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參數資料
| 型號： | LES25A48-3V3S |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 82.5 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數： | 1/3頁 |
| 文件大小： | 102K |
| 代理商： | LES25A48-3V3S |
DC/DC CONVERTERS
High Current, High Efficiency, Low Profile
1
2 YEAR WARRANTY
NEW Product
All specifications are typical at nominal input, full load at 25°C ambient unless otherwise stated
SPECIFICATIONS
File Name: eighth_brick.pdf Rev (05): 21 Jun 2004
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, -40C to +85C
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
100V, 100ms input voltage transient rated
Eighth-Brick Series
Single output
OUTPUT SPECIFICATIONS
Voltage adjustability
80% to 110%
Minimum load
0%
Overshoot
At turn-on and turn-off
None
Undershoot
None
Transient response
60mV to 120mV typ. deviation
(See Note 1)
20s recovery
INPUT SPECIFICATIONS
Input voltage range
48V nominal
36 to 75VDC
Input current
No load
50mA
Remote OFF
5mA
Active high remote ON/OFF
Logic compatibility
Open collector ref to -input
ON
Open circuit or >2.4VDC
OFF
<0.4VDC
Undervoltage lockout
Power up
35.5V (typ.)
Power down
33.5V (typ.)
Start-up time
Power up
15ms (typ.)
(See Note 2)
Remote ON/OFF
15ms (typ.)
TV
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 100W 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 36 to 75VDC and is available with output voltages of 1.2V, 1.5V 1.8V, 2.5V,
3.3V and 5.0V. The output voltage is adjustable from 80% to 110% of the nominal value. The
series also has a remote ON/OFF capability. Over-current, over-voltage and over-temperature
protection features are included as standard. Full international safety approval including
EN60950 VDE and UL/cUL60950, reduces compliance costs and time to market.
EMC CHARACTERISTICS
Immunity:
ESD air enclosure
EN61000-4-2 8kV/6kV (O/P within spec.)
Radiated field enclosure
EN61000-4-3 10V/m
(O/P within spec.)
Conducted
EN61000-4-6 10V
(O/P within spec.)
Input transients
100V, 100ms
GENERAL SPECIFICATIONS
Basic insulation
Input/output
2250VDC
Switching frequency
Fixed
480kHz
Approvals and
(See Note 3)
EN60950 VDE
standards
UL/cUL 60950
Material flammability
UL94V-0
Weight
21g (0.73oz)
MTBF
Telcordia Tech SR-332 4,034,120 hours
ENVIRONMENTAL SPECIFICATIONS
Thermal performance
Operating ambient.
-40°C to +85°C
temperature
Non-operating
-55°C to +125°C
PROTECTION
Short-circuit
Continuous
Over-voltage
Non-latching
Thermal
125C hot spot temperature with
automatic recovery
International Safety Standard Approvals
UL/cUL CAN/CSA 22.2 No. 60950-00 : UL 60950
File No. E135734
VDE Certificate No. 40005017
CB Report and Certificate to IEC60950, Certificate No. DE1-19783
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| LES25B48-1V0AJ | 功能描述:DC/DC轉換器 37.5W 36-75Vin Sngl 1.0V 25A 1/8 Brick RoHS:否 制造商:Murata 產品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
| LES25B48-1V0EJ | 功能描述:DC/DC轉換器 37.5W 36-75Vin Sngl 1.0V 25A 1/8 Brick RoHS:否 制造商:Murata 產品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
| LES25B48-1V0RAJ | 功能描述:DC/DC轉換器 37.5W 36-75Vin Sngl 1.0V 25A 1/8 Brick RoHS:否 制造商:Murata 產品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
| LES25B48-1V0REJ | 功能描述:DC/DC轉換器 37.5W 36-75Vin Sngl 1.0V 25A 1/8 Brick RoHS:否 制造商:Murata 產品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
| LES25B48-1V0RSJ | 功能描述:DC/DC轉換器 37.5W 36-75Vin Sngl 1.0V 25A 1/8 Brick RoHS:否 制造商:Murata 產品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
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