XPiQ inc KHQ04048S1V2BL, KHQ04048S1V2BH, KHQ04048S1V2AL, KHQ04048S1V2AH, KHQ04048S2V5AH Datasheet
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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
KHQ040.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)
48 W 1.2 V 40 A 81% 1.00 A KHQ04048S1V2
60 W 1.5 V 40 A 83% 1.50 A KHQ04048S1V5
72 W 1.8 V 40 A 85% 1.76 A KHQ04048S1V8
100 W 2.5 V 40 A 87% 2.40 A KHQ04048S2V5
132 W 3.3 V 40 A 89% 3.10 A KHQ04048S3V3
All Dimensions in Inches (mm)
Tolerance .XX = ±.02in. (.50mm)
.XXX = ±.010in. (254mm)
Pin Connections
Pin Functions
1 +Input
2 On/Off
3 -Input
4 -Output
5 -Sense
6 Trim
7 +Sense
8 +Output
OUTPUT VOLTAGE & CURRENT RATINGS KHQ040
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Mechanical Details
Applications Information
Efficiency vs Output Current for 3.3 V
Derating Curve for 3.3 V (No Baseplate)
Transient Response for 3.3 V (typical at 48 Vin)
Load Step 50% to 75% at 1.0 A/µs & 1kHz
Output Ripple & Noise for 3.3 V at full load
PH: 508 429.9883
FAX: 800 226.2100
Email: sales@xpiq.com
Holliston, MA 01746 USA
www.XPiQ.com
KHQ040.qxd 6/6/03 4:32 pm Page 2
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