Datasheet

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PRELIMINARY
ABSOLUTE MAXIMUM RATINGS
Conditions ➀
Minimum Typical/Nominal Maximum Units
Input Voltage, Continuous  080Vdc
Input Voltage, Transient 100 mS max. duration   100 Vdc
Isolation Voltage Input to output   2250 Vdc
On/Off Remote Control Power on, referred to -Vin 0  13.5 Vdc
Output Power  0  200 W
Output Current Current-limited, no damage, short-circuit protected 0  60 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 Specifi cations Table is not implied nor recommended.
INPUT
Operating voltage range (V2)  364875Vdc
Start-up threshold (Default, confi gurable via PMBus) 33 34 35 Vdc
Undervoltage shutdown (Default, confi gurable via PMBus) 31 32 34 Vdc
Overvoltage shutdown (Default, confi gurable via PMBus) NA NA NA Vdc
Overvoltage Recover (Default, confi gurable via PMBus) NA NA NA Vdc
Internal Filter Type Pi
External Input fuse 20A
Input current
Full Load Conditions Vin = nominal  4.43 4.48 A
Low Line input current Vin = minimum  5.79 5.97 A
Inrush Transient Vin = 48V.  TBD TBD A
2
-Sec.
Short Circuit input current   0.05 0.1 A
No Load input current Iout = minimum, unit=ON  50 100 mA
Shut-Down input currrent(Off, UV, OT)   TBD TBD mA
Back Ripple Current   TBD TBD mAp-p
GENERAL and SAFETY
Effi ciency Vin=48V, full load (V2) 92 93.2  %
Isolation Voltage
Input to output   2250 Vdc
Input to Baseplate   1500 Vdc
Output to Baseplate   1500 Vdc
Insulation Safety Rating   functional  
Isolation Resistance   10  M
Isolation Capacitance   1000  pF
Safety
Certifi ed to UL-60950-1, CSA-C22.2 No.60950-1, IEC/
EN60950-1, 2nd edition
Yes
Calculated MTBF
Per Telcordia SR-332, Issue 2, Method 1, Class 1, Ground Fixed,
Tcase=+25°C
 1800  Hours x 10
3
DYNAMIC CHARACTERISTICS
Switching Frequency (Confi gurable via PMBus)
Fixed Frequency Control

150

KHz
Variable Frequency Control (Default)

NA

KHz
Turn On Time (Default, Confi gurable via PMBus)
Vin On to Vout Regulated

45 mS
Remote On to Vout Regulated

25 mS
Vout Rise Time (Default, Confi gurable via PMBus)
From 0%~100%

20

mS
Vout Fall Time of Regulated Off (Default, Confi gurable via PMBus)
From 100%~0%

13

mS
Dynamic Load Response 50-75-50%, 1A/us,within 1% of Vout

TBD TBD µSec
Dynamic Load Peak Deviation same as above

TBD TBD mV
DBQ0360V2: 3.3V/60A FUNCTIONAL SPECIFICATIONS (VOLTAGE APPLIED TO SCL SDA SMBALERT AND ON/OFF 2, MIN: -0.3V MAX: 3.6V)
DBQ/DVQ Series
420W Digital Fully Regulated Intermediate
DC-DC Bus Converter
MDC_DBQ Series.B02Δ Page 3 of 31