ACST8_09 datasheet(5/13 Pages) STMICROELECTRONICS

Part #	ACST8

Description	Overvoltage protected AC switch

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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ACST8

Characteristics

Doc ID 7463 Rev 7

5/13

Figure 10.

On-state characteristics (maximum

values)

Figure 11.

Relative variation of critical rate of

decrease of main current (dI/dt)c

versus junction temperature

1

10

100

012

3

45

ITM (A)

T

j=25 °C

T

j=125 °C

T

j max :

V

to = 0.90 V

R

d = 50 mΩ

VTM (V)

(dI/dt)c[T ] /

j

(dI/dt)c[T =125°C]

j

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

25

50

75

100

125

Tj(°C)

Figure 12.

Relative variation of static dV/dt

immunity versus junction

temperature (gate open)

Figure 13.

Relative variation of leakage

current versus junction

temperature

dV/dt[T ] /

j

dV/dt[T =125°C]

j

0

1

2

3

4

5

6

7

8

9

10

11

25

50

75

100

125

V

D=VR=530 V

Tj(°C)

IDRM/IRRM [Tj;V DRM/VRRM]/IDRM/IRRM [Tj=125°C; 800V]

1.0E-03

1.0E-02

1.0E-01

1.0E+00

25

50

75

100

125

V

DRM=VRRM=800 V

V

DRM=VRRM=800 V

V

DRM=VRRM=600 V

V

DRM=VRRM=200 V

Tj(°C)

Different blocking voltages

Figure 14.

Relative variation of clamping

voltage (VCL) versus junction

temperature (minimum values)

Figure 15.

Thermal resistance junction to

ambient versus copper surface

under tab

VCL [Tjj/VCL[Tj=25°C]

0.85

0.90

0.95

1.00

1.05

1.10

1.15

-50

-25

0

25

50

75

100

125

Tj(°C)

0

10

20

30

40

50

60

70

80

0

5

10

15

20

25

30

35

40

Rth(j-a) (°C/W)

D²PAK

SCU(cm²)

Printed circuit board FR4,

copper thickness = 35 µm

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