Data Sheet
Input Current
- At no load
15 mA max.
Surge Voltage
40 VDC max. (1 s max.)
Input Inrush Current
70 A typ. (12 Vout model)
30 A typ. (other models)
Recommended Input Fuse
2'000 mA (fast acting)
(The need of an external fuse has to be assessed
in the final application.)
Input Filter
Internal Capacitor
Input Specifications
Voltage Set Accuracy
±4% max. (at 50% load)
Regulation
- Input Variation (Vmin - Vmax)
0.7% max.
- Load Variation (25 - 100%)
0.7% max.
Ripple and Noise
(20 MHz Bandwidth)
3.3 Vout models:
40 mVp-p max. (w/ 47 µF)
5 Vout models:
75 mVp-p max. (w/ 47 µF)
12 Vout models:
75 mVp-p max. (w/ 47 µF)
Capacitive Load
3.3 Vout models:
1'200 µF max.
5 Vout models:
660 µF max.
12 Vout models:
470 µF max.
Minimum Load
Not required
Temperature Coefficient
±0.02 %/K max.
Hold-up Time
40 µs min. (3.3 Vout model)
160 µs min. (5 Vout model)
1'400 µs min. (12 Vout model)
Start-up Time
2.1 ms max.
Short Circuit Protection
Continuous, Automatic recovery
Output Current Limitation
200 - 500% of Iout max.
Transient Response
- Peak Variation
70 mV max. (50% to 100% Load Step) (3.3 Vout
model)
90 mV max. (50% to 100% Load Step) (5 Vout
model)
130 mV max. (50% to 100% Load Step) (12
Vout model)
- Response Time
75 µs typ. (50% to 100% Load Step)
Output Specifications
EMI Emissions
- Conducted Emissions
EN 55032 class A (with external filter)
EN 55032 class B (with external filter)
- Radiated Emissions
EN 55032 class A (with external filter)
EN 55032 class B (with external filter)
External filter proposal:
www.tracopower.com/overview/tsr1-5e
EMC Specifications
Relative Humidity
95% max. (non condensing)
Temperature Ranges
- Operating Temperature
–40°C to +85°C (without derating)
- Case Temperature
+130°C max.
- Storage Temperature
–55°C to +125°C
Power Derating
- High Temperature
4 %/K above 85°C
Over Temperature
Protection Switch Off
- Protection Mode
130°C to 140°C (Automatic recovery at 130°C
typ.)
- Measurement Point
Internal IC temperature
Cooling System
Natural convection (20 LFM)
Altitude During Operation
2'000 m max.
General Specifications
TSR 1.5E Series, 1.5 A
All specifications valid at nominal voltage, full load and +25°C after warm-up time unless otherwise stated.
www.tracopower.com
February 12, 2021
Page 2 / 3