BTS840S2NT Infineon Technologies, BTS840S2NT Datasheet - Page 11

• Manufacturer Part Number: BTS840S2NT
• Manufacturer: Infineon Technologies

Specifications of BTS840S2NT

• Switch Type: High Side
• Power Switch Family: BTS840
• Input Voltage: -10 to 16V
• Power Switch On Resistance: 14mOhm
• Output Current: 22A
• Number Of Outputs: Dual
• Mounting: Surface Mount
• Supply Current: 1.2mA
• Package Type: DSO
• Operating Temperature (min): -40C
• Operating Temperature (max): 150C
• Operating Temperature Classification: Automotive
• Pin Count: 20
• Power Dissipation: 3.8W
• Lead Free Status / Rohs Status: Not Compliant

Timing diagrams
Both channels are symmetric and consequently the diagrams are valid for channel 1 and
channel 2
Figure 1a: Switching a resistive load,
change of load current in on-condition:
Figure 1b: V
proper turn on under all conditions
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The sense signal is not valid during settling time after turn or
change of load current.
IN
ST
V
V
V
IN2
V
I
I IS
IN1
ST1 open drain
ST2 open drain
OUT1
L
OUT
OUT2
bb
bb
t
don(ST)
t
on
turn on:
t
Load 1
son(IS)
t
slc(IS)
Load 2
t
soff(IS)
t
doff(ST)
t
t
off
slc(IS)
t
t
11
Figure 2a: Switching a resistive load,
turn-on/off time and slew rate definition:
Figure 2b: Switching a lamp:
10%
90%
The initial peak current should be limited by the lamp and not by
the current limit of the device.
V
IN
I
OUT
L
ST
V
I
IN
L
OUT
dV/dton
t
on
t
BTS 840 S2
off
2003-Oct-01
dV/dtoff
t
t