TMR 3-1222 TRACOPOWER, TMR 3-1222 Datasheet - Page 2

• Manufacturer Part Number: TMR 3-1222
• Description: DC/DC CONVERTER, 3W, +/-12V/0.13A
• Manufacturer: TRACOPOWER

Specifications of TMR 3-1222

• Dc / Dc Converter O/p Type: Fixed
• No. Of Outputs: 2
• Input Voltage: 9V To 18V
• Power Rating: 3W
• Output Voltage: 12V
• Output Current: 125mA
• Output Voltage 2: -12V
• Output Current 2: -125mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
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Input Specifications
Input current at full load / at no load
(nominal input voltage)
Surge voltage (100 msec. max.)
Input voltage variation (dv/dt)
Input filter
Start up time
(constant resistive load)
Output Specifications
Voltage set accuracy
Regulation
Minimum load
Ripple and noise (20 MHz Bandwidth)
Transient response setting time (25% load step change)
Short circuit protection
Capacitive load
General Specifications
Temperature ranges
Load derating
Humidity (non condensing)
Temperature coefficient
Reliability, calculated MTTF (MIL-HDBK-217F, @ +25°C, ground benign)
Isolation voltage (60 sec.)
Isolation capacitance
Isolation resistance
Switching frequency
Remote On/Off
Safety standards
– Power On
– Remote On
– Input variation Vin min. to Vin max.
– Load variation 5 – 100%
– Load variation 0 – 100%
– Load cross regulation 25/100%
– Operating
– Case temperature
– Storage
– Input/Output
– Input/Output
– Input/Output (500 VDC)
– On:
– Off:
– Off stand by input current
±5 VDC / ±15 VDC output models: ±470 µF max. / ± 100 µF max.
12 VDC / 15 VDC output models: 170 µF max. / 110 µF max.
3.3 VDC / 5 VDC output models: 1760 µF max. / 1000 µF max.
±15 VDC output models: ±47 µF max.
single output models: 0.5 % max.
single output models: 1.0 % max.
dual output models: 1.0 % max. balanced load
dual output models: 1.0 % max. balanced load
18–36 Vin models: 160 mA max. / 18 mA typ.
36–75 Vin models: 85 mA max. / 12 mA typ.
18–36 Vin models: 50 V max.
36–75 Vin models: 100 V max.
4.5–9 Vin models: 810 mA max. / 80 mA typ.
4.5–9 Vin models: 15 V max.
9-–18 Vin models: 330 mA max. / 45 mA typ.
9-–18 Vin models: 36 V max.
5 V/ms, max.
(complies with ETS300 132 part 4.4)
capacitor type (see application note for
compliance to EN 55022 class A/B)
30 ms typ.
30 ms typ.
±1 % max
0.2 % max.
5.0 % max. (dual output models)
0 % of rated max. load
75 mVpk-pk max.
500 µs typ.
indefinite, automatic recovery
–40°C to +85°C
+100°C max.
–55°C to +125°C
3.3 %/K above 70°C
95 % rel. H max.
±0.02 %/K
>2.4 Mio h
1600 VDC
200 pF max.
>10 GOhm
100 kHz min. (PFM)
open or high impedance
2...4 mA current applied via 1KOhm resistor
2.5 mA max.
IEC/EN 60950-1, UL 60950-1
DC/DC Converters
TMR 3 Series
Page 2 of 3
3 Watt