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LES25B48-1V8RAJ

Description
Isolated DC/DC Converters 45W 36-75Vin Single 1.8V 25A 1/8 Brick
Categorysemiconductor    Power management   
File Size650KB,4 Pages
ManufacturerArtesyn
Websitehttp://www.artesyn.com
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LES25B48-1V8RAJ Overview

Isolated DC/DC Converters 45W 36-75Vin Single 1.8V 25A 1/8 Brick

LES25B48-1V8RAJ Parametric

Parameter NameAttribute value
Product CategoryIsolated DC/DC Converters
ManufacturerArtesyn
RoHSDetails
Number of Outputs1 Output
Output Power45 W
Input Voltage36 V to 75 V
Output Voltage-Channel 11.8 V
Output Current-Channel 125 A
Isolation Voltage2.25 kV
Mounting StyleThrough Hole
Length2.3 in
Width0.9 in
Height0.37 in
ProductIsolated
Factory Pack Quantity64
Embedded Power for
Business-Critical Continuity
Eighth-Brick 
B Series
Total Power: 
Up to 80 Watts
Input Voltage: 
36-75 Vdc
No. of Outputs: 
Single
Rev. 11.25.08_138
Eighth-Brick B Series
1 of 4
Special Features
• High efficiency topology
• Industry standard eighth-brick foot
print (identical to quarter-brick
pinout)
• Low profile through-hole and
surface mount version
• 38% space savings over quarter-
brick converters
• Wide ambient temperature
range, -40 ºC
to +85
ºC
• 90% to 110% output trim
• 100 V, 100 ms input voltage
transient rated
• Meets basic insulation
requirements of EN60950-1
• Industry standard feature sets:
UVLO, OVP, OCP, OTP, O/P trim,
remote sense
• Regulation to zero load
• Fixed frequency switching
• Fast transient switching
• EU directive 2002/95/EC
compliant for RoHS
Electrical Specifications
*
Output
Voltage adjustability:
Minimum load:
Overshoot:
Undershoot:
Transient Response:
(See Note 1)
Input
Input voltage range:
Input current:
Active high remote ON/OFF
Logic compatibility:
ON
OFF
Undervoltage Lockout:
Start-up time:
(See Note 2)
48 V nominal
No load
Remote OFF
Power up
Power up
Power up
Remote ON/OFF
36-75 Vdc
100 mA
10 mA
TTL compatible ref to -input
>2.4 Vdc
<0.8 Vdc
35.5 V (typ.)
35.5 V (typ.)
25 ms (typ.)
5 ms (typ.)
At turn-on and turn-off
At turn-on and turn-off
90% to 110%
0 A
None
None
5% Vout typ. deviation
40 µs recovery
*All specifications are typical at nominal input,
full load at 25 °C ambient unless otherwise stated.
Safety
• UL/cUL60950-1 CAN/CSA 22.2
• TUV EN/IEC60950-1
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