L6238SQT Ver la hoja de datos (PDF) - STMicroelectronics
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L6238SQT Datasheet PDF : 31 Pages
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L6238S
ELECTRICAL CHARACTERISTICS (Tamb = 0 to 70°C; VA = VPwr = 12V; Vlogic = 5V; unless otherwise
specified)
Symbol
Parameter
Test Condition
GENERAL
Vanalog Analog Supply Voltage
Ianalog
Analog Supply Current
Vlogic
Ilog ic
Logic Supply Voltage
Logic Supply Current
Run Mode VA = 13.5V
Brake Mode VA = 13.5V
Run Mode Vlogic = 5.5V
Brake Mode
THERMAL SHUTDOWN
* Tsd
* Thys
Shut Down Temperature
Recovery Temperature
Hysteresis
* Tew
Early Warning Temperature
POWER STAGE
RDS(on) Output ON Resistance per FET
Io(leak)
VF
dVo/dt
Output Leakage Current
Body Diode Forward Drop
Output Slew Rate (Linear)
Output Slew Rate (PWM)
Tj = 25°C; VA = 10.5V
Tj = 125°C; VA = 10.5V
Vpwr = 15V
Im = 2.0A
Rslew = 100KΩ
Igt
VGate-Drive
VCtrl-Range
Iin(VCtrl)
Gate Drive for Ext. Power
DMOS
Ext Driver Disable Voltage
Voltage Control Input Range
Voltage Control Input Current
Vcontrol = 1V; Vsns = 0V;
VA = 10.5V
PWM OFF-TIME CONTROLLER (Rslew = 100KΩ, Coff = 120pF)
To ff
OFF Time
Vchrg
Capacitor Charge Voltage
VA = 10.5V
Vtrip
Lower Trip Threshold
PWM LIMIT TIMER
Ichrg
Capacitor Charge Current
Vchrg
Capacitor Charge Voltage
Vtrip
Lower Trip Threshold
VPWM Timer = 0V; VA = 10.5V
VA = 10.5V
BEMF AMPLIFIER
ZinCT
Center Tap Imput Impedance
VBemf
Minimum Bemf (Pk-Pk)
CURRENT SENSE AMPLIFIER
Isnsin
Input Bias Current
Gv
Voltage Gain
SR
Slew Rate
VA = 13.5V
Min. Typ. Max. Unit
10.5
13.5
V
1.5
2.7
4.5
mA
280 800
µA
4.5
5.0
5.5
V
1
2
3.2
mA
100 500 1000 µA
150
180
°C
30
°C
Tsd-25
°C
0.20 0.26
Ω
0.40
Ω
1
mA
1.5
V
0.15 0.30 0.45 V/µs
10
150 V/µs
4.5
mA
0.7
V
0
5.0
V
10
µA
9
11
14
µs
2.31 2.65 3.1
V
1.25
V
10.0 20.0
30
µA
3.0
3.5
4.0
mV
100 400
V
20
30
40
KΩ
60
mV
3.8
4.0
0.33 0.8
10
µA
4.2
V/V
V/µs
6/31
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