VIPER38HD datasheet(7/31 Pages) STMICROELECTRONICS

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DocID025703 Rev 2

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VIPER38

Electrical characteristics

‘

Table 3. Absolute maximum ratings

Symbol

Parameter

Value

Unit

Min

Max

VDRAIN Drain-to-source (ground) voltage

800

IDRAIN

Pulse drain current (limited by TJ = 150 °C)

VCONT Control input pin voltage

-0.3

VFB

Feedback voltage

-0.3

5.5

VEPT

EPT input pin voltage

-0.3

VDD

Supply voltage (IDD = 25 mA)

-0.3

Self limited

IDD

Input current

PTOT

Power dissipation at TA < 60 °C

1.5

Operating junction temperature range

-40

150

°C

TSTG

Storage temperature

-55

150

°C

Table 4. Thermal data

Symbol

Parameter

Max

Unit

SDIP10

SO16N

RthJP

Thermal resistance junction pin

(dissipated power = 1 W)

°C/W

RthJA

Thermal resistance junction-to-ambient

(dissipated power = 1 W)

100

110

°C/W

RthJA

Thermal resistance junction-to-ambient (1)

(dissipated power = 1 W)

When mounted on a standard, single side FR4 board with 100 mm2 (0.155 sq in) of Cu (35 µm thick).

°C/W

Table 5. Avalanche ratings

Symbol

Parameter

Test condition

Value

Unit

IAS

Avalanche current

Repetitive or non repetitive

(pulse width limited by TJmax)

1.15

EAS

Single pulse avalanche

energy(1)

Specification assured by design and characterization.

ID = IAS, VDS=100 V

starting TJ = 25°C

5mJ

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