Low Voltage Outputs to 1.2 V
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40 A Output High Power Density
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High Efficiency - Up to 89%
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International Safety Approvals
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Low Profile 0.417”
Input
Input Voltage Range • 36-75 VDC
Input Current • 1.0 A - 3.1 A, See Table
Input Reflected Ripple • 100 mA pk-pk
No Load Input Current • 100 mA at 48 VDC in
Remote On/Off • Shorted to -Vin (Logic Low) = ON
Open (Logic high) = OFF
Positive logic is available (see note 3)
Input Reverse Voltage • External components required
Protection
Input Transient • Capable of withstanding 110 V
for 100 mS
Undervoltage lockout • Above 32 to 34 VDC = ON
Below 30 to 32.2 VDC = OFF
Output
Output Voltage • 1.2 VDC to 3.3 VDC
Voltage Adjustment • ±10%
Minimum Load • No minimum load required
Line Regulation • ±10mV or 0.5% whichever is greater
Load Regulation • ±10mV or 0.5% whichever is greater
Setpoint Accuracy • ±50 mV
Ripple & Noise • 100 mV pk-pk maximum
Transient Response • 200mV max deviation, 100 µs recovery
time for a 25% load change
Temperature • 0.01%/°C
Coefficient
Remote Sense • Compensates for up to 10% of
Vout drop
Overvoltage • 120%-130%, recycle input to reset
Protection
Overcurrent • 110-135% auto restart
Protection
Short Circuit • Protected to short circuit conditions,
Protection hiccup mode
Overtemperature • Shutdown at 125°C auto restart
Protection
General
Efficiency • 89% for 3.3 V out, See Table
Isolation • 1500 V DC Input to Output
Size • 2.280” x 1.450” x 0.417”
(without baseplate)
Package Style • Open frame, baseplate option
Weight • 35 g for open frame
MTBF • 2,000,000 hours demonstrated
Environmental
Operating • -40° C to +85 °C ambient
Temperature see derating chart
(with 300 LFM) Full power to 40°C
Storage Temperature • -55°C to +125°C
Humidity • 5-95% RH non-condensing
EMC & Safety
Safety Approvals • UL 60950, IEC 60950,
CSA 60950 per cUL,
CE Marked for LVD
EMI/EMC • FCC level B Part 15 with
external filtering
Warranty • 1 Year
40 Amps
KHQ040 Series
Quarter Brick DC/DC Converters
Specification
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Intelligent Design Quality Product
XPiQ inc.
PH: 508 429.9883
FAX: 800 226.2100
Email: sales@xpiq.com
Holliston, MA 01746 USA
www.XPiQ.com
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