BSP 350

Semiconductor Group

Page 3

08.04.97

Parameter and Conditions

Symbol

Values

Unit

at

min

typ

max

Protection Functions

Current limit (pin 2 to 3)

0.2

0.1

0.5

--

1

1.2

A

Thermal overload trip temperature

150

--

--

°C

Thermal hysteresis

∆T

jt

--

20

--

K

Overvoltage protection

50

56

--

V

Output clamp (ind. load switch off)

at

--

56

--

V

Inductive load switch-off energy dissipation

--

--

5mJ

Reverse battery resistor (pin 1 to 2)

--

1

--

k

Ω

Reverse Diode

Continious reverse drain current

--

--

0.2

A

Pulsed reverse drain current

--

--

0.8

A

Diode forward on voltage

--

0.9

1.2

V

5

)

load current limits onset at IL * Ron approx. 1V

short circuit protection: combination of current limit and thermal overload switch off

6

)

while demagnetizing load inductance, dissipated energy is

approx.

2

L

* (

)