VIPER318LDTR datasheet(5/39 Pages) STMICROELECTRONICS

5 / 39 page

Figure 2. Rth_JA versus copper area

0.750

0.875

1.000

1.125

1.250

1.375

1.500

100

125

150

175

200

225

A (mm2)

RthJA/(RthJA@ A = 100mm2)

Table 4. Avalanche characteristics

Symbol

Parameter

Condition

Min.

Typ.

Max.

Unit

IAR

Avalanche current

Repetitive and non-repetitive.

Pulse-width limited by TJmax

1.15

EAS

Single pulse avalanche energy(1)

IAS = IAR,

VDS = 100 V,

Starting TJ = 25°C

1. Parameter derived by characterization

2.1

Electrical characteristics

Tj = -40 to 125°C, VCC = 9 V (unless otherwise specified)

Table 5. Power section

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

VBVDSS

Breakdown voltage

IDRAIN = 1 mA, VCOMP = VGND,

TJ = 25°C

800

IDSS

Drain-source leakage current

VDS = 400 V, VCOMP = VGND,

TJ = 25°C

µA

IOFF

OFF state drain current

VDRAIN = max. rating,

VCOMP = VGND, TJ = 25°C

µA

RDS(on)

Static drain-source ON

‑resistance

IDRAIN = 400 mA, TJ = 25°C

3.5

Ω

IDRAIN = 400 mA, TJ = 125°C

Ω

VIPER31

Electrical and thermal ratings

DS13285 - Rev 6

page 5/39

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