XPiQ inc KHE03048S05AL, KHE03048S05AH, KHE03048S3V3AH, KHE03048S2V5AL, KHE03048S2V5AH Datasheet

PRELIMINARY

Q3 2003

Low Voltage Outputs

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38% Less Board Space than 1/4 Brick

with the same Pinout

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High Efficiency 89% for 3.3 V

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International Safety Approvals

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Fixed Switching Frequency

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Low 0.417” Profile

Input

Input Voltage Range • 36-75 VDC
Input Current • 2.40 A max at 36 VDC

1.20 A max at 75 VDC

Input Reflected • 25 mA
Ripple Current

Remote On/Off • Shorted to -Vin (Logic Low) = ON

Open (Logic High) = OFF
Positive logic is available

Input Reverse • External components required
Voltage Protection

Output

Output Voltage • 1.2 VDC to 5.0 VDC
Output Voltage • ±10%

Adjustment
Minimum Load • 0 minimum load required
Line Regulation • 0.1% (36-75 VDC; full load)
Load Regulation • 0.2% (no load to full load, 48 V input)
Setpoint Accuracy • ±1% maximum
Ripple & Noise • 70 mV pk-pk maximum
Transient Response • 3% max deviation, 100 µs recovery

time for a 25% load change

Temperature • 0.01%/°C
Coefficient

Remote Sense • Compensates for up to 10% Vout drop
Overvoltage • 120-135%, recycle input to reset

Protection
Overcurrent • 115-150%, constant current with

Protection auto recovery
Overtemperature • Shutdown at +125 °C with auto restart

Protection

General

Efficiency • 89% for 3.3 Vout, See Chart
Isolation Voltage • 1500 VDC Input to Output
Switching Frequency • 260 kHz/±30 kHz
Package Style • Open frame
MTBF • 1,000,000 hours per Bellcore
Size • 0.896” x 0.417” x 2.30”

Weight • 15 grams

Environmental

Operating • -40 °C to +85 °C ambient
Temperature see derating chart

with 300 LFM Full power to +70 °C
Cooling • Convection or forced air
Humidity • 5-95% RH non-condensing
Storage Temperature • -55 °C to 125 °C

Safety

Safety Approvals • UL60950, TUV (per EN60950) cUL

CE marked

EMI/EMC • Bellcore TSYNWT 1089 with

external filter

30 Amps

KHE030 Series

Eighth Brick DC/DC Converters

Specification

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Intelligent Design Quality Product

XPiQ inc.

* Preliminary datasheet - see website for current specs

PH: 508 429.9883

FAX: [phone]

Email: [e-mail]

Holliston, MA 01746 USA

www.XPiQ.com

KHE030.qxd 6/6/03 4:30 pm Page 1

Mechanical Details

Derating Curves

Output Output Output Current Efficiency Model

Power Voltage Maximum Number

(1)

36.0 W 1.2 V 30 A 82% KHE03048S1V2

45.0 W 1.5 V 30 A 83% KHE03048S1V5

54.0 W 1.8 V 30 A 86% KHE03048S1V8

62.5 W 2.5 V 25 A 87% KHE03048S2V5

66.0 W 3.3 V 20 A 89% KHE03048S3V3

75.0 W 5.0 V 15 A 89% KHE03048S05

OUTPUT VOLTAGE & CURRENT RATINGS KHE030

Pin Functions

1 +Input
2 On/Off
3 -Input
4 -Output
5 -Sense
6 Trim
7 +Sense
8 +Output

1. Please add one of the following suffix codes to the model when ordering: ‘AL’ for negative logic, ‘AH’ for positive logic.
Standard product is open frame with negative logic suffix ‘AL’.

Notes

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* Preliminary datasheet - see website for current specs

Derating Curve for KHE03048S1V8 (1.8 V output)

Efficiency Curve for KHE03048S1V8 (1.8 V Output)

Derating Curve for KHE03048S3V3 (3.3 V output)

PH: 508 429.9883

FAX: [phone]

Email: [e-mail]

Holliston, MA 01746 USA

www.XPiQ.com

KHE030.qxd 6/6/03 4:30 pm Page 2