ACST1235-8FP datasheet(3/13 Pages) STMICROELECTRONICS

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DocID026033 Rev 1

3/13

ACST1235-8FP

Characteristics

Table 4. Static characteristics

Symbol

Test conditions

Value

Unit

VTM(1) ITM = 17 A, tp = 380 µs

Tj = 25 °C

MAX.

1.5

Vto

(1)

Threshold voltage

Tj = 150 °C

MAX.

0.9

(1)

Dynamic resistance

Tj = 150 °C

MAX.

IDRM

IRRM

VOUT = VDRM / VRRM

Tj = 25 °C

MAX.

1µA

Tj = 125 °C

500

µA

Tj = 150 °C

1.2

1. For both polarities of OUT pin referenced to COM pin

Table 5. Thermal characteristics

Symbol

Parameter

Value

Unit

Rth(j-c) Junction to case (AC)

3.5

°C/W

Rth(j-a) Junction to ambient (AC)

°C/W

Figure 2. Maximum power dissipation versus

rms on-state current (full cycle)

Figure 3. On-state rms current versus case

temperature (full cycle)

P(W)

468

α = 180 °

180 °

(A)

T(RMS)

IT(RMS)(A)

100

125

150

α = 180 °

T (°C)

Figure 4. On-state rms current versus ambient

temperature (free air convection)

Figure 5. Relative variation of thermal

impedance versus pulse duration

IT(RMS)(A)

0.0

0.5

1.0

1.5

2.0

2.5

3.0

100

125

150

α = 180 °

Ta(°C)

1.0E-02

1.0E-01

1.0E+00

K = [Zth/Rth]

1.0E-03

1.0E-02

1.0E-01

1.0E+00

th(j

1.0E+01

1.0E+02

1.0E+03

t(s)

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