L6228 STMicroelectronics, L6228 Datasheet - Page 7

• Manufacturer Part Number: L6228
• Description: DMOS DRIVER FOR BIPOLAR STEPPER MOTOR
• Manufacturer: STMicroelectronics

ELECTRICAL CHARACTERISTICS (continued)
(T
(7)
(8)
(9)
(10)
(11)
(12)
(13)
Figure 1. Switching Characteristic Definition
Over Current Protection
t
t
Symbol
OCD(OFF)
OCD(ON)
amb
I
R
SOVER
I
BIAS
OPDR
Tested at 25°C in a restricted range and guaranteed by characterization.
See Fig. 1.
See Fig. 2.
See Fig. 3.
See Fig. 4.
Measured applying a voltage of 1V to pin SENSE and a voltage drop from 2V to 0V to pin VREF.
See Fig. 5.
= 25°C, V
Input Bias Current at pins VREF
and VREF
Input Supply Overcurrent
Protection Threshold
Open Drain ON Resistance
OCD Turn-on Delay Time (13)
OCD Turn-off Delay Time (13)
s
V
V
th(OFF)
= 48V, unless otherwise specified)
I
th(ON)
EN
OUT
90%
10%
B
D01IN1316
Parameter
t
D(OFF)EN
A
T
I = 4mA
I = 4mA; C
I = 4mA; C
j
= -25°C to 125°C
Test Conditions
EN
EN
t
FALL
< 100pF
< 100pF
(7)
t
D(ON)EN
Min
2
t
RISE
Typ
200
100
2.8
40
t
t
Max
3.55
10
60
L6228
Unit
µA
ns
ns
A
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