2012. 01. 16

2/3

FDS21U

Revision No : 0

7000

6000

5000

4000

3000

6

5

4

3

2

1

0

1

2

5

10

20

50

100

200 300

1200

1000

800

600

400

200

1

1

10

100

1000

Figure 2. Forward Voltage

Figure 3. Reverse Leakage

Notes: 1. A 2.0 kΩ variable resistor adjusted for a Forward Current (IF) of 30 mA.

2. Input pulse is adjusted so IR(peak) is equal to 30 mA.

3. tp » trr

+10 V

2 k

820 Ω

0.1 µF

DUT

VR

100 µH

0.1 µF

50 Ω OUTPUT

PULSE

GENERATOR

50 Ω INPUT

SAMPLING

OSCILLOSCOPE

tr

tp

t

10%

90%

IF

IR

trr

t

iR(REC) = 3 0 mA

OUTPUT PULSE

(IF = IR = 30 mA; measured

at iR(REC) = 3.0 mA)

IF

INPUT SIGNAL

Figure 1. Recovery Time Equivalent Test Circuit