Datasheet

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DBQ0135V2: 12V/35A FUNCTIONAL SPECIFICATIONS (VOLTAGE APPLIED TO SCL SDA SMBALERT AND ON/OFF 2, MIN: -0.3V MAX: 3.6V)
ABSOLUTE MAXIMUM RATINGS
Conditions ➀
Minimum Typical/Nominal Maximum Units
Input Voltage, Continuous 0 80 Vdc
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 0 428.4 W
Output Current Current-limited, no damage, short-circuit protected 0 35 A
SCL / SDA / SMBALERT / ON/OFF 2 -0.3 3.6 Vdc
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 or recommended.
INPUT
Operating voltage range (V2) 36 48 75 Vdc
Start-up threshold (Default, confi gurable via PMBus) 33 34 35 Vdc
Undervoltage shutdown (Default, confi gurable via PMBus) 31 32 34 Vdc
Internal Filter Type Pi
External Input fuse 20 A
Input current
Full Load Conditions Vin = nominal 9.19 9.44 A
Low Line input current Vin = minimum 12.25 12.59 A
Inrush Transient Vin = 48V. 1.3 2.6 A
2
-Sec.
Short Circuit input current 0.05 0.1 A
No Load input current Iout = minimum, unit=ON 75 112 mA
Shut-Down input currrent(Off, UV, OT) 20 30 mA
Back Ripple Current 20 40 mAp-p
GENERAL and SAFETY
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 1500 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 175 KHz
Turn On Time (Default, Confi gurable via PMBus)
Vin On to Vout Regulated 60 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% 20 mS
Dynamic Load Response 50-75-50%, 0.1A/us,within 1% of Vout 200 300 µSec
Dynamic Load Peak Deviation same as above ±300 ±500 mV
DBQ/DVQ Series
420W Digital Fully Regulated Intermediate
DC-DC Bus Converter
MDC_DBQ Series.B02Δ Page 12 of 31