Integrated heat sink for extremely low thermal stress to temperature sensitive components
Glued parts for better vibration resistance
Overtemperature and overvoltage shutdown
Short circuit protection
Remote on/off
LEDs: green LED indicates correct input voltage, yellow LED indicates operating mode
Fixed switching frequency 200kHz
Reverse polarity protection by internal protector
Thermal Warning (TW)
Operating criteria: Overtemperature shutdown -5K (Risk of overtemperature exists.)
Output TW: Output with NPN transistor, emitter connected with V out-; max. current 30mA
Hold-up Time
According to EN 50155 Class S2 for P out 75W
Supply Fail (FAL)
Output FAL: Isolated optocoupler output with NPN transistor
Current: 5mA
Voltage max.: 5V
Pins: Open collector FAL, emitter FAL connected to V out-
Isolation: FAL-V in: 1.500 Vrms
Sense (S)
Provides compensation of voltage drops (max. 0.2V each line) between power supply and load
Pins S+ and S- of converter must be connected to load
Shutdown interrupt (SD-INT)
SD-INT in: 24V
SD-INT out current: 5mA
SD-INT out voltage: 5V
SD-INT out pins: Collector pull-up resistor 10K to V out+
SD-INT out isolation: SD-INT in to SD-INT out: 1.500 Vrms
Input Characteristics
Nominal voltage input: 110V DC
Wide input range: 0.7 x nominal voltage < nominal voltage < 1.25 x nominal voltage (according to EN50155)
77..137.5 VDC
Max. input voltage range: 0.6 x nominal voltage < nominal voltage < 1.4 x nominal voltage with full functionality for 0.1 s, no damage for 1 s (according to EN50155)
66..154 VDC
Voltage on threshold: 1.1V
No load input current: 15mA
Output Characteristics
Output: 5V/75W
Accuracy: ±0.5%
Voltage deviation: 12%
Rise time: 80ms
Overvoltage protection: 1.2V
Overcurrent protection: 1.08A min., 1.15A max.
Overtemperature shutdown: 101°C min., 105°C typ., 107°C max.
Connection
Input and output via DIN 41612 plug connector, type H15
Electrical Specifications
Isolation
Input/output: 1500V eff
Input/case: 1500V eff
Output/case: 500V eff
MTBF: tbd. @ 50°C (derived from MIL-HDBK-217F)
Mechanical Specifications
Dimensions: 3U, 12HP, 128.4mm height
Weight: ca. 1395g
Environmental Specifications
Temperature range (operation): -40..+85°C
Temperature range (storage): -40..+105°C
Shock: according to IEC 68-2-27
Continuous shock: according to IEC 68-2-29
Vibration: according to IEC 68-2-6
Protection
Class of protection: Class I, EN 60950
Degree of protection: IP20 (inserted in rack), DIN 40050 (IEC 529)
Pollution degree: 2 (EN 60950)
Safety
Tbd.
EMC
Tbd.
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