XPiQ inc KHQ04048S1V2BL, KHQ04048S1V2BH, KHQ04048S1V2AL, KHQ04048S1V2AH, KHQ04048S2V5AH Datasheet

KHQ040.qxd 6/6/03 4:32 pm Page 1

Quarter Brick DC/DC Converters

40 Amps		XPiQ inc.
KHQ040 Series		Intelligent Design Quality Product
•		Low Voltage Outputs to 1.2 V
		•
		40 A Output High Power Density
		•
		High Efficiency - Up to 89%
		•
		International Safety Approvals
		•
		Low Profile 0.417”

Specification

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

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

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

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

•				PH: 508	429.9883	•
				FAX: 800	226.2100
	www.XPiQ.com			Email: [e-mail]
				Holliston, MA 01746 USA