ALH25 datasheet(1/2 Pages) ASTEC

Part #	ALH25

Description	100W Output loadsharing

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Manufacturer	ASTEC [Astec America, Inc]

Direct Link	http://www.astecinc.com/

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Special Features

Electrical Specs

100 Watts

ALH25-Dual

• 100W Output loadsharing

• 48VDC Input

• Open Frame 2.3” x 2.4” x 0.50” pkg.

• -40 to 120°C board temperature

• Trim feature, both rails

• Industry standard pin-out

• Enable (on/off) (pos or neg logic)

• OC, OV, OT protection

• 5.0V/3.3V dual outputs

Operating PCB temperature range:

-40°C to +120°C

Storage temperature: -55°C to +125°C

Weight 80 grams

UL

UL 1950 Pending

CAN22.2-950 Pending

TUV

EN60950 Pending

Input

Input range

36 to 75 VDC (48Vdc Nom.)

Efficiency

88% typical

Input reverse

Voltage protection

Fuse recommended 3A.MB

Input surge voltage

100V for 100mS

Output

Voltage tolerance

± 1%

Line regulation

±0.2%

Load regulation

±0.5%

Ripple/noise

200mV P-P

Temperature coefficient

+0.02%/°C (max)

Transient response

3% Vo max recovery <500msec

(50% to 75% step load change)

Switching frequency

250 kHz typical

Control

Enable

on =1.2Vdc Max (Neg Enable)

off = 3Vdc Min (Neg Enable)

Ref. to -Vin. TTL compatible

Input current (enable off)

<2ma.

Output trim

Both outputs ±10% minimum

Isolation

I/O isolation

1500 VDC

Environmental

Total Power:

100 Watts

Input Voltages:

48V

No. of Outputs:

Dual

Safety

America’s (USA): 1-888-41-ASTEC

Europe (UK): 44 (1384) 842-211

Asia (HK): 852-2437-9662

42

W9959_02_DCDC_001-073_73

2/8/02

3:38 PM

Page 42

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