BTS3256D Infineon Technologies, BTS3256D Datasheet - Page 15

• Manufacturer Part Number: BTS3256D
• Description: IC SWITCH SMART LOWSIDE TO252-5
• Manufacturer: Infineon Technologies
• Series: HITFET®r
• Type: Low Sider

Specifications of BTS3256D

• Input Type: Non-Inverting
• Number Of Outputs: 1
• On-state Resistance: 10 mOhm
• Current - Output / Channel: 7.5A
• Current - Peak Output: 42A
• Voltage - Supply: 5.5 V ~ 30 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 12
While demagnetization of inductive loads, energy has to be dissipated in the BTS 3256D. This energy can be
calculated with following equation:
Following equation simplifies under assumption of R
Figure 13
For maximum single avalanche energy please also refer to E
Datasheet
E
E
=
=
V
1
-- -
2
LI
D(AZ)
L
2
shows the inductance / current combination the BTS 3256D can handle.



Switching off an inductive Load
1
V
------------------------------- - ln 1
–
bb
------------------------------- -
V
–
R
bb
V
L
High
Low
V
V
Von
–
D(AZ)
V
D A Z
bb
bb
V
IN
I
D
D(AZ)






–
---------------------------------
V
bb
R
–
L
V
D AZ
I
L



+
I
L
------
R
L
L
L
= 0
Overtemperature or
short circuit detected
15
AS
value in
“Energies” on Page
Smart Low Side Power Switch
t
t
t
inductive_output_clamp .emf
HITFET - BTS 3256D
Rev. 1.0, 2009-05-05
7.
Power Stage