Manufacturers
ASTEC AEH20A48
Description
Astec AEH20A48 DC/DC Converter, 36-72V, 5.0V @ 20A
Part Number
AEH20A48
Price
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Manufacturer
ASTEC
Lead Time
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Category
DC/DC Converter
Specifications
Efficiency
89%@5V
Enable
TTL compatible (positive & negative enable options)
Input range
36-75 VDC
Input Surge
100V / 100ms
Line Regulation
0.5% max
Load Regulation
0.2% max
MTBF
>2 million hours
Operating case temperature range
-40°C to +100°C
Output Voltage Adjust Range
±10% of nominal output
Ripple and Noise
150mV max
Storage Temperature
-55°C to +125°C
Transient Response
1% max deviation with 50% to 75% full load 100 µS (max) recovery
Voltage Adjust
90 to 110%
Features
- Fixed frequency switching (330 kHz)
- Industry standard pin-out & performance 100°C baseplate temperature (no derating)
- Low output ripple and noise
- Positive and negative enable function
- Regulation to zero load
- Remote sense compensation
Datasheet
Extracted Text
W9959_02_DCDC_001-073_73 2/8/02 3:32 PM Page 36 Total Power: 50-150 Watts Input Voltages: 24V,48V 50-150 Watts No. of Outputs: Single AEH10-30 Electrical Specs Input Input range 36-75 VDC Input Surge 100V / 100ms Efficiency 89%@5V Output Load regulation 0.2% max Line regulation 0.5% max Ripple and noise 150mV max Output voltage adjust range ±10% of nominal output Transient Response 1% max deviation with Special Features 50% to 75% full load 100 µS (max) recovery • Industry standard pin-out & performance 100°C baseplate Control temperature (no derating) Voltage Adjust 90 to 110% • Positive and negative enable function Enable TTL compatible • Low output ripple and noise (positive & negative enable options) • Remote sense compensation • Regulation to zero load • Fixed frequency switching (330 kHz) Environmental Operating case temperature range: -40°C to +100°C Storage temperature: -55°C to +125°C MTBF: >2 million hours Safety UL UL1950 CSA CSA22.2-950 TUV EN60950 36 America’s (USA): 1-888-41-ASTEC Europe (UK): 44 (1384) 842-211 Asia (HK): 852-2437-9662 Astec Industry Standard AEH10-30 W9959_02_DCDC_001-073_73 2/8/02 3:32 PM Page 37 EUROPE ASIA AMERICAS Astec House, Waterfront Business Park Units 2111-2116, Level 21 5810 Van Allen Way Merry Hill, Dudley Tower1, Metroplaza Carlsbad, CA 92008 West Midlands, DY5 1LX, UK 223, Hing Fong Road Telephone: 760-930-4600 Telephone: 44 (1384) 842-211 Fwai Fong, New Territories Facsimile: 760-930-0698 Facsimile: 44 (1384) 843-355 Hong Kong Telephone: 852-2437-9662 Facsimile: 852-2402-4426 Ordering Information Input Output Efficiency Model Number Voltage Voltage 18-36V 2.5V @ 10A 86% AEH10G24 18-36V 3.3V @ 10A 87% AEH10F24 18-36V 5.0V @ 10A 88% AEH10A24 18-36V 2.5V @ 20A 85% AEH20G24 18-36V 3.3V @ 20A 87% AEH20F24 18-36V 5.0V @ 20A 88% AEH20A24 36-72V 2.5V @ 10A 86% AEH10G48 36-72V 3.3V @ 10A 87% AEH10F48 36-72V 5.0V @ 10A 89% AEH10A48 36-72V 2.5V @ 15A 85% AEH15G48 36-72V 3.3V @ 15A 87% AEH15F48 36-72V 5.0V @ 15A 89% AEH15A48 36-72V 2.5V @ 20A 87% AEH20G48 36-72V 3.3V @ 20A 89% AEH20F48 36-72V 5.0V @ 20A 90% AEH20A48 36-72V 1.8V @ 30A 82% AEH30Y48 36-72V 2.5V @ 30A 85% AEH30G48 36-72V 3.3V @ 30A 87% AEH30F48 36-72V 5.0V @ 30A 89% AEH30A48 NOTES: Enable Function "N" = negative logic enable (without "N" = positive enable) .50 ] [12.7 Pin Assignments .20 MIN. NOTE Single Output [5.0] 1 2.30 1. -Vin [58.4] 2. Case 1.900 3. Enable (on/off) [48.26] 4. +Vin 5. -5V Rtn 6. - Sense 7. Trim 1 5 8. + Sense 9. +5V Out 2 6 Notes: 2.40 2.000 1.400 .600 7 1. 20 mHz bandwidth. An external 2.2 mf ceramic [61.0] [50.80] [35.56] [15.24] capacitor is recommended to be placed from +V out to 3 8 -V out. 2. Requires a 2.2 mf, 100V film capacitor connected between +V in and -V in to meet FCC class A and 4 9 ETS300-386-1 requirements for conducted noise. Consult Factory for filtering information to meet FCC class B, VDE or EIC specifications. 3. All specifications are typical at nominal line, full load, and 25°C unless otherwise noted. BOTTOM VIEW 4. All specifications subject to change without notice. Mounting Inserts Mechanical drawings are for reference only. M3 X .5 (4 places) 5. Please refer to the Technical Reference Notes for more information. 6. Warranty: 1 yr www.astec.com 37
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