Datasheet > LF123SI

LF123SI

更新时间： 2024-09-16 11:37:19

品牌	Logo	应用领域
MPD		转换器
页数	文件大小	规格书
2页	213K
描述
High Isolation, 1W Single Output SMT DC/DC Converters

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LF123SI 数据手册

LF100SI_Series

High Isolation, 1W

Single Output SMT

DC/DC Converters

Electrical Speciﬁcations

Speciﬁcations typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Speciﬁcations subject to change without notice.

Input

Key Features:

Parameter

Conditions

Min.

Typ.

5.0

Max.

5.5

Units

VDC

• 1W Output Power

• Ultra-Miniature SMT Case

• 3,000 VDC Isolation

5 VDC Input

4.5

Input Voltage Range

12 VDC Input 10.8

24 VDC Input 21.6

12.0

24.0

13.2

26.4

0.3

• 5V, 12V & 24V Inputs

Reverse Polarity Input Current

Input Filter

Capacitor

• -40ºC to +85ºC Operation

• 9 Standard Models

Output

Parameter

Conditions

For Vin Change of 1%

Min.

Typ.

1.5

Max.

4.0

Units

• 2.0 MH MTBF Minimum

• Industry Standard Pin-Out

Output Voltage Accuracy

Line Regulation

1.2

1.5

Load Regulation (Note 1)

Ripple & Noise (20 MHz) (Note 2)

Ripple & Noise (20 MHz)

Output Power Protection

Temperature Coeiffcient

Output Short Circuit

General

See Model Selection Guide

100

150

mV P - P

mv rms

Over Line, Load & Temp.

120

0.01

0.02

%/ºC

Momentary (0.5 Sec.)

RoHS Compliant

Parameter

Conditions

Min.

Typ.

Max.

Units

VDC

GΩ

Isolation Voltage

Isolation Resistance

Isolation Capacitance

Switching Frequency

Environmental

Parameter

60 Seconds 3,000

500 VDC

100 kHz, 1V

100

150

100

kHz

Min.

-40

Typ.

Max.

+85

Units

ºC

Operating Temperature Range

Storage Temperature Range

Cooling

Ambient

Case

+25

-40

+90

ºC

-40

+125

ºC

Free Air Convection

RH, Non-condensing

Humidity

MicroPower Direct

292 Page Street

Suite D

Stoughton, MA 02072

USA

Physical

Case Size

0.60 x 0.31 x 0.26 Inches (15.24 x 8.0 x 6.7 mm)

Molded Black Plastic (UL94-V0)

0.07 Oz (2.2g)

Case Material

Weight

Reliability Speciﬁcations

Parameter

T: (781) 344-8226

F: (781) 344-8481

E: sales@micropowerdirect.com

W: www.micropowerdirect.com

Conditions

Min.

Typ.

Max.

Units

MTBF

MIL HDBK 217F, 25ºC, Gnd Benign

2.0

MHours

Absolute Maximum Ratings

Parameter

Conditions

5 VDC Input

Min.

-0.7

Max.

9.0

Units

Input Voltage Surge (1 Sec)

12 VDC Input

18.0

30.0

300

550

VDC

24 VDC Input

Lead Temperature

1.5 mm From Case For 10 Sec.

All Models

ºC

Internal Power Dissipation

Caution: Exceeding Absolute Maximum Ratings may damage the module. These are not continuous operating ratings.

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