BUF420M datasheet(3/7 Pages) STMICROELECTRONICS

3 / 7 page

ELECTRICAL CHARACTERISTICS (continued)

Symb ol

Parameter

Test Cond ition s

Mi n.

Typ .

Max.

Un it

St orage Time

Fall T ime

Cross Over T ime

IC =10 A

VCC =50 V

VBB =0

RBB =0.15

Ω

Vcla mp = 400 V

IB1 =1 A

L = 0.25 mH

Tj =100

0.15

0.25

µs

VCEW

Maximum Collect or

Emitt er Volt age

without Snubber

IC =10 A

VCC =50 V

VBB =0

RBB =0.15

Ω

Vcla mp = 400 V

IB1 =1 A

L = 0.25 mH

Tj =125

500

St orage Time

Fall T ime

Cross Over T ime

IC =20 A

VCC =50 V

VBB =-5 V

RBB =0.6

Ω

Vcla mp = 400 V

IB1 =4 A

L = 0.12 mH

2.2

0. 06

0. 12

µs

St orage Time

Fall T ime

Cross Over T ime

IC =20 A

VCC =50 V

VBB =-5 V

RBB =0. 6

Ω

Vcla mp = 400 V

IB1 =4 A

L = 0.12 mH

Tj =125

3.5

0.12

0.3

µs

VCEW

Maximum Collect or

Emitt er Volt age

without Snubber

ICWoff =30 A

VCC =50 V

VBB =-5 V

RBB =0. 6

Ω

L = 0.08 mH

IB1 =6 A

Tj =125

400

Figure 1: Turn-on Switching Test Circuit

Figure 2: Turn-off Switching Test Circuit

1) Fast electronic switch

2) Non inductive Resistor

3) Fast recovery rectifier

1) Fast electronic switch

2) Non inductive Resistor

BUF420 / BUF420M

3/7

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