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LES25B48-1V0RSJ 데이터시트 PDF




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기능 DC-DC / Industry Standard Isolated Eighth Brick
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LES25B48-1V0RSJ 데이터시트, 핀배열, 회로
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)
At turn-on and turn-off
At turn-on and turn-off
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
*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
90% to 110%
0A
None
None
5% Vout typ. deviation
40 µs recovery
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.)




LES25B48-1V0RSJ pdf, 반도체, 판매, 대치품
Embedded Power for
Business-Critical Continuity
ANICAL DETAILS AND DIMENSION OPTIONS FOR PTH PIN (LES B SERIES)
Through-hole Mechanical Drawing (for 2.5, 3.3, 6 and 12 V)
2.30 [58.4]
1
2
0.30 [7.62]
3
Height
(see table)
0.19 [4.8]
2.00 [50.80]
0.040 ± 0.004
[1.02 ± 0.10]
(6 pls)
2.30 [58.4]
0.30 [7.62]
8
7 0.90 [22.9]
6
0.15 [3.8]
5
4
Clearance
(see table)
0.062 ± 0.004
[1.57 ± 0.10]
(2 pls)
0.080 ± 0.0043
[ 2.03 ± 0.10]
(2 pls)
0.90 [22.9]
0.15 [3.81]
0.15 [3.8]
2.00 [50.80]
0.058 ± 0.004
[ 1.50 ± 0.10]
NICAL DETAILS ANDREDCOIMMMEENNDESDIOHONLE POATPTETRNIONS FOR SMT(6 pls) PIN (LES SERIES)
Surface-mount Mechanical Drawing (for 2.5, 3.3, 6 and 12 V)
2.30 [58.4]
Americas
5810 Van Allen Way
Rev. 11.25.08_138
Eighth-Brick B Series
4 of 4
Carlsbad, CA 92008
USA
Telephone: +1 760 930 4600
Facsimile: +1 760 930 0698
Europe (UK)
Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX
United Kingdom
Telephone: +44 (0) 1384 842 211
Facsimile: +44 (0) 1384 843 355
Asia (HK)
14/F, Lu Plaza
2 Wing Yip Street
Kwun Tong, Kowloon
Hong Kong
Telephone: +852 2176 3333
Facsimile: +852 2176 3888
For global contact, visit:
www.powerconversion.com
techsupport.embeddedpower@ 
emerson.com
While every precaution has been taken to ensure
accuracy and completeness in this literature, Emerson
Network Power assumes no responsibility, and disclaims
all liability for damages resulting from use of this
information or for any errors or omissions.
1
0.30 [7.62]2
3
0.33 ± 0.025
[8.4 ± 0.64]
0.30 [7.62]
2.00 [50.80]
2.30 [58.4]
8
67
0.90 [22.9]
0.15 [3.8]
5
4
0.014 [0.35] Min
Lead coplanarity within 0.006 [0.15]
0.062 ± 0.004
[1.57 ± 0.10]
(8 pls) 0.102 ± 0.004
[ 2.60 ± 0.10]
(8 pls)
0.90 [22.9]
0.15 [3.81]
0.15 [3.8]
2.00 [50.80]
RECOMMENDED HOLE PATTERN
Emerson Network Power.
The global leader in enabling
business-critical continuity.
AC Power
Connectivity
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Embedded Computing
Embedded Power
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Outside Plant
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Services
Surge Protection
EmersonNetworkPower.com
Emerson Network Power and the Emerson
Network Power logo are trademarks and
service marks of Emerson Electric Co.
©2008 Emerson Electric Co.

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LES25B48-1V0RSJ

DC-DC / Industry Standard Isolated Eighth Brick

Emerson
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