DTX42K48 Datasheet, PDF (1/2 Pages) Astec America, Inc – 42 Amps

Embedded Power for
Business-Critical Continuity
DTX42K48
42 Amps
Total Power: 50 Watts
Input Voltage: 48V
# of Outputs: Single
Special Features
• Fully Digital-mode DC-DC con-
verter
• Extensive PMBus^TM command
set implementation for
maximum control opportunity
• Efficiency optimizer
(Pat. Pending)
• Self Diagnostics (Pat. Pending)
• User accessible data storage
• Low profile SMT termination
for tight-fit applications
(portable equipment, etc)
• User accessible operating code
for optimum flexibility
• Basic Insulation
Safety
UL, cUL 60950 (Pending)
TUV EN60950 (Pending)
Electrical Specifications
Input
Input range
36 to 75VDC
Input surge
100V / 100ms
Under voltage lock-out
Programmable
34V - 36V (default turn-on)
30V - 33V (default turn-off)
Output
Line regulation
Load regulation
±0.18%Vo
±0.1%Vo
Output voltage setpoint
Noise/ripple²
±0.5%
25mV Typ
Remote sense
Differential mode - up to 10%Vo
Transient response²
Programmable Loop compensation
Default: 5% Vo deviation
50% to 75% load change
Overvoltage protection
Programmable range and mode
Default - 115% lo
Over current protection
Programmable range and mode
Default - 115% lo
Over temperature protection Programmable range and mode
Default - 110°C (at ref sense point)
Switching frequency
Programmable - 380 KHz default
Isolation Voltage
1500 Vdc
Control
Voltage Adjust
Enable
Programmable range: 0.96V to 1.44V
Programmable Logic (posititve and negative)
Environmental Specifications
Ambient air operating temperature range _{-40°C to +85°C}
Storage temperature
-40°C to +125°C
MTBF
>1 million hours
Rev. 09.29.05
DTX Series
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