DRQ-12-50-L48 Datasheet, PDF (3/26 Pages) Murata Power Solutions Inc. – 600W Digital Fully Regulated Intermediate DC-DC Bus Converter

DRQ-12/50-L48 Series
600W Digital Fully Regulated
Intermediate DC-DC Bus Converter
FUNCTIONAL SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
Conditions ➀
Minimum
Typical/Nominal
Maximum
Units
Input Voltage, Continuous
0
60
Vdc
Isolation Voltage
Input to output, continuous
2250
Vdc
On/Off Remote Control
Power on, referred to -Vin
0
13.5
Vdc
Output Power
0
612
W
Output Current
Current-limited, no damage, short-circuit
protected
0
50
A
Storage Temperature Range
Vin = Zero (no power)
-55
125
°C
Absolute maximums are stress ratings. Exposure of devices to greater than any of these conditions may adversely affect long-term reliability. Proper operation under conditions other than those
listed in the Performance/Functional Specifications Table is not implied or recommended.
INPUT
Conditions ➀ ➂
Operating voltage range
44
48
60
Vdc
Recommended External Fuse
Fast blow
25
A
Start-up threshold
Rising input voltage
41
42
43
Vdc
Undervoltage shutdown
Falling input voltage
39
40
41
Vdc
Overvoltage Shutdown
64
66
68
Vdc
Overvoltage Recover
62
64
66
Vdc
Internal Filter Type
Pi
Input current
Full Load Conditions
Vin = nominal
13.02
14.02
A
Low Line
Vin = minimum
14.2
14.28
A
Inrush Transient
0.15
0.30
A²-Sec.
Short Circuit Input Current
0.05
0.1
A
No Load Input Current
Iout = minimum, unit = ON
150
200
mA
Shut-Down Input Current (Off, UV, OT)
10
20
mA
Reflected (back) ripple current ➁
Measured at input with specified filter
100
180
mA, p-p
Pre-biased startup
External output voltage < Vset
Monotonic
GENERAL and SAFETY
Efficiency
Vin = 48V, full load
95
96
%
Vin = min., full load
95.5
96
%
Isolation
Isolation Voltage
Input to output, continuous
2250
Vdc
Isolation Voltage
Input to baseplate, continuous
1500
Vdc
Isolation Voltage
Output to baseplate, continuous
1500
Vdc
Insulation Safety Rating
functional
Isolation Resistance
10
MΩ
Isolation Capacitance
1500
pF
Safety
Certified to UL-60950-1, CSA-C22.2 No. 60950-
1, IEC 60950-1, 2nd edition
Yes
Calculated MTBF
Per Telcordia SR332, issue 2, class 3, method 1,
ground fixed, Tambient = +25°C
3.2
Hours x 10⁶
DYNAMIC CHARACTERISTICS
Fix Frequency Control
150
KHz
Vin Startup delay time
Power on to Vout regulated
25
30
mS
Enable startup delay time
Remote ON to Vout regulated
3
5
mS
Rise Time
15
20
mS
Dynamic Load Response
50-75-50% load step, settling time to within 1%
of Vout (Cout=3300μF)
200
250
μSec
Dynamic Load Peak Deviation
same as above
±250
±300
mV
FEATURES and OPTIONS
Remote On/Off Control ➃
“N” suffix:
Negative Logic, ON state
ON = Ground pin or external voltage
-0.1
0.8
V
Negative Logic, OFF state
OFF = Pin open or external voltage
3.5
13.5
V
Control Pin Shutdown Current
Open collector/drain
5
mA
Control Pin On Current
1
mA
“P” suffix:
Positive Logic, ON state
ON = Pin open or external voltage
3.5
13.5
V
Positive Logic, OFF state
OFF = Ground pin or external voltage
0
0.8
V
Control Pin Shutdown Current
Open collector/drain
1
mA
Control Pin On Current
5
mA
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