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
TMA Series 1 Watt
Input Specifications
Input current no load /full load 5 Vin models: 30 mA / 260 mA typ.
12 Vin models: 12 mA / 110 mA typ.
15 Vin models: 12 mA / 100 mA typ.
24 Vin models: 7 mA / 55 mA typ.
Surge voltage (1 sec. max.) 5 Vin models: 9 V max.
12 Vin models: 18 V max.
15 Vin models: 21 V max.
24 Vin models: 30 V max.
Reverse voltage protection 0.3 A max.
Reflected input ripple current can be reduced by ext. 1–3.3 µF polyester film
capacitor
Input filter internal capacitors
Output Specifications
Voltage set accuracy ± 3 %
Voltage balance (dual output models) ± 1 % max.
Regulation – Input variation ± 1.2 % / 1 % change Vin
– Load variation 20 – 100 % ± 10 % max.
Ripple and noise (20 MHz Bandwidth) 75 mV pk-pk max.
Temperature coefficient ± 0.02 % / K
Short circuit protection limited 1 sec. max.
Capacitive load – Single output models 220 µF max.
– Dual output models 100 µF max.
General Specifications
Temperature ranges – Operating –40 °C ... +85 °C
– Case temperature +95 °C max.
– Storage –40 °C ... +105 °C
Humidity (non condensing) 95 % rel H max.
Reliability, calculated MTBF (MIL-HDBK-217E) >2’000’000 h @ 25 °C
Isolation voltage (input/output) 1‘000 VDC
Isolation capacity (input/output) 60 pF typ.
Isolation resistance (input/output) >1‘000 Mohm
Switching frequency 100 kHz typ. (frequency modulation)
Frequency change over line and load ± 30 % max.