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LES20A24-1V8J PDF预览

LES20A24-1V8J

更新时间： 2024-11-21 05:41:47
品牌 Logo 应用领域
艾默生 - EMERSON-NETWORKPOWER 转换器
页数 文件大小 规格书
3页 112K
描述
DC/DC CONVERTERS

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LES20A24-1V8J 数据手册

 浏览型号LES20A24-1V8J的Datasheet PDF文件第2页浏览型号LES20A24-1V8J的Datasheet PDF文件第3页 
Eighth-Brick Series  
S i n g l e o u t p u t  
DC/DC CONVERTERS  
High Current, High Efficiency, Low Profile  
1
NEW Product  
• Ultra-high efficiency topology  
•
Industry standard eighth brick footprint (identical to quarter-brick pinout)  
• Low profile through-hole version  
•
Low profile with 38% space savings over other quarter-brick brick converters  
• Wide ambient temperature range, -40 ºC to +85 ºC  
• 80% to 110% output trim  
• Monotonic start-up in normal and prebiased loads  
• Basic insulation system  
• Overvoltage and overtemperature protection  
• Secondary side control, no optocouplers,  
fast transient response  
• 100 V, 100 ms input voltage transient rated  
• Available RoHS compliant  
This is a new high efficiency, open-frame, low profile, single board, isolated dc-dc  
converter series in an industry standard eight-brick footprint that provides up to 100 W of  
output power. The series delivers very high output current at low voltages, and excellent  
useable power for today’s high performance applications. The series features an input  
voltage range of 18 Vdc to 36 Vdc and 36 Vdc to 75 Vdc and is available with output voltages of  
1.2 V, 1.5 V 1.8 V, 2.5 V, 3.3 V and 5.0 V. The output voltage is adjustable from 80% to 110% of  
the nominal value. The series also has a remote ON/OFF capability. Overcurrent, overvoltage and  
overtemperature protection features are included as standard. Full international safety approval  
including EN60950-1 VDE and UL/cUL60950, reduces compliance costs and time to market.  
Patent No. 6,765,810  
Other Patents Pending  
2 YEAR WARRANTY  
All specifications are typical at nominal input, full load at 25 °C ambient unless otherwise stated  
SPECIFICATIONS  
OUTPUT SPECIFICATIONS  
Voltage adjustability  
Minimum load  
EMC CHARACTERISTICS  
80% to 110%  
0%  
Immunity:  
ESD air enclosure  
EN61000-4-2 8 kV/6 kV(O/P within spec.)  
Radiated field enclosure EN61000-4-3 10 V/m (O/P within spec.)  
Conducted  
Input transients  
EN61000-4-6 10 V  
100 V, 100 ms  
(O/P within spec.)  
Overshoot  
At turn-on and turn-off  
None  
Undershoot  
None  
GENERAL SPECIFICATIONS  
Transient response  
(See Note 1)  
60 mV to 150 mV typ. deviation  
20 µs recovery  
Basic insulation  
Input/output  
2250 Vdc  
480 kHz  
Switching frequency  
Fixed  
INPUT SPECIFICATIONS  
Approvals and  
standards  
(See Note 3)  
EN60950-1 VDE  
UL/cUL 60950  
Input voltage range  
24 V nominal  
48 V nominal  
18-36 Vdc  
36-75 Vdc  
Material flammability  
Weight  
UL94V-0  
Input current  
No load  
Remote OFF  
50 mA  
5 mA  
21 g (0.73 oz)  
Active high remote ON/OFF  
MTBF  
Telcordia Tech SR-332 4,034,120 hours  
Logic compatibility  
Open collector ref to -input  
Open circuit or >2.4 Vdc  
<0.4 Vdc  
ON  
OFF  
ENVIRONMENTAL SPECIFICATIONS  
Undervoltage Lockout  
Thermal performance  
Operating ambient.  
-40 °C to +85 °C  
-55 °C to +125 °C  
24 Vin  
Power up  
17.5 V (typ.)  
16.5 V (typ.)  
35.5 V (typ.)  
33.5 V (typ.)  
temperature  
Power down  
Power up  
Non-operating  
48 Vin  
Power down  
PROTECTION  
Shortcircuit  
Overvoltage  
Thermal  
48 Vin Start-up time  
(See Note 2)  
Power up  
Remote ON/OFF  
15 ms (typ.)  
15 ms (typ.)  
Continuous  
Non-latching  
125 ºC hot spot temperature with  
automatic recovery  
International Safety Standard Approvals  
UL/cUL CAN/CSA 22.2 No. 60950-00 : UL 60950  
File No. E135734/60950  
VDE Certificate No. 40005017. File No. 10401-3336-0197  
CB Report and Certificate to IEC60950, Certificate No. DE1-31103  
File Name: eighth_brick.pdf Rev (07): 16 Nov 2005  
123

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