Datasheet

PAE Series
Up to 100W 29.8V Nom Output Eighth-Brick Isolated
DC-DC Converter with 2:1 Wide Input Range
MDC_PAE Series.A01 Page 3 of 17
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FUNCTIONAL SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
Conditions ➀ /Comments
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, continuous 1500 Vdc
On/Off Remote Control Power on, referred to -Vin 0 13.5 Vdc
Output Power 0 99.32 W
Output Current
Current-limited, no damage, short-circuit
protected
0 3.3 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 or recommended.
INPUT
Conditions ➀ ➂
Operating voltage range 36 48 75 Vdc
Recommended External Fuse Fast blow 6 A
Start-up threshold Rising input voltage 33 34 35 Vdc
Undervoltage shutdown Falling input voltage 30 31.5 33 Vdc
Internal Filter Type LC
Input current
Full Load Conditions Vin = nominal 2.21 2.27 A
Low Line Vin = minimum 2.97 3.07 A
Inrush Transient 0.09 0.155 A
2
-Sec.
Output in Short Circuit 0.1 0.2 A
No Load Current Iout = minimum, unit = ON 12 25 mA
Shut-Down Input Current (Off, UV, OT) 2.2 4 mA
Refl ected (back) ripple current ➁
Measured at input with specifi ed fi lter 10 25 mA, p-p
Pre-biased startup External output voltage < Vset Monotonic
GENERAL and SAFETY
Effi ciency Vin = 48V, full load 91 92.5 %
Vin = min. 90 92 %
Isolation
Isolation Voltage
Input to output (with and w/o baseplate),
continuous
1500 Vdc
Input to baseplate 750 Vdc
Output to baseplate 750 Vdc
Isolation Resistance 100 M
Isolation Capacitance 14,000 pF
Safety (certifi ed to the following
requirements)
Certifi ed to UL-60950-1, CSA-C22.2 No. 60950-
1, 2nd edition with Am1
Yes
Calculated MTBF
Per Telcordia SR332, issue 1, class 3, ground
fi xed, Tambient = +25°C
TBD Hours x 10
6
DYNAMIC CHARACTERISTICS
Fixed Switching Frequency 225 250 275 KHz
Startup Time Power on to Vout regulated 50 75 mS
Startup Time Remote on to Vout regulated 130 150 mS
Dynamic Load Response
50-75-50% load step, settling time to within
3% of Vout
75 150 µSec
Dynamic Load Peak Deviation same as above ±275 ±375 mV
FEATURES and OPTIONS
Remote On/Off Control ➃
“N” suffi x:
Negative Logic, ON state ON = Ground pin or external voltage 0 1 Vdc
Negative Logic, OFF state OFF = Pin open or external voltage 3.5 13.5 Vdc
Control Current Open collector/drain 1 mA
“P” suffi x:
Positive Logic, ON state ON = Pin open or external voltage 3.5 13.5 Vdc
Positive Logic, OFF state OFF = Ground pin or external voltage 0 1 Vdc
Control Current Open collector/drain 1 mA