DC/DC Converters
TSR-1 Series
1 A
Input Specifications
Maximum input current (@ Vin min. and 1 A output current)
1 A
No load input current
1 mA typ.
Reflected ripple current
150 mA see application notes (page 3) for to
meet EN55022 class A
Input filter
internal capacitors
Output Specifications
Voltage set accuracy
2 % (at full load)
Regulation
– Input variation
0.2 %
– Load variation (10 – 100 %) 1.2 & 1.5 VDC models: 0.6 %
other models: 0.4 %
Overshoot startup voltage
Minimum load
1.0 % max.
not required
Ripple and noise (20 MHz Bandwidth)
1.2 – 6.5 VDC models: 50 mVpk-pk max.
9 – 15 VDC models: 75 mVpk-pk max.
Temperature coefficient
0.015 % / °C max.
Dynamic load response 50% load change (upper half)
150 mV max. peak variation
250 µS max. response time
Startup rise time 10 % to 90 % Vout
Short circuit protection
Current limitation
2 mS
continuous, automatic recovery
@ 2.5 A typ.
Capacitive load
470 µF max.
General Specifications
Temperature ranges
– Operating
– Storage
–40°C to +85°C
–55°C to +125°C
Derating
2.4 %/K above 60°C
acc. MIL-STD-810F
95 % rel H max.
>5’350’000 h
Thermal shock
Humidity (non condensing)
Reliability, calculated MTBF (MIL-HDBK-217F, @ 25°C, ground benign)
Isolation voltage
none
Isolation capacity
Isolation resistance
Switching frequency
Safety standards
– Input/Output
– Input/Output
40 pF typ.
>1‘000 Mohm
500 kHz typ.
UL 60950-1, EN 60950-1, IEC 60950-1
Physical Specifications
Casing material
non-conductive plastic
Potting material
epoxy (flammability to UL 94V-0 rated)
1.9 g (0.07 oz)
Package weight
Soldering profile
max. 265°C / 10 sec. (wave soldering)
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
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