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參數資料
| 型號： | LES20A24-3V3E |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 文件頁數： | 1/3頁 |
| 文件大小： | 107K |
| 代理商： | LES20A24-3V3E |
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_24v.pdf Rev (01) 21 Sept 2004
Ultra-high efficiency topology
Industry standard eighth-brick footprint (identical to 1/4 brick pinout)
Low profile through-hole version
Low profile with 38% space savings over other 1/4 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
50V, 100ms input voltage transient rated
The 24V, Typhoon eighth-brick series is a new high efficiency, open-frame, low profile, single
board, isolated DC/DC converter series in an industry standard eighth-brick footprint that
provides up to 66W of output power. The series delivers very high output current at low
voltages, and provides an excellent amount of usable power for today’s high performance
applications. The series features an input voltage range of 18 to 36VDC and is available with
output voltages of 1.8V and 3.3V. 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.
Eighth-Brick Series
24Vin, Single Output
OUTPUT SPECIFICATIONS
Voltage adjustability
80% to 110%
Minimum load
0%
Overshoot
At turn-on and turn-off
None
Undershoot
None
Transient response
70mV to 150mV typ. deviation
(See Note 1)
20s recovery
INPUT SPECIFICATIONS
Input voltage range
24V nominal
18 to 36VDC
Input current
No load
70mA
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
17.5V (typ.)
Power down
16.5V (typ.)
Start-up time
Power up
15ms (max.)
(See Note 2)
Remote ON/OFF
15ms (max.)
International Safety Standard Approvals
UL/cUL CAN/CSA 22.2 No. 60950-00 : UL 60950
file No. E135734
VDE Certificate No. 40005017
EMC CHARACTERISTICS
Immunity:
ESD air enclosure
EN61000-4-2 8kV/6kV (output within spec.)
Radiated field enclosure
EN61000-4-3 10V/m (output within spec.)
Conducted
EN61000-4-6 10V
(output within spec.)
Input transients
50V, 100ms
GENERAL SPECIFICATIONS
Basic insulation
Input/output
2250VDC
Switching frequency
Fixed
480kHz
Approvals and
(See Note 3)
EN60950-1 VDE
standards
UL/cUL 60950
Material flammability
UL94V-0
Weight
21g (0.73oz)
MTBF
Telcordia Tech SR-332 5,000,000 hours
ENVIRONMENTAL SPECIFICATIONS
Thermal performance
Operating ambient,
-40°C to +85°C
temperature
Non-operating
-55°C to +125°C
PROTECTION
Short-circuit
Continuous
Overvoltage
Non-latching
Thermal
125C hot spot temperature with
automatic recovery
Patent No. 6,765,810
Other Patents Pending
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| LES20A24-3V3EJ | 功能描述:DC/DC轉換器 24VDC 3.3V 20A 0.34H 0.188 Pin L in 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: |
| LES20A24-3V3EY | 功能描述:DC/DC轉換器 DC-DC 1-OUT 3.3V 20A 100W 8-Pin 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: |
| LES20A24-3V3J | 制造商:EMERSON-NETWORKPOWER 制造商全稱:Emerson Network Power 功能描述:DC/DC CONVERTERS |
| LES20A24-3V3RA | 功能描述:DC/DC轉換器 24VDC 3.3V 20A Negative Logic 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: |
| LES20A24-3V3RAJ | 功能描述:DC/DC轉換器 24VDC 3.3V 20A Negative Logic 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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