA typ.
24 Vin models: 6 mA typ.
48 Vin models: 4 mA typ.
Start-up voltage / under voltage shut down 5 Vin models: 4.5 VDC / 4.0 VDC typ.
24 Vin models: 9.0 VDC / 8.0 VDC typ.
48 Vin models: 18 VDC / 16 VDC typ.
Surge voltage (1 sec. max.) 5 Vin models: 16 VDC max.
24 Vin models: 50 VDC max.
48 Vin models: 100 VDC max.
Conducted noise EN 55022 class A, without external components
ESD
(electrostatic discharge)
EN 61000-4-2, air ±8 kV, contact ±6 kV,
perf. criteria A
Radiated immunity EN 61000-4-3, 10 V/m, perf. criteria A
Fast transient / surge (with external input capacitor / diode) EN 61000-4-4, ±2 kV, perf. criteria A
EN 61000-4-5, ±2 kV perf. criteria A
– external input capacitor: 5 Vin models: Nippon chemi-con KY 1000 µF/ 25 V and
reverse diode (Vishay V10P45) in parallel
24 Vin models: Nippon chemi-con KY 470 µF/ 50 V
48 Vin models: Nippon chemi-con KY 330 µF/ 100 V
Conducted immunity EN 61000-4-6, 10 Vrms, perf. criteria A
External input fuse required (recommended values, slow blow type) 5 Vin models: 2.5 A
24 Vin models: 1.5 A
48 Vin models: 1 A
Output Specifications
Voltage set accuracy ±1.0 % max.
Regulation – Input variation single output models 0.2 % max.
dual output models 0.5 % max.
– Load variation 0 – 100 %: single output models: 0.2 % max..
dual output models balanced load: 1.0 % max.
dual output models unbalanced load: 5.0 % max.
Minimum load not required
Start up time 30 mS
Ripple and noise (20 MHz Bandwidth) 3.3 & 5.0 VDC models: 30 mVp-p typ. with cap. 10µF/25V X7R MLCC
12 & 15 VDC models: 40 mVp-p typ. with cap. 10µF/25V X7R MLCC
24 VDC models: 50 mVp-p typ. with cap. 4.7µF/50V X7R MLCC
Transient response (25% load step change) 250 µs typ.
Current limitation 150 % Iout nominal typ. (hiccup mode)
Short circuit protection continuous (automatic recovery)
Over voltage protection 3.3 VDC output models: 3.7 – 5.0 VDC
5 VDC & ±5 VDC output models: 5.6 – 7.0 VDC
12 VDC output models: 13.5 – 16.0 VDC
15 VDC output models: 18.3 – 22.0 VDC
24 VDC output models: 29.1 – 34.5 VDC
±12 VDC output models: 13.5 – 18.2 VDC
±15 VDC output models: 17.0 – 22.0 VDC
Capacitive load 3.3 VDC output models: 1050 µF max.
5 VDC output models: 750 µF max.
12 VDC output models: 130 µF max.
15 VDC output models: 100 µF max.
24 VDC output models: 39 µF max.
±5 VDC output models: 430 µF max. (each output)
±12 VDC output models: 75 µF max. (each output)
±15 VDC output models: 56 µF max. (each output)
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
Page 2 of 3
Specifications can be changed without notice! Make sure you are using the latest documentation, downloadable at www.tracopower.com
www.tracopower.com
DC/DC Converters
THM 3WI Series 3 Watt
Outline Dimensions
Rev. May 04. 2015
Pin Single Dual
2–Vin (GND) –Vin (GND)
11 No con. –Vout
14 +Vout +Vout
16 –Vout Common
22 +Vin (Vcc) +Vin (Vcc)
23 +Vin (Vcc) +Vin (Vcc)
Standard Pinout
Dimensions in [mm], () = Inch Tolerances ±0.5 (±0.02)
Pin ø 0.6 ±0.1 (0.024 ±0.004) Pin pich tolerances ±0.25 (±0.01)
General Specifications
Temperature ranges – Operating –40°C to +94°C (without derating)
– Casing +105°C max.
– Storage –5C to +125°C
Humidity (non condensing) 95 % rel H max.
Temperature coefficient ±0.02 %/K typ.
Switching frequency 150 kHz ±15 kHz (puls width modulation)
I/O isolation voltage – to meet UL/IEC/EN 60601-1 5000 VACrms, rated for 250 VACrms working
(50Hz, 60sec.) voltage, 2 x MOPP
Clearance/creepage 8 mm min.
Leakage current 2 µA max. (at 240 VAC, 60 Hz)
Isolation capacitance – Input/Output 17 pF max. (at 100 KHz, 1 V)
Safety standards ANSI/AAMI ES 60601-1:2005/(R)2012,
UL 60601-1, IEC/EN 60601-1 3rd edition
– Certification documents www.tracopower.com/overview/thm3wi
Reliability, calculated MTBF (MIL-HDBK-217F, at +25°C, ground benign) >6.4 Mio. h
Casing material non conductive plastic (UL 94V-0-rated)
Potting material silicone (UL 94V-0-rated)
Vibration and thermal shock resistance according to MIL-STD-810F
Weight 14.0 g (0.48 oz)
Soldering temperature max. 265°C / 10 sec.
Environmental compliance – Reach www.tracopower.com/overview/thm3wi
– RoHS according RoHS directive 2011/65/EU
Page 3 of 3
- The component is not be used in an oxygen rich environment.
- The component is not to be used in conjunction with flammable anaesthetics and agents.
- The component has to be disposed appropriately. Please refer to local regulations (Waste Electrical and Electronic Equipment).
- A modification of the component is not allowed.
11
2223
2
16 14
Bottom view
15.24
2.54
20.3
(0.10)
(0.60)
(0.80)
10.2 (0.40)3.8
(0.15)
2.54 15.24 5.08
4.5
31.8
(0.10)
(0.60)
(0.20)
(0.18)
(1.25)
12
2324
1
15 13
Bottom view
15.24
2.54
20.3
(0.10)
(0.60)
(0.80)
10.2 (0.40)3.8
(0.15)
2.54 20.32 2x2.54
2.0
31.8
(0.10)
(0.80)
(2x0.1)
(0.08)
(1.25)
11
Standard pinning Optional pinning: suffix -A1
Pin Single Dual
1+Vin (Vcc) +Vin (Vcc)
11 No pin Common
12 –Vout No pin
13 +Vout –Vout
15 No pin +Vout
23 –Vin (GND) –Vin (GND)
24 –Vin (GND) –Vin (GND)
Optional Pinout