DS12978 Rev 1

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VIPer26K

Electrical and thermal ratings

28

2

Electrical and thermal ratings

Table 2. Absolute maximum ratings

Symbol

Pin

Parameter(1),(2)

Value

Unit

Min.

Max.

VDRAIN

13-16

Drain-to-source (ground) voltage

1.05

KV

IDRAIN

Pulse drain current (limited by

TJ = 150 °C)

3A

VDD

5

Supply voltage

-0.3

Internally

limited

V

IDD

5

Input current

20

mA

VFB

7

Feedback pin voltage

-0.3

4.8

V

VCOMP

8

Input pin voltage

-0.3

3.5

V

PTOT

Power dissipation at TA < 60 °C

1.05(3)

W

TJ

Operating junction temperature range

-40

150

°C

TSTG

Storage temperature

-55

150

°C

1. Stresses beyond those listed absolute maximum ratings may cause permanent damage to the device.

2. Exposure to absolute-maximum-rated conditions for extended periods may affect the device reliability.

3. When mounted on a standard single side FR4 board with 100 mm² (0.1552 inch) of Cu (35 μm thick).

Table 3. Thermal data

Symbol

Parameter

Max. value

Unit

RTH-JC

Thermal resistance junction to case (1)

(Dissipated power = 1 W)

10

°C/W

RTH-JC

Thermal resistance junction to case (2)

(Dissipated power = 1 W)

5

°C/W

RTH-JA

Thermal resistance junction ambient (1)

(Dissipated power = 1 W)

120

°C/W

RTH-JA

Thermal resistance junction ambient (2)

(Dissipated power = 1 W)

85

°C/W

1. When mounted on a standard, single side FR4 board with minimum copper area.

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