L6229 Ver la hoja de datos (PDF) - STMicroelectronics
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L6229 Datasheet PDF : 25 Pages
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L6229
Table 6. Electrical Characteristics (continued)
(VS = 48V , Tamb = 25 °C , unless otherwise specified)
Symbol
Parameter
Test Conditions
Min Typ Max Unit
tPULSE Monostable of Time
RPUL = 20kΩ ; CPUL =1nF
RPUL = 100kΩ ; CPUL =1nF
12
µs
60
µs
RTACHO Open Drain ON Resistance
40
60
Ω
Over Current Detection & Protection
ISOVER Supply Overcurrent Protection
Threshold
TJ = -25 to 125°C (6)
2
2.8 3.55 A
ROPDR Open Drain ON Resistance
IDIAG = 4mA
40
60
Ω
IOH OCD high level leakage current
VDIAG = 5V
1
µA
tOCD(ON) OCD Turn-ON Delay Time (9)
IDIAG = 4mA; CDIAG < 100pF
200
ns
tOCD(OFF) OCD Turn-OFF Delay Time (9)
IDIAG = 4mA; CDIAG < 100pF
100
ns
(6) Tested at 25°C in a restricted range and guaranteed by characterization.
(7) See Fig. 4.
(8) Measured applying a voltage of 1V to pin SENSE and a voltage drop from 2V to 0V to pin VREF.
(9) See Fig. 5.
Figure 4. Switching Characteristic Definition
EN
Vth(ON)
Vth(OFF)
IOUT
90%
10%
D01IN1316
tD(OFF)EN
tFALL
Figure 5. Overcurrent Detection Timing Definition
IOUT
ISOVER
t
tD(ON)EN
t
tRISE
ON
BRIDGE
OFF
VDIAG
90%
10%
tOCD(ON)
tOCD(OFF)
D02IN1387
7/25
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