ITS4141NXT Infineon Technologies, ITS4141NXT Datasheet - Page 11

• Manufacturer Part Number: ITS4141NXT
• Manufacturer: Infineon Technologies

Specifications of ITS4141NXT

• Switch Type: High Side
• Power Switch Family: ITS 4141
• Input Voltage: -10 to 48V
• Power Switch On Resistance: 150mOhm
• Output Current: 700mA
• Number Of Outputs: Single
• Mounting: Surface Mount
• Supply Current: 1mA
• Package Type: SOT-223
• Operating Temperature (min): -30C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Commercial
• Pin Count: 3 +Tab
• Power Dissipation: 1.4W
• Lead Free Status / Rohs Status: Compliant

V
V
GND disconnect
GND disconnect with GND pull up
V
V bb disconnect with charged inductive
load
bb
bb
bb
V
IN
high
V
IN
IN
IN
IN
PROFET
PROFET
GND
GND
V
PROFET
V
bb
GND
bb
V
V
bb
GND
V
GND
OUT
OUT
OUT
Page 11
E
Inductive Load switch-off energy
dissipation
Energy stored in load inductance: E
While demagnetizing load inductance,
E
with an approximate solution for R
=
the enérgy dissipated in PROFET is
A S
AS
= E
E
2
bb
I
L
bb
*
*
R
+ E
L
L
IN
* (
L
- E
V
PROFET
b b
R
GND
V
= V
bb
|
V
O U T C L
ON(CL)
OUT
(
E AS
)|
Z
) * ln (
L
* i
L
{
R
L
L
L
> 0 :
L
(t) dt,
= ½ * L * I
2006-03-09
1
E
E
E Load
ITS 4141N
R
L
|
V
I
L
O U T C L
L
*
2
R
(
L
)
|
)