收藏本站
Rev.03.19.07
LES20B
2 of 4
Embedded Power for
Business-Critical Continuity
Electrical Specifications Contd.
Notes
1 di/dt = 1 A/s, Vin = 48 Vdc, Tc = 25 °C, load change =
50% to 75% lo max. and 75% to 50% lo max. Deviation
varies by model. For further details see longform
datasheets.
2 Start-up into resistive load.
3 This product is only for inclusion by professional
installers within other equipment and must not be
operated as a stand alone product.
4 Recommended input fusing is up to 10 A HRC 200 V
rated fuse.
5 Peak to peak measured with no external Pi filter.
Significant reduction possible with external filter. See
Longform Datasheet for further details.
6 Please consult factory to check availability.
7 The ‘J’ suffix indicates that these parts are Pb-free (RoHS
6/6) compliant. TSE RoHS 5/6 (non Pb-free) compliant
versions may be available on special request, please
contact your local sales representative for details.
Table 1 - Output Ratings
General
Basic insulation
Input/output
2250 V dc
Switching frequency
Fixed
500 kHz
Approvals and
EN60950-1 VDE
standards
UL/cUL60950-1
Material flammability
UL94V-0
Weight
20 g (0.70 oz)
MTBF
Telcordia SR-332 Issue 1
>1,000,000 hours
rated output power
EMC Characteristics
Immunity:
ESD air enclosure
EN1000-4-2 8 kV/6 kV
(O/P within spec.)
Radiated field enclosure
EN1000-4-3 10 V/m
(O/P within spec.)
Conducted
EN1000-4-6 10 V
(O/P within spec.)
Input transients
100 V, 100 ms
Environmental Characteristics
Thermal performance
Operating ambient
-40 °C to +85 °C
temperature
Non-operating
-40 °C to +125 °C
Protection
Short-circuit
115% with automatic recovery
Overvoltage
125% Vo (typ) with automatic recovery
Thermal
125 °C hot spot temperature with
automatic recovery
Part Number System with Options
Product
Family
LES
L = Low Profile
E = 1/8 Brick
S = Single Output
Rated Output
Current
22
22 = 22 Amps,
20 = 20 Amps, etc.
Vintage
B
A = 1st generation
B = 2nd generation
Nominal Rated
Input Voltage
48
48 = 48 Volts
(36 - 75 VDC range)
Type of
Output
2V5
2V5 = 2.5 Volts
3V3 = 3.3 Volts
Remote
ON/OFF LOGIC
R
Blank = Positive
R = Negative
RoHS
Compliance (7)
J
J = Pb free (RoHS
6/6 compliant)
Body Height, Package Type
and Pin Length
A
A = 0.32 in (8.1 mm),Through Hole
0.19 in (4.8 mm), Pins
E = 0.36 in (9.1 mm), Through Hole
0.19 in (4.8 mm), Pins
S = 0.32 in (8.1 mm), Surface Mount
OUTPUT
INPUT
OUTPUT
EFFICIENCY
REGULATION
MODEL
VOLTAGE
CURRENT
RIPPLE
CURRENT
(TYP.)
SET POINT
LINE
LOAD
RIPPLE &
NUMBER (7)
(MAX.) (4)
CURRENT (5)
(MAX.)
ACCURACY
NOISE
MAX
(pk - pk)
2.5 V
1.80 A
250 mA
22 A
90.5%
±1.5%
±0.1%
±0.2%
30 mV
LES22B48-2V5
J
3.3 V
2.10 A
250 mA
20 A
91%
±1.5%
±0.1%
±0.2%
30 mV
LES20B48-3V3
J
5.0 V
2.10 A
250 mA
13 A
92.5%
±1.5%
±0.1%
±0.2%
30 mV
LES13B48-5V0
J
12.0 V
2.5 A
250 mA
6.7 A
92%
±1.5%
±0.1%
±0.2%
50 mV
LES06B48-12V0
J
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*
相关PDF资料
LES25A48-3V3EJ 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
LES15A48-5V0EJ 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
LES40A48-1V8EJ 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
LES25A48-3V3EJ 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
LES25A48-2V5EJ 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
LES15A48-5V0AJ 1-OUTPUT 75 W DC-DC REG PWR SUPPLY MODULE
LES40A48-1V5AJ 1-OUTPUT 60 W DC-DC REG PWR SUPPLY MODULE
LES15A48-5V0AJ 1-OUTPUT 75 W DC-DC REG PWR SUPPLY MODULE
相关代理商/技术参数
LES06B48-12V0RAJ 功能描述:DC/DC转换器 66W 36-75Vin Single 12V 5.7A 1/8 Brick RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
LES06B48-12V0REJ 功能描述:DC/DC转换器 66W 36-75Vin Single 12V 5.7A 1/8 Brick RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
LES06B48-12V0RSJ 功能描述:DC/DC转换器 66W 36-75Vin Single 12V 5.7A 1/8 Brick RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
LES06B48-12V0SJ 功能描述:DC/DC转换器 66W 36-75Vin Single 12V 5.7A 1/8 Brick RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
LES0701 制造商:KYUNG NAM ELECTRONICS 功能描述:T1 FILAMENT LAMP,28V 40MA
LE-S08430 制造商:Spectrah Dynamics 功能描述:8.4-INCH LCD OPEN FRAME MONITOR HDMI MONITOR, ALUMINUM CHASS - Bulk
LES-102A-R 制造商:PATLITE Corporation 功能描述:Indicating Light, 50mm,24VAC/VDC,Short Body,Red,Steel Pole Mount,Continuous LED 制造商:PATLITE Corporation 功能描述:SIGNAL LIGHT TOWER, RED; IP / NEMA Rating:IP23; Bulb Size:50mm; Color:Red; Current Rating:25mA; Luminous Intensity:180mcd; Mounting Type:Pole-mount; Power Rating:600mW; Supply Voltage:24V ;RoHS Compliant: Yes
LES-102AW-R 制造商:PATLITE Corporation 功能描述:Indicating Light,50mm,24VAC/VDC,Red,Short Body,Direct Mount,Continuous light,LED 制造商:PATLITE Corporation 功能描述:SIGNAL LIGHT TOWER, RED; IP / NEMA Rating:IP54; Bulb Size:50mm; Color:Red; Current Rating:25mA; Luminous Intensity:180mcd; Mounting Type:Direct-mount; Power Rating:600mW; Supply Voltage:24V ;RoHS Compliant: Yes