ITS4142N Infineon Technologies, ITS4142N Datasheet - Page 11

• Manufacturer Part Number: ITS4142N
• Description: IC SWITCH HISIDE SMART SOT223-4
• Manufacturer: Infineon Technologies
• Series: miniPROFET®r
• Type: High Sider

Specifications of ITS4142N

• Input Type: Non-Inverting
• Number Of Outputs: 1
• On-state Resistance: 150 mOhm
• Current - Output / Channel: 1.4A
• Current - Peak Output: 3A
• Voltage - Supply: 12 V ~ 45 V
• Operating Temperature: -30°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-223 (3 leads + Tab), SC-73, TO-261
• Power Load Switch Type: High Side
• Input Voltage: 45V
• Current Limit: 2.2A
• On Resistance Rds(on): 0.2ohm
• Thermal Protection: ESD
• Power Dissipation Pd: 1.4W
• No. Of Outputs: 1
• Internal Switch: No
• Distribution: RoHS Compliant
• On State Resistance: 0.15ohm
• Rohs Compliant: Yes
• Distribution Switch Case Style: SOT-223
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ITS4142N; ITS4142NTR; SP000221218

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 4142N
R
L
|
V
I
L
O U T C L
L
*
2
R
(
L
)
|
)