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參數資料
| 型號： | LE30A48S1V8RT7 |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 54 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數： | 1/3頁 |
| 文件大小： | 148K |
| 代理商： | LE30A48S1V8RT7 |
DC/DC CONVERTERS
54W High Efficiency DC/DC Converters
1
LE30 Series
Single output
NEW Product
File Name: LE30.PDF Rev: 10 Oct 2002
TV
Provisional
2 YEAR WARRANTY
Ultra-high efficiency topology, 89% typical at 1.8V
Industry standard footprint
Wide ambient temperature -40°C to +100°C
(natural convection)
90% to 110% output trim
No minimum load
Overvoltage protection
Remote ON/OFF
The LE is a new ultra-high efficiency, open-frame, isolated DC/DC converter series
in an industry standard eight-brick footprint that provides up to 54 watts of output
power. The LE delivers very high output current at low voltages, and excellent
useable power density for todays high end applications. The first model in the
series features an input voltage range of 36 to 75VDC and is available with an
output voltage of 1.8V. The output voltage is adjustable from 90% to 110% of the
nominal value. The LE series also has a remote ON/OFF capability. Overcurrent
and overvoltage protection features are included as standard. With full
international safety approval pending including EN60950 (TV Rheinland) and
UL/cUL1950, the LE reduces compliance costs and time to market.
CONFIDENTIAL
All specifications are typical at nominal input, full load at 25°C unless otherwise stated
SPECIFICATIONS
OUTPUT SPECIFICATIONS
Voltage adjustability
90% to 110%
Setpoint accuracy
±0.5% max.
Minimum load
0%
Overshoot
At turn-on and turn-off
None
Undershoot
1.8V and 3.3V models
None
Transient response
2.0% typ. deviation
(See Note1)
20s recovery to
within 1% of setpoint
INPUT SPECIFICATIONS
Input voltage range
48V nominal
36 to 75VDC
Input current
No Load
30mA
Remote OFF
3mA
Active high remote ON/OFF
(See Note 7)
Logic compatibility
Open collector ref to -input
ON
Open circuit or >4VDC
OFF
<1.2VDC
Undervoltage lockout
Power up
35.5V (typ.)
Power down
33.5V (typ
Start-up time
Power up
TBD ms (typ.)
(See Note 6)
Remote ON/OFF
TBD ms (typ.)
EMC CHARACTERISTICS
Conducted emissions
EN55022 (See Note 2)
Level A
EN55022 (See Note 2)
Level B
Radiated emissions
EN55022
Level B
Immunity:
ESD air
EN61000-4-2 8kV (TBD), 15kV (TBD)
ESD contact
EN61000-4-2 6kV (TBD), 8kV (TBD)
Radiated field enclosure
EN61000-4-3 10V/m (TBD)
Conducted (DC power)
EN61000-4-6 10V (TBD)
Conducted (signal)
EN61000-4-6 10V (TBD)
Input transients
ETS300 132-2, ETR283
GENERAL SPECIFICATIONS
Efficiency
See table
Basic insulation
Input/output
1500VDC
Switching frequency
Fixed
500kHz typ.
Approvals and
TBD
standards (See Note 4)
TBD
Material flammability
UL94V-0
Weight
TBD
MTBF
MIL-HDBK-217F @ 25C
TBD hours
100% load ground benign
ENVIRONMENTAL SPECIFICATIONS
Thermal performance
Operating ambient.
-40°C to +100°C
temperature
Non-operating
-40°C to +125°C
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LE30AB | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT |
| LE30ABD | 功能描述:低壓差穩壓器 - LDO 3.0V 100mA Positive RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LE30ABDTR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT |
| LE30ABD-TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Very low drop voltage regulators with inhibit |
| LE30ABZ | 功能描述:低壓差穩壓器 - LDO 3.0V 100mA Positive RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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