Data Sheet

Input Current
- At no load
5 Vin models:
20 mA typ.
12 Vin models:
25 mA typ.
24 Vin models:
25 mA typ.
(at Vin nom.)
- At full load
5 Vin models:
3'000 mA max.
12 Vin models:
2'600 mA max.
24 Vin models:
2'200 mA max. (3 Vout model)
3'000 mA max. (5 Vout model)
(at Vin min.)
Reflected Ripple Current
5 Vin models:
30 mAp-p typ.
12 Vin models:
30 mAp-p typ.
24 Vin models:
30 mAp-p typ.
(24 Vin models: Ext. filter, see application note)
Recommended Input Fuse
5 Vin models:
5'000 mA (slow blow)
12 Vin models:
5'000 mA (slow blow)
24 Vin models:
5'000 mA (slow blow)
(The need of an external fuse has to be assessed
in the final application.)
Input Filter
Internal Capacitor
Input Specifications
Output Voltage Adjustment
0.6 Vout models:
0.6 - 3.3 VDC
0.6 - 6.0 VDC
3 Vout models:
3.0 - 6.0 VDC
5 Vout models:
5.0 - 15.0 VDC
(By external trim resistor)
See application note:
www.tracopower.com/overview/tsr3
(TSR 3-0533: Vin at least 0.5 V higher than Vout
TSR 3-1250: Vin at least 2 V higher than Vout
TSR 3-24150: Vin at least 3 V higher than Vout)
Voltage Set Accuracy
±2% max.
Regulation
- Input Variation (Vmin - Vmax)
0.2% max. (Vout >2.5 VDC)
5 mV typ. (Vout <2.5 VDC)
- Load Variation (10 - 90%)
0.8% max. (Vout >2.5 VDC)
15 mV typ. (Vout <2.5 VDC)
Ripple and Noise
(20 MHz Bandwidth)
0.6 Vout models:
50 mVp-p typ.
3 Vout models:
75 mVp-p typ.
5 Vout models:
150 mVp-p typ.
Capacitive Load
0.6 Vout models:
1'000 µF max.
3 Vout models:
1'000 µF max.
5 Vout models:
500 µF max.
(ESR >1 mOhm)
Minimum Load
Not required
Temperature Coefficient
±1 %/K max.
Start-up Overshoot Voltage
1% max.
Short Circuit Protection
Continuous, Automatic recovery
Output Current Limitation
280% typ. of Iout max.
(5 Vin models)
220% typ. of Iout max. (other models)
Transient Response
- Peak Variation
250 mV typ. / 500 mV max. (50% Load Step)
(5.0 Vout model)
150 mV typ. / 250 mV max. (50% Load Step)
(other models)
- Response Time
120 µs typ. / 220 µs max. (50% Load Step)
Output Specifications
TSR 3 Series, 3 A
All specifications valid at nominal voltage, full load and +25°C after warm-up time unless otherwise stated.
www.tracopower.com
September 2, 2020
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