VICOR FasTrak Maxi E-Grade DATA SHEET

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4.6 x 2.2 x 0.5 in

117 x 56 x 12,7 mm

45

Absolute Maximum Ratings

Parameter Min Typ Max Unit

Baseplate to sink; flat, greased surface 0.08 °C/Watt
Baseplate to sink; thermal pad (P/N 20263) 0.07 °C/Watt
Baseplate to ambient 4.9 °C/Watt
Baseplate to ambient; 1000 LFM 1.1 °C/Watt
Thermal capacity 165 Watt-sec/°C

Thermal Resistance and Capacity

Data Sheet

FasTrak Maxi E-Grade Family

DC-DC Converter Module

Features

• Input voltages: 24, 48, 300 & 375 V

• DC outputs: 2 V – 48 V

• Programmable output: 10 to 110%

• Regulation: ±0.5% no load to full load

• Efficiency: Up to 90%

• Max operating temp: 100°C, full load

• Power density: Up to 120 W/cubic inch

• Parallelable, with N+M fault tolerance

• Low noise ZCS/ZVS architecture

Product Overview

These DC-DC converter modules use
advanced power processing, control and
packaging technologies to provide the
performance, flexibility, reliability and
cost effectiveness of a mature power
component. High frequency ZCS/ZVS
switching provide high power density
with low noise and high efficiency.

Applications

Off-line systems with autoranging or
PFC frontends, industrial and process
control, distributed power, medical, ATE,
communications, defense, aerospace

Part Numbering

e.g. V300A12E500BL2

For a description of pin options, see page 6.
Baseplate options include slotted flanges,
threaded and through-hole. See page 7 for
dimensions. For other package sizes and
power levels, see the FasTrak Mini (half
size) and FasTrak Micro (quarter size)
datasheets.

Parameter Rating Unit Notes

+In to –In voltage

24 Vin -0.5 to +36 Vdc
48 Vin -0.5 to +75 Vdc
300 Vin -0.5 to +375 Vdc

375 Vin -0.5 to +425 Vdc
PC to –In voltage -0.5 to +7.0 Vdc
PR to –In voltage -0.5 to +7.0 Vdc
SC to –Out voltage -0.5 to +1.5 Vdc
–Sense to –Out voltage 1.0 Vdc
Isolation voltage (in to out) 3000 Vrms
Isolation voltage (in to base) 1550 Vrms
Isolation voltage (out to base) 500 Vrms
Operating temperature -10 to +100 °C
Storage temperature -20 to +125 °C
Pin soldering temperature 500 (260) °F (°C) <5 sec; wave solder
Pin soldering temperature 750 (390) °F (°C) <7 sec; hand solder
Mounting torque 5 (0.57) in-lbs (N-m) 6 each, # 4-40 or M3

VAE B

Input Voltage

24: 18 – 36 Vin

48: 36 – 75 Vin
300: 180 – 375 Vin
375: 250 – 425 Vin

Output Voltage

2: 2.0 V*

3V3: 3.3V

5: 5 V
12: 12 V
15: 15 V
24: 24 V
28: 28 V
48: 48 V
54: 54 V**

Pin Style

Blank: Short

Tin/Lead

L: Long Tin/Lead
S: Short Gold
N: Long Gold

Output Power (Watts)

Input 2 Vout 3.3 Vout 5 Vout >5 Vout

24 V – 264 400 400
48 V – 264 400 500
300 V 160 264 400 500
375 V – 264 400 600

Baseplate

Blank: Slotted
1: Threaded
2: Through-hole

* 300 V input only
** 375 V input only

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Parameter 2V 3.3V 5V 12V 15V 24V 28V 48V 54V Unit Notes

Efficiency (typ.) 73.5 80.0 83.5 85.5 87.0 88.0 89.0 90.0 89.6 % Nominal input; 80% load; 25°C

Ripple and noise, p-p (typ.) 75 60 70 130 90 80 65 50 160 mV

Nominal input; full load;
25°C; 20 MHz BW

Output OVP setpoint (nom.) 2.8 4.3 6.3 14.3 17.8 28.1 32.7 55.7 62.6 Volts

25°C; recycle input voltage to
restart ( 1 minute off )

Dissipation, standby (typ.) 4.8 5.6 6.2 8.0 8.0 6.0 7.4 8.5 6.0 Watts No load; nominal input

Load regulation (max.) 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 ±% Vout No load to full load; nominal input

Current limit (typ.) 125 125 125 125 125 125 125 125 125 % Iout Output voltage 95% of nominal

Short circuit current (typ.) 125 125 125 125 125 125 125 125 125 % Iout Output voltage <250 mV

Parameter Min Typ Max Surge Withstand Unit Notes

Input voltage

24 Vin 18 24 36 50 Vdc <100 ms surge withstand

48 Vin 36 48 75 100 Vdc

300 Vin 180 300 375 400 Vdc

375 Vin 250 375 425 500 Vdc

Output voltage setpoint ±1 % Nominal input; full load; 25°C

Parameter Min Typ Max Unit Notes

Line regulation ±0.5 % Low line to high line; full load

Temperature regulation ±0.005 % / °C Over operating temperature range

Power sharing accuracy ±5 % 10 to 100% of full load

Programming range 10 110 %

Of nominal output voltage. For trimming below
90% of nominal, a minimum load of 10% of
maximum rated power may be required.

Parameter 24 Vin 48 Vin 300 Vin 375 Vin Units Notes

Undervoltage turn-on 17.5 34.9 175 243 Vdc Typical value

Undervoltage turn-off 15.3 30.5 153 212 Vdc Typical value

Overvoltage turn-off/on 37.8 78.8 N/A 446 Vdc Typical value

MODULE OPERATING SPECIFICATIONS

MODULE INPUT SPECIFICATIONS

MODULE OUTPUT SPECIFICATIONS

ELECTRICAL CHARACTERISTICS

Electrical characteristics apply over the full operating range of input voltage, output load (resistive) and baseplate temperature,
unless otherwise specified. All temperatures refer to the operating temperature at the center of the baseplate.

MODULE OUTPUT VOLTAGE RELATED SPECIFICATIONS

Note: For important information relative to applications where the converter modules are subject to continuous dynamic loading,

contact Vicor applications engineering at 800-927-9474.

Note: 300 Vin models do not have overvoltage turn-off.

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Parameter Min Typ Max Unit Notes

PRIMARY SIDE

(PC = Primary Control; PR = Parallel)

PC bias voltage 5.50 5.75 6.00 Vdc PC current = 1.0 mA

current limit 1.5 2.1 3.0 mA PC voltage = 5.5V

PC module disable 2.3 2.6 2.9 Vdc Must be able to sink ≥4 mA. See Fig. 1

PC module enable delay 4 7 ms

PC module alarm 0.5 Vavg UV, OV, OT, module fault. See Figs. 2 and 4

PR emitter amplitude 5.7 5.9 6.1 Volts PR load >30 ohms, < 30 pF

PR emitter current 150 mA

PR receiver impedance 375 500 625 ohms 25°C

PR receiver threshold 2.4 2.5 2.6 Volts Minimum pulse width: 20ns

PR drive capability 12 modules Without PR buffer amplifier

SECONDARY SIDE

(SC = Secondary Control)

SC bandgap voltage 1.21 1.23 1.24 Vdc Referenced to –Sense

SC resistance 990 1000 1010 ohms

SC capacitance 0.033 µF

SC module alarm 0 Vdc With open trim; referenced to –Sense. See Fig. 6

Parameter Min Typ Max Unit Notes

Remote sense (total drop) 0.5 Vdc 0.25V per leg (senses must be closed)
Isolation voltage (in to out) 3000 Vrms Complies with reinforced insulation requirements
Isolation voltage (in to base) 1550 Vrms Complies with basic insulation requirements
Isolation voltage (out to base) 500 Vrms Complies with operational insulation requirements

Isolation resistance (in to out) 10 megohms

Weight 7.3 (210) 8 (227) ounces (grams)

Temperature limiting 100 115 °C See Figs. 2 and 4

Agency approvals cULus, TÜV, CE

UL60950, EN60950, CSA60950, IEC60950.
With a fuse in series with the +Input

MODULE CONTROL SPECIFICATIONS

MODULE GENERAL SPECIFICATIONS

ELECTRICAL CHARACTERISTICS, continued

Note:

Specifications are subject to change without notice.
The latest data sheets for individual models are available on the Vicor website at vicorpower.com.