Datasheet
Input Current
- At no load
9 Vin models:
1 mA typ.
12 Vin models:
1 mA typ.
24 Vin models:
1 mA typ.
- At full load
9 Vin models:
1'000 mA max.
12 Vin models:
1'000 mA max.
24 Vin models:
1'000 mA max.
(at Vin min.)
Reflected Ripple Current
150 mAp-p typ.
Recommended Input Fuse
- 9 Vin input
1.2 Vout models:
630 mA (slow blow)
1.5 Vout models:
800 mA (slow blow)
1.8 Vout models:
800 mA (slow blow)
2.5 Vout models:
1'250 mA (slow blow)
3.3 Vout models:
1'250 mA (slow blow)
- 12 Vin input
5 Vout models:
1'600 mA (slow blow)
6.5 Vout models:
1'250 mA (slow blow)
- 24 Vin input
9 Vout models:
1'250 mA (slow blow)
12 Vout models:
1'600 mA (slow blow)
15 Vout models:
1'600 mA (slow blow)
(The need of an external fuse has to be assessed
in the final application.)
Input Filter
Internal Capacitor
Input Specifications
Voltage Set Accuracy
±2% max.
Regulation
- Input Variation (Vmin - Vmax)
0.2% max.
- Load Variation (10 - 100%)
0.6% max. (1.2 & 1.5 Vout models)
0.4% max. (other models)
Ripple and Noise
(20 MHz Bandwidth)
9 Vin models:
50 mVp-p typ.
12 Vin models:
50 mVp-p typ.
24 Vin models:
75 mVp-p typ.
Capacitive Load
470 µF max.
Minimum Load
Not required
Temperature Coefficient
±0.015 %/K max.
Start-up Overshoot Voltage
1% max.
Short Circuit Protection
Continuous, Automatic recovery
Output Current Limitation
250% typ. of Iout max.
Transient Response
- Peak Variation
150 mV typ. / 200 mV max. (50% Load Step)
- Response Time
250 µs typ. / 350 µs max. (50% Load Step)
Output Specifications
EMI Emissions
- Conducted Emissions
EN 55032 class A (with external filter)
- Radiated Emissions
EN 55032 class A (with external filter)
External filter proposal:
www.tracopower.com/overview/tsr1
EMC Specifications
Relative Humidity
95% max. (non condensing)
Temperature Ranges
- Operating Temperature
–40°C to +85°C
- Storage Temperature
–55°C to +125°C
Power Derating
- High Temperature
2.4 %/K above 60°C
See application note:
www.tracopower.com/overview/tsr1
Over Temperature
Protection Switch Off
- Protection Mode
150°C typ. (Automatic recovery)
- Measurement Point
Internal IC temperature
Cooling System
Natural convection (20 LFM)
General Specifications
TSR 1 Series, 1 A
All specifications valid at nominal voltage, resistive full load and +25°C after warm-up time, unless otherwise stated.
www.tracopower.com September 20, 2023
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