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参数资料
型号： LE30A48S1V8T8
元件分类： 电源模块
英文描述： 1-OUTPUT 54 W DC-DC REG PWR SUPPLY MODULE
文件页数： 1/3页
文件大小： 148K
代理商： LE30A48S1V8T8
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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相关代理商/技术参数
参数描述
LE30AB 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
LE30ABD 功能描述:低压差稳压器 - LDO 3.0V 100mA Positive RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
LE30ABDTR 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
LE30ABD-TR 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Very low drop voltage regulators with inhibit
LE30ABZ 功能描述:低压差稳压器 - LDO 3.0V 100mA Positive RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
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