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L6228Q 데이터시트(PDF) 7 Page - STMicroelectronics

부품명 L6228Q
상세설명  DMOS driver for bipolar stepper motor
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L6228Q
Electrical characteristics
Doc ID 14321 Rev 4
7/32
3
Electrical characteristics
Table 5.
Electrical characteristics (TA = 25 °C, Vs = 48 V, unless otherwise specified)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
VSth(ON)
Turn-on threshold
5.8
6.3
6.8
V
VSth(OFF)
Turn-off threshold
5
5.5
6
V
IS
Quiescent supply current
All bridges OFF;
TJ = -25 °C to 125 °C
(1)
510
mA
Tj(OFF)
Thermal shutdown temperature
165
°C
Output DMOS transistors
RDS(on)
High-side + low-side switch ON
resistance
TJ = 25 °C
1.47
1.69
Ω
TJ =125 °C
(1)
2.35
2.70
Ω
IDSS
Leakage current
EN = Low; OUT = VS
2mA
EN = Low; OUT = GND
-0.3
mA
Source drain diodes
VSD
Forward ON voltage
ISD = 1.4 A, EN = LOW
1.15
1.3
V
trr
Reverse recovery time
If = 1.4 A
300
ns
tfr
Forward recovery time
200
ns
Logic inputs (EN, CONTROL, HALF/FULL, CLOCK, RESET, CW/CCW)
VIL
Low level logic input voltage
-0.3
0.8
V
VIH
High level logic input voltage
2
7
V
IIL
Low level logic input current
GND logic input voltage
-10
µA
IIH
High level logic input current
7 V logic input voltage
10
µA
Vth(ON)
Turn-on input threshold
1.8
2.0
V
Vth(OFF)
Turn-off input threshold
0.8
1.3
V
Vth(HYS)
Input threshold hysteresis
0.25
0.5
V
Switching characteristics
tD(ON)EN
Enable to output turn-on delay
time (2)
ILOAD =1.4 A, resistive load
500
650
800
ns
tD(OFF)EN
Enable to output turn-off delay time (2)
500
800
1000
ns
tRISE
Output rise time (2)
40
250
ns
tFALL
Output fall time (2)
40
250
ns
tDCLK
Clock to output delay time (3)
2µs
tCLK(min)L
Minimum clock time (4)
1µs
tCLK(min)H
Minimum clock time (4)
1µs


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