DC/DC Converters
TMR Series
2 Watt
Input Specifications
Input current at full load (nominal input)
Surge voltage (100 msec. max.)
Input Filter
Start up time
5 Vin models:
12 Vin models:
24 Vin models:
48 Vin models:
5 Vin models:
12 Vin models:
24 Vin models:
48 Vin models:
667 mA max.
242 mA max.
119 mA max.
62 mA max.
15 V max.
25 V max.
50 V max.
100 V max.
Capacitor type
< 1ms (at nominal input and resistive load)
Output Specifications
Voltage set accuracy
±2%
Regulation
– Input variation Vin min. to Vin max.
– Load variation 25 – 100 %:
± 0.5 % max.
± 0.75 % max. for Single output models
± 1.0% max. for Dual output models
Ripple and noise (20 MHz Bandwidth)
Temperature coefficient
50 mVpk-pk max
± 0.1 % / °C
Short circuit protection
continuous, automatic recovery
Minimum load
Capacitive load
3.3 VDC / 5 VDC output models:
12 VDC / ±5 VDC output models:
±12 VDC / ±15 VDC output models:
25% of rated max current (operation at lower
load condition is safe but a higher output ripple
will be experianced)
2’200 µF max. / 1’000 µF max.
70 µF max. / ±470 µF max.
100 µF max. / ± 47 µF max.
General Specifications
Temperature ranges
– Operating
– Storage
Humidity (non condensing)
Reliability, calculated MTBF (MIL-HDBK-217 F)
Isolation voltage
Input/Output
Isolation capacity
Input/Output
Isolation resistance
Input/Output (500 VDC)
Switching frequency
Remote ON/OFF
ON:
OFF:
OFF stand by input current
– 40 °C ... + 85 °C (no derating)
– 55 °C ... + 105 °C
95 % rel. H max.
> 2.3 Mio h @ 25°C
1’000 VDC
300 pF max.
> 1‘000 M Ohm
100 to 650 kHz (PFM)
Open or high impedance
3...6mA input current applied via 1KW resistor
max 1mA
Physical Specifications
Case material
Non-conductive plastic
Potting material
Epoxy, flammability to UL94V-0
Weight
4.8g (0.17oz)
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
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