STTA106U(1995) Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

STTA106U
(Rev.:1995)

TURBOSWITCH™ ”A”. ULTRA-FAST HIGH VOLTAGE DIODE

STMicroelectronics 

STTA106U

APPLICATION DATA (Cont’d)

Fig. 2 : STATIC CHARACTERISTICS

I

IF

Rd

VR

V

I R VtO VF

Fig. 3 : TURN-OFF CHARACTERISTICS

V

IL

TRANSISTOR

I

t

Conduction losses :

P1 = Vt0 x IF(AV) + Rd x IF2(RMS)

with

Vt0 = 1.15 V

Rd = 0.350 Ohm

(Max values at 125°C)

Reverse losses :

P2 = VR x IR x (1 - δ)

Turn-on losses :

(in the transistor, due to the diode)

P5 = VR

×

IRM 2 × (3+2 × S) × F

6 x dIF ⁄ dt

+ VR

×

IRM × IL × (S + 2) × F

2 × dIF ⁄ dt

I

dI F /dt

DIODE

V

ta tb

t

I RM

dIR /dt

VR

trr = ta + tb S = tb / ta

I

dIF /dt = VR /L

RECTIFIER

OPERATION

V

ta tb

IRM

dIR /dt

trr = ta + tb

S = tb/ta

t

VR

4/6

®

Turn-off losses (in the diode) :

P3 = VR

× IRM 2 × S × F

6 x dIF ⁄ dt

P3 and P5 are suitable for power MOSFET and

IGBT

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