L6228 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L6228' PDF : 34 Pages View PDF
L6228
ELECTRICAL CHARACTERISTICS (continued)
(Tamb = 25°C, Vs = 48V, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min Typ Max Unit
IBIAS Input Bias Current at pins VREFA
and VREFB
Over Current Protection
10
µA
ISOVER Input Supply Overcurrent
Protection Threshold
Tj = -25°C to 125°C (7)
2
2.8 3.55
A
ROPDR Open Drain ON Resistance
I = 4mA
40
60
Ω
tOCD(ON) OCD Turn-on Delay Time (13) I = 4mA; CEN < 100pF
200
ns
tOCD(OFF) OCD Turn-off Delay Time (13) I = 4mA; CEN < 100pF
100
ns
(7) Tested at 25°C in a restricted range and guaranteed by characterization.
(8) See Fig. 1.
(9) See Fig. 2.
(10) See Fig. 3.
(11) See Fig. 4.
(12) Measured applying a voltage of 1V to pin SENSE and a voltage drop from 2V to 0V to pin VREF.
(13) See Fig. 5.
Figure 1. Switching Characteristic Definition
EN
Vth(ON)
Vth(OFF)
IOUT
90%
10%
D01IN1316
tD(OFF)EN
tFALL
t
tD(ON)EN
t
tRISE
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