LS54/LS545

Surface Mount Schottky Rectifier

Reverse Voltage 40/45V Forward Current 5A

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2014.03-Rev.A

Features

• Schottky barrier diodes

• Low forward voltage drop

Ll k

t

• Low leakage current

• Moisture sensitivity: level 1, per J-STD-020

• Solder dip 260 °C, 10 s

• Low profile， typical thickness 1.0mm

• AEC-Q101 qualified

Typical Applications

eSGB (SMAF)

Typical Applications

For use in low voltage,high freqency inverters,free wheeling, and polarity

protection application

VRRM

V

VRMS

V

VDC

V

IF(AV)

1)

IF(AV)

2)

45

31.5

45

Parameter

Symbol

Unit

LS54

LS545

Maximum repetitive peak reverse

Maximum RMS voltage

Maximum DC blocking voltage

40

28

40

5.0

Pk f

d

8 3

Maximum average forward rectified

current

3.0

A

IFSM

A

TJ, TSTG

°C

Peak forward surge current 8.3 ms

single half sine-wave superimposed on

rated load

150

Operating junction and storage

temperature range

- 55 to + 150

IF=5A, TA=25℃

IF=5A, TA=125℃

TA=25℃

Parameter

Instantaneous

forward voltage

VF

Max,0.55

Test Conditions Symbol

Unit

LS54

LS545

Volts

typ,0.45

Maximum DC

reverse current at

0.5

TA=125℃

Typical junction

capacitance

4.0 V, 1 MHz

pF

Typical thermal

resistance

juntion to mount

1)

℃/W

Note1,Thermal resistance from junction to mount,mounted on PCB with 8.0×8.0mm copper pads

2,Mounted on Aluminum substrate pcb

mA

20

320

20

reverse current at

rated DC blocking

voltage

IR

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2014.03-Rev.A