Datasheet > EXB50-48S3V3J

EXB50-48S3V3J

更新时间： 2024-01-17 00:15:41

品牌	Logo	应用领域
艾默生 - EMERSON-NETWORKPOWER		转换器
页数	文件大小	规格书
3页	181K
描述
20-50 W High Efficiency DC-DC Converters

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EXB50-48S3V3J 数据手册

EXB50 Series

S i n g l e o u t p u t

DC-DC CONVERTERS 20-50 W High Efficiency DC-DC Converters

• High efficiency topology, 91% typical on EXB50-48S05J

• Industry standard footprint

• Wide operating temperature -40 °C to +70 °C

(natural convection)

• 60% to 110% output trim

• No minimum load

• Overvoltage and overtemperature protection

• Remote sense compensation

• Remote ON/OFF

• Available RoHS compliant

The EXB50 series of 50 Watt single-output isolated dc-dc converters are specifically

designed to meet the power needs of low-voltage silicon. Housed in an open-frame

package with an industry-standard footprint, these latest-generation converters offer

efficiencies as high as 91%. The series comprises three 24 V input models with 5 V,

3.3 V and 2 V outputs, and six 48 V input models with 12 V, 5 V, 3.3 V 2.5 V, 2 V and

1.8 V outputs. All models feature a wide input range, trimmable output voltage and a

10 A current rating (except the 12 V). Remote sense and remote ON/OFF facilities are

included as standard, and the converters are comprehensively protected against

overcurrent, overvoltage and overtemperature conditions.

2 YEAR WARRANTY

All specifications are typical at nominal input, full load at 25 °C unless otherwise stated

SPECIFICATIONS

OUTPUT SPECIFICATIONS

Voltage adjustability

INPUT SPECIFICATIONS Continued

60% to 110%

1.5% max.

0.1% max.

0.2% max.

3.0%

Undervoltage lockout

24 V Power up

17 V max.

24 V Power down

48 V Power up

15 V min.

33.2 V max.

30.9 V min.

Setpoint accuracy

48 V Power down

Line regulation

Load regulation

Total error band

Minimum load

Overshoot

Low line to high line

Start-up time

(See Note 7)

Power up

30 ms

25 ms

Full load to min. load

Remote ON/OFF

EMC CHARACTERISTICS

Conducted emissions

EN55022 (See Note 3)

Level A

Level B

Level A

EN55022 (See Note 3)

EN55022

At turn-on and turn-off

5 Hz to 20 MHz

None

Radiated emissions

Immunity:

(See Note 13)

Undershoot

None

ESD air

EN61000-4-2 8 kV (NP), 15 kV (RP)

EN61000-4-2 6 kV (NP), 8 kV (RP)

ESD contact

Ripple and noise

(See Note 1)

100 mV pk-pk

20 mV rms

Radiated field enclosure EN61000-4-3 10 V/m (NP)

Conducted (DC power)

Conducted (signal)

EN61000-4-6 10 V (NP)

Transient response

(See Notes 2 and 8)

24 V models

48 V models

3.0% peak deviation

2.0% peak deviation,

200 µs recovery to

GENERAL SPECIFICATIONS

within total error band

Efficiency

See table

1500 Vdc

Remote sense

(See Note 9) 10% o/p voltage change

Basic insulation

Input/output

Fixed

Switching frequency

300 kHz typ.

INPUT SPECIFICATIONS

Approvals and

IEC60950/EN60950, UL/cUL1950

CSA C22.2 No. 950

Input voltage range

24 V nominal

18-36 Vdc

36-75 Vdc

standards (See Note 5)

48 V nominal

(See Note 14)

Input current

100 V 100 ms transient

Material flammability

Weight

UL94V-0

24 V no load

85 mA max.

20 mA max.

60 mA max.

10 mA max.

50 g (1.77 oz)

24 V Remote OFF

48 V no load

MTBF

MIL-HDBK-217F @ 25 ºC

100% load ground benign

270,000

hours

48 V Remote OFF

Input current (max.)

(See Note 4)

24 V models

48 V models

3.25 A max. @ Io max.

and Vin = 18-36 Vdc

1.7 A max. @ lo max.

and Vin = 36-75 Vdc

ENVIRONMENTAL SPECIFICATIONS

Thermal performance

(See Notes 11, 12)

Operating ambient.

-40 °C to +70 °C

temperature (natural convection)

Non-operating

-55 °C to +125 °C

ETS 300 019-2-3

Classes T3.1 to T3.5

Input reflected ripple

(See Note 6)

24 V models

48 V models

20 mA (pk-pk) typ.

50 mA (pk-pk) typ.

Altitude

3,000 metres

10,000 metres

Derate max. output

current by 20%

(See Note 10)

Remote ON/OFF

(See Note 15)

Derate max. output

current by 50%

Logic compatibility

Open collector ref to -input

Open circuit or >2 Vdc

<1.2 Vdc

OFF

File Name: exb50s.pdf Rev (02): 05 Dec 2005

12 3

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