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BTS426L1 Datasheet(PDF) 4 Page - Infineon Technologies AG

Part No. BTS426L1
Description  Smart Highside Power Switch
Download  14 Pages
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Maker  INFINEON [Infineon Technologies AG]
Homepage  http://www.infineon.com
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BTS426L1
Parameter and Conditions
Symbol
Values
Unit
at Tj = 25 °C, Vbb = 12 V unless otherwise specified
min
typ
max
Semiconductor Group
4
2003-Oct-01
Protection Functions9)
Initial peak short circuit current limit (pin 3 to 5)
IL(SCp)
Tj =-40°C:
Tj =25°C:
Tj =+150°C:
21
15
11
32
25
17
43
35
24
A
Repetitive short circuit shutdown current limit
IL(SCr)
Tj = Tjt (see timing diagrams, page 10)
--
16
--
A
Output clamp (inductive load switch off)
at VOUT = Vbb - VON(CL)
IL= 40 mA: VON(CL)
41
47
53
V
Thermal overload trip temperature
Tjt
150
--
--
°C
Thermal hysteresis
T
jt
--
10
--
K
Reverse battery (pin 3 to 1) 10)
-Vbb
--
--
32
V
Reverse battery voltage drop (Vout > Vbb)
IL = -4 A
Tj=150 °C: -VON(rev)
--
610
--
mV
Diagnostic Characteristics
Open load detection current
Tj=-40 °C:
(on-condition)
Tj=25 ..150°C:
IL (OL)
20
10
--
--
850
750
mA
Open load detection voltage11) (off-condition) Tj=-40..150°C: VOUT(OL)
2
3
4
V
Internal output pull down
(pin 5 to 1), VOUT=5 V, Tj=-40..150°C
RO
4
10
30
k
9
)
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.
10
) 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 2 and circuit page 7).
11)
External pull up resistor required for open load detection in off state.




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