BTS441RG datasheet(5/12 Pages) INFINEON

5 / 12 page

BTS 441 R

Infineon Technologies AG

2003-Oct-01

Parameter and Conditions

Symbol

Values

Unit

at Tj =-40...+150°C, Vbb = 12 V unless otherwise specified

min

typ

max

Protection Functions10)

Current limit (pin 3 to 5)

Tj =-40°C:

IL(lim)

(see timing diagrams, page 9)

Tj =25°C:

Tj =+150°C:

Repetitive short circuit current limit

IL(SCr)

Tj = Tjt (see timing diagrams, page 10)

Thermal shutdown time11)12)

Tj,start =25°C:

(see timing diagram on page 10)

Toff(SC)

Output clamp (inductive load switch off)

;Tj =-40°C:

at VOUT = Vbb - VON(CL), IL= 40 mA

Tj=25..150°C: VON(CL)

Thermal overload trip temperature

Tjt

150

°C

Thermal hysteresis

∆T

Reverse battery (pin 3 to 1) 13)

-Vbb

Reverse battery voltage drop (V

OUT > Vbb)

IL = -2A

Tj =+150°C:

-VON(rev)

540

) Integrated protection functions are designed to prevent IC destruction under fault conditions described in the

data sheet. Fault conditions are considered as "outside" normal operating range. Protection functions are not

designed for continuous repetitive operation.

11) not subject to production test, specified by design

12) Device on 50mm*50mm*1.5mm epoxy PCB FR4 with 6cm2 (one layer, 70

µm thick) copper area for Vbb

connection. PCB is vertical without blown air.

13) Requires 150

Ω resistor in GND connection. The reverse load current through the intrinsic drain-source

diode has to be limited by the connected load. Note that the power dissipation is higher compared to normal

operating conditions due to the voltage drop across the intrinsic drain-source diode. The temperature

protection is not active during reverse current operation! Input and Status currents have to be limited (see

max. ratings page 1 and circuit page 7).

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