Datasheet

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All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
DC/DC Converters
TMR Series 2 Watt
Input Specifications
Input current at full load (nominal input) 5 Vin models: 667 mA max.
12 Vin models: 242 mA max.
24 Vin models: 119 mA max.
48 Vin models: 62 mA max.
Surge voltage (100 msec. max.) 5 Vin models: 15 V max.
12 Vin models: 25 V max.
24 Vin models: 50 V max.
48 Vin models: 100 V max.
Input Filter capacitor type
Start up time < 1ms (at nominal input and resistive load)
Output Specifications
Voltage set accuracy ± 2 %
Regulation – Input variation Vin min. to Vin max. ± 0.5 % max.
– Load variation 25 – 100 %: ± 0.75 % max. for single output models
± 1.0% max. for dual output models
Ripple and noise (20 MHz Bandwidth) 50 mVpk-pk max
Temperature coefficient ± 0.1 % / °C
Short circuit protection continuous, automatic recovery
Minimum load 25% of rated max current (operation at lower
load condition is safe but a higher output ripple
will be experianced)
Capacitive load 3.3 VDC / 5 VDC output models: 2’200 µF max. / 1’000 µF max.
12 VDC / ±5 VDC output models: 70 µF max. / ±470 µF max.
±12 VDC / ±15 VDC output models: 100 µF max. / ± 47 µF max.
General Specifications
Temperature ranges – Operating – 40 °C ... + 75 °C (no derating)
– Storage – 55 °C ... + 105 °C
Humidity (non condensing) 95 % rel. H max.
Reliability, calculated MTBF (MIL-HDBK-217 F) > 2.3 Mio h @ 25°C
Isolation voltage – Input/Output 1’000 VDC
Isolation capacity – Input/Output 300 pF max.
Isolation resistance – Input/Output (500 VDC) > 1‘000 M Ohm
Switching frequency 100 to 650 kHz (PFM)
Remote On/Off ON: open or high impedance
OFF: 3...6mA input current applied via 1KW resistor
OFF stand by input current max 1mA
Physical Specifications
Case material non-conductive plastic
Potting material epoxy, UL 94V-0 - rated
Weight 4.8g (0.17oz)