XPiQ inc KHQ05048S3V3AL, KHQ05048S3V3AH, KHQ05048S2V5BL, KHQ05048S2V5AL, KHQ05048S2V5AH Datasheet
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Low Voltage Outputs to 1.2 V
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50 A Output High Power Density
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High Efficiency - Up to 91%
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International Safety Approvals
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Low Profile 0.43”
Input
Input Voltage Range • 36-75 VDC
Input Current • 1.0 A - 3.4 A, See Table
Input Reflected Ripple • 25 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 100 V
for 100 mS
Undervoltage lockout • Above 32 to 35 VDC = ON
Below 29 to 34 VDC = OFF
Output
Output Voltage • 1.2 VDC to 5.0 VDC
Output Voltage • ±10%
Adjustment
Minimum Load • No minimum load required
Line Regulation • ±5 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 maximum
Transient Response • 150 mV 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%-135%, recycle input to reset
Protection
Overcurrent • 110-150% auto restart
Protection
Short Circuit • Protected to short circuit conditions,
Protection hiccup mode
Overtemperature • Shutdown at +125 °C auto restart
Protection
General
Efficiency • 91% for 3.3 V out, See Table
Isolation • 1500 VDC Input to Output
Size • 2.28” x 1.45” x 0.43”
(without baseplate)
Package Style • Open frame, baseplate option
Weight • 42 g for open frame
MTBF • 1,000,000 hours per Bellcore
Environmental
Operating • -40 °C to +85 °C ambient
Temperature see derating chart
(with 300 LFM) Full power to +60 °C
Storage • -55 °C to +125 °C
Temperature
Humidity • 5-95% RH non-condensing
EMC & Safety
Safety Approvals • UL60950, IEC60950,
CSA 60950 per cUL,
CE Marked for LVD
EMI/EMC • FCC level B Part 15 with
external filtering
50 Amps
KHQ050 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
KHQ050.qxd 6/6/03 4:32 pm Page 1
1. Standard product is open frame with negative logic.
2. Baseplate versions are built to order.
3. Please add one of the following suffix code to the part number when ordering:
AL = Open Frame/Negative logic, AH = Open Frame/Positive logic, BL = Baseplate/Negative logic, BH = Baseplate/Positive logic.
4. For details of external filtering, contact technical sales.
Notes
Output Output Output Current Efficiency Input Model
Power Voltage Maximum Current Number
(3)
60.0 W 1.2 V 50 A 84% 1.44 A KHQ05048S1V2
75.0 W 1.5 V 50 A 85% 1.78 A KHQ05048S1V5
90.0 W 1.8 V 50 A 89% 2.10 A KHQ05048S1V8
112.5 W 2.5 V 45 A 89% 2.63 A KHQ05048S2V5
148.5 W 3.3 V 45 A 91% 3.40 A KHQ05048S3V3
135.0 W 5.0 V 27 A 91% 3.10 A KHQ05048S05
Pin Connections
Pin Functions
1 +Input
2 On/Off
3 -Input
4 Output
5 +Sense
6 Trim
7 -Sense
8 Return
OUTPUT VOLTAGE & CURRENT RATINGS KHQ050
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Mechanical Details
Applications Information
Derating Curve for 1.8 V
Efficiency vs Output Current for 1.8 V
See XPiQ website for detailed specifications and applications notes.
Bottom View
Top View
Dimensions in inches (mm)
PH: 508 429.9883
FAX: 800 226.2100
Email: sales@xpiq.com
Holliston, MA 01746 USA
www.XPiQ.com
KHQ050.qxd 6/6/03 4:33 pm Page 2
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