LES25B48-1V5REJ Emerson Network Power, LES25B48-1V5REJ Datasheet

37.5W, 36-75Vin, Single, 1.5V@25A, 1/8 Brick, 89.5% Eff, Neg, 5mm TH, 0.37" Mod Ht, RoHS 6

LES25B48-1V5REJ

Manufacturer Part Number
LES25B48-1V5REJ
Description
37.5W, 36-75Vin, Single, 1.5V@25A, 1/8 Brick, 89.5% Eff, Neg, 5mm TH, 0.37" Mod Ht, RoHS 6
Manufacturer
Emerson Network Power
Datasheet

Specifications of LES25B48-1V5REJ

Output Power
38 W
Input Voltage Range
36 V to 75 V
Input Voltage (nominal)
48 V
Number Of Outputs
1
Output Voltage (channel 1)
1.5 V
Output Current (channel 1)
25 A
Package / Case Size
Eighth Brick
Output Voltage
1.5 V
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Special Features
• High efficiency topology
• Industry standard eighth-brick foot
print (identical to quarter-brick
• Low profile through-hole and
• 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
• Meets basic insulation
requirements of EN60950-1
• Industry standard feature sets:
UVLO, OVP, OCP, OTP, O/P trim,
• Regulation to zero load
• Fixed frequency switching
• Fast transient switching
• EU directive 2002/95/EC
compliant for RoHS
Safety
• UL/cUL60950-1 CAN/CSA 22.2
• TUV EN/IEC60950-1
Eighth-Brick 
B Series
Total Power: 
Input Voltage:  36-75 Vdc
No. of Outputs:  Single
pinout)
surface mount version
transient rated
remote sense
Up to 80 Watts
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)
*All specifications are typical at nominal input,
full load at 25 °C ambient unless otherwise stated.
At turn-on and turn-off
At turn-on and turn-off
48 V nominal
No load
Remote OFF
Power up
Power up
Power up
Remote ON/OFF
*
Embedded Power for
Business-Critical Continuity
TTL compatible ref to -input
5% Vout typ. deviation
40 µs recovery
90% to 110%
35.5 V (typ.)
35.5 V (typ.)
25 ms (typ.)
5 ms (typ.)
Eighth-Brick B Series
36-75 Vdc
>2.4 Vdc
<0.8 Vdc
Rev. 11.25.08_138
100 mA
10 mA
None
None
0 A
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LES25B48-1V5REJ Summary of contents

Page 1

Eighth-Brick  B Series Total Power:  Watts Input Voltage:  36-75 Vdc No. of Outputs:  Single   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 ...

Page 2

... LES20B48-3V3REJ ±0.1% ±0.2% 30 mVp-p LES22B48-2V5REJ ±0.1% ±0.2% 30 mVp-p LES25B48-1V8REJ ±0.1% ±0.2% 25 mVp-p LES25B48-1V5REJ ±0.1% ±0.2% 25 mVp-p LES25B48-1V2REJ ±0.1% ±0.2% 20 mVp-p LES25B48-1V0REJ Nominal Rated Type of Input Voltage Output ON/OFF LOGIC                   48                 - ...

Page 3

Through-hole Mechanical Drawing (for 1.8, 1.5, 1.2 and 1.0 V) 2.30 [58. 0.30 [7.62] 3 2.00 [50.80] Height (see table) 0.19 [4.8] 0.040 ± 0.004 [1.02 ± 0.10] (6 pls) 2.30 [58.4] 0.30 [7.62] 2.00 [50.80] 0.15 [3.8] RECOMMENDED HOLE PATTERN Surface-mount Mechanical Drawing (for 1.8, 1.5, 1.2 and 1.0 V) 2.30 [58. 0.30 ...

Page 4

Through-hole Mechanical Drawing (for 2.5, 3.3, 6 and 12 V) 2.30 [58. 0.30 [7.62] 3 2.00 [50.80] Height (see table) 0.19 [4.8] 0.040 ± 0.004 [1.02 ± 0.10] (6 pls) 2.30 [58.4] 0.30 [7.62] 0.15 [3.8] 2.00 [50.80] RECOMMENDED HOLE PATTERN Surface-mount Mechanical Drawing (for 2.5, 3.3, 6 and 12 V) 2.30 [58. 0.30 ...

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