4389U04

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The A Series is a new line of ultra-miniature, DC to HV DC converters that

set an industry standard in high voltage miniaturization. This unique pack-

an extremely low profile of only 0.250 inches (6.35mm)! Controllable out-

put voltages range from 100 volts to 6000 volts. These component-sized

converters are ideal for applications requiring minimal size and weight.

Turn-on voltage is very low at less than 0.7 volts, allowing for wide output

voltage operating range. Use of a resonant, quasi-sinewave oscillator and

fully shielded transformer result in clean, reliable high voltage conversion

with inherently low ripple, EMI/RFI and input ripple current, making this

product ideal for integration into noise sensitive equipment.

A separate high impedance control pin is standard and is designed for

external error amplifier and/or DAC control in closed or open loop systems.

Or simply connect the control pin to the + input for proportional input to

output operation (see schematic and performance charts below).

Output power is 1 watt standard, with 1.5 watts available as an option. No

minimum load is required. A proprietary vacuum encapsulation process and

custom 94V-0 listed, high performance formula are used to achieve excellent

high voltage and thermal properties. Isolation is +/- 500V bias on the output

return. Input to output leakage current is very low at less than 100 nA and

coupling capacitance is also low at <250 pF.

The new A Series leverages XP EMCO’s Best-in-Class long term reli-

ability, utilizing proven DC to high voltage DC conversion technology,

perfected by over four decades of high voltage design experience in the

most demanding applications. Our extensive in-house capabilities enable

us to meet specific customer requirements with standard, modified and

custom solutions quickly, easily, and economically. Technical assistance is

readily available.

PARAMETER

VALUE

INPUT VOLTAGE

0 TO 5, 12, OR 24V (FOR MODELS UP TO 3KV)

0 TO 5V (FOR MODELS OVER 3KV)

TURN-ON VOLTAGE

<0.7 VDC

ISOLATION

< +/- 500V BIAS ON PIN 4

OUTPUT VOLTAGE TOLERANCE

+10%, -10% FULL LOAD, MAX. INPUT VOLTAGE

INPUT/OUTPUT COUPLING CAPACITANCE

<250 pf TYPICAL

INPUT/OUTPUT LEAKAGE CURRENT

<100 nA TYPICAL

CONTROL PIN

0 to MAX. INPUT VOLTAGE

INTERNAL OSCILLATOR FREQUENCY

50kHz - 350kHz

STANDARD TEMPERATURE RANGES

STORAGE: -55° TO +105°C

EXTENDED TEMPERATURE RANGES (-T OPTION)

STORAGE: -55° TO +105°C

DETAILED PRODUCT DESCRIPTION

A SERIES