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 3 Series 3 Watt
Input Specifications
Input current at full load (nominal input voltage) 4.5–9 Vin models: 820 mA max.
9-–18 Vin models: 330 mA max.
18–36 Vin models: 170 mA max.
36–75 Vin models: 85 mA max.
Surge voltage (100 msec. max.) 4.5–9 Vin models: 15 V max.
9-–18 Vin models: 36 V max.
18–36 Vin models: 50 V max.
36–75 Vin models: 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 < 1ms
at nominal input and resistive load
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 0% of rated max. load
Temperature coefficient 0.1 %/K
Ripple and noise (20 MHz Bandwidth) 75 mVpk-pk max.
Start up time – Power On
30 ms typ.
(constant resistive load) – Remote On 30 ms typ.
Transient response setting time (25% load step change) 500 µs typ.
Temperature coefficient ± 0.1 %/°C
Short circuit protection continuous, automatic recovery
Capacitive load
3.3 VDC / 5 VDC output models: 1‘760 µF max. / 1’000 µF max.
12 VDC / 15 VDC output models: 170 µF max. / 110 µF max.
±5 VDC / ±15 VDC output models: ± 470 µF max. / ± 100 µF max.
±15 VDC output models: ± 47 µF max.
General Specifications
Temperature ranges – Operating – 40 °C ... + 70 °C (no derating)
– Case temperature +100 °C max.
– Storage – 55 °C ... + 125 °C
Load derating 3.5 %/K above 70°C
Humidity (non condensing) 95 % rel. H max.
Reliability, calculated MTBF (MIL-HDBK-217F ground benign) >2.4 Mio h @ 25°C
Isolation voltage (60 sec) – Input/Output 1’500 VDC
Isolation capacity –
Input/Output 1000 pF max.
Isolation resistance –
Input/Output (500 VDC) >10 GOhm
Switching frequency 100 kHz (PWM)
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.