XPiQ inc KHH07048S5V0BL, KHH07048S5V0BH, KHH07048S5V0AL, KHH07048S3V3BL, KHH07048S3V3BH Datasheet

KHH070.qxd 15/5/03 12:05 pm Page 1

Half Brick DC/DC Converters

70 Amps		XPiQ inc.
KHH070 Series		Intelligent Design Quality Product
•		High Current Up To 70 A Output
		•
		Industry Standard Footprint
		•
		High Efficiency - Up to 90%
		•
		Low Voltage Outputs to 1.2 V
		•
		International Safety Approvals

Specification

Input

Input Voltage Range	•	36-75 VDC
Input Current	•	2.13 A to 5.35 A, See Table
No Load Input Current •		250 mA at no load
Input Reflected	•	100 mA pk-pk
Ripple Current
Remote ON/OFF	•	Shorted to -Vin (Logic Low) = ON
		Open (Logic high) = OFF
		Postive logic is available (see note 3)
Input Reverse Voltage •		External components required
Protection		(See Note 5)
Input Transient	•	Units capable of withstanding 100 V
		for 100 ms
Undervoltage Lockout •		Above 32 to 34.5 V = ON
		below 29.9 to 32.3 V = OFF

Output

Output Voltage • 1.2 VDC to 5.0 VDC

Overcurrent	• 74 to 94 A typical
Protection	(56 to 66 A for 5 V model)
Short Circuit	• Protected to short circuit conditions
Protection
Overtemperature	• Thermal shutdown at 110°C,
Protection	measured on board, auto restart
Current Share	• Optional, add suffix ‘-IS’ to model
	number

General

Efficiency	• 90% for 3.3 V - See Table
Isolation	• 1500 VDC Input to Output
Size	• 2.40” x 2.42” x 0.411”
	(0.50” with baseplate)
Package Style	• Open frame, baseplate option
Weight	• 90g approx for open frame
MTBF	• 2,000,000 hours calculated to Bellcore

Voltage Adjustment	•	±10%
Minimum Load	• No minimum load required
Line Regulation	• ±10 mV or 0.5%, whichever is greater
Load Regulation	• ±10 mV or 0.5%, whichever is greater
Setpoint Accuracy	•	± 50 mV
Ripple & Noise	• 100 mV pk-pk max

Environmental

Operating	•	-40° C to +85 °C ambient - See
Temperature		Derating Curve
(with 400 LFM)		Full power to +50 °C
Storage	•	-55° C to +125 °C
Temperature

Transient Response	•	170 mV deviation,
		100 µs recovery time for a 25% load
		change at 1.0 A/µs slew rate
Temperature	•	0.01%/°C
Coefficient
Remote Sense	• Compensates for up to 10% of
		Vout drop
Overvoltage	• 120-135%, recycle input to reset
Protection

Humidity • 5-95% RH non-condensing

EMC & Safety

Safety Approvals	• UL 60950, IEC 60950,
	CSA 950 per cUL,
	CE Marked for LVD
EMI/EMC	• FCC level B Part 15 with
	external filtering - Contact Technical
	Sales for details

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