LL4448 datasheet(2/4 Pages) VISHAY

2 / 4 page

LL4148, LL4448

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Vishay Semiconductors

Rev. 2.1, 25-Feb-2020

Document Number: 85557

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TYPICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)

Fig. 1 - Forward Current vs. Forward Voltage

Fig. 2 - Forward Current vs. Forward Voltage

Fig. 3 - Reverse Current vs. Reverse Voltage

Fig. 4 - Diode Capacitance vs. Reverse Voltage

ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)

PARAMETER

TEST CONDITION

PART

SYMBOL

MIN.

TYP.

MAX.

UNIT

Forward voltage

IF = 5 mA

LL4448

0.620

0.720

IF = 50 mA

LL4148

0.860

IF = 100 mA

LL4448

0.930

Reverse current

VR = 20 V

VR = 20 V, Tj = 150 °C

μA

VR = 75 V

5μA

Breakdown voltage

IR = 100 μA, tp/T = 0.01,

tp = 0.3 ms

V(BR)

100

Diode capacitance

VR = 0 V, f = 1 MHz,

VHF = 50 mV

4pF

Reverse recovery time

IF = IR = 10 mA,

iR = 1 mA

trr

IF = 10 mA, VR = 6 V,

iR = 0.1 x IR, RL = 100

0.4

0.8

1.2

1.6

0.1

100

1000

VF - Forward Voltage (V)

2.0

94 9096

LL4148

Scattering Limit

Tj = 25 °C

94 9097

Tj =25

°C

LL4448

Scattering Limit

0.4

0.8

1.2

1.6

0.1

100

1000

VF - Forward Voltage (V)

2.0

100

1000

R- Reverse Voltage (V)

100

94 9098

j = 25 °C

Scattering Limit

0.1

0.5

1.0

1.5

2.0

3.0

100

94 9099

2.5

R - Reverse Voltage (V)

f = 1 MHz

j = 25 °C

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