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TMR3-0513

DC/DC Converters

TRACO Electronic AG 

DC/DC Converters

TMR 3 Series

3 Watt

Input Specifications

Input current at full load / at no load

(nominal input voltage)

5 Vnom models:

12 Vnom models:

24 Vnom models:

48 Vnom models:

810 mA max. / 60 mA typ.

330 mA max. / 30 mA typ.

160 mA max. / 18 mA typ.

85 mA max. / 12 mA typ.

Surge voltage (100 msec. max.)

5 Vnom models:

12 Vnom models:

24 Vnom models:

48 Vnom models:

15 V max.

36 V max.

50 V max.

100 V max.

Input voltage variation (dv/dt) 5 V/ms, max.

(complies with ETS300 132 part 4.4)

Input filter capacitor type (see application note for

compliance to EN 55022 class A/B)

Start up time

(constant resistive load)

– Power On 30 ms typ.

– Remote On 30 ms typ.

Output Specifications

Voltage set accuracy ±1 % max

Regulation

– Input variation Vin min. to Vin max. 0.2 % max.

– Load variation 5 – 100%

single output models: 0.5 % max.

dual output models: 1.0 % max. balanced load

– Load variation 0 – 100%

single output models: 1.0 % max.

dual output models: 1.0 % max. balanced load

– Load cross regulation 25/100% 5.0 % max. (dual output models)

Minimum load not required

Ripple and noise (20 MHz Bandwidth) 50 mVp-p max.

Transient response setting time (25% load step change) 500 µs typ.

Short circuit protection continuous, automatic recovery

Capacitive load

3.3 VDC / 5 VDC output models:

12 VDC / 15 VDC output models:

±5 VDC / ±12 VDC output models:

±15 VDC output models:

3300 µF max. / 1680 µF max.

820 µF max. / 680 µF max.

±1000 µF max. / ±470 µF max.

±330 µF max.

General Specifications

Temperature ranges

– Operating –40°C to +85°C

– Case temperature +100°C max.

– Storage –55°C to +105°C

Load derating 3.3 %/K above 70°C

Humidity (non condensing) 5 – 95 % rel. H max.

Temperature coefficient ±0.02 %/K

Reliability, calculated MTBF (MIL-HDBK-217F, at +25°C, ground benign) >4.8 Mio h

Isolation voltage (60 sec.) – Input/Output 1600 VDC

with suffix -HI: 3000 VDC

Isolation capacitance

– Input/Output 200 pF max.

with suffix -HI: 40 pF max.

Isolation resistance

– Input/Output (500 VDC) >1 GOhm

Switching frequency 100 kHz min. (PFM)

Remote On/Off

– On: open or high impedance

– Off: 2...4 mA current applied via 1KOhm resistor

– Off stand by input current

2.5 mA max.

All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.

http://www.tracopower.com

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