參數(shù)資料
型號(hào)： L6235D
廠商： 意法半導(dǎo)體
英文描述： DMOS DRIVER FOR THREE-PHASE BRUSHLESS DC MOTOR
中文描述： DMOS的驅(qū)動(dòng)三相無(wú)刷直流電動(dòng)機(jī)
文件頁(yè)數(shù)： 6/25頁(yè)
文件大小： 434K
代理商： L6235D
L6235
6/25
(6) Tested at 25°C in a restricted range and guaranteed by characterization.
(7) See Fig. 1.
(8) Measured applying a voltage of 1V to pin SENSE and a voltage drop from 2V to 0V to pin VREF.
(9) See Fig. 2.
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
Switching Characteristics
t
D(on)EN
Enable to out turn-ON delay time
(7)
I
LOAD
= 2.8 A, Resistive Load
110
250
400
ns
t
D(off)EN
Enable to out turn-OFF delay time
(7
)
I
LOAD
= 2.8 A, Resistive Load
300
550
800
ns
t
D(on)IN
Other Logic Inputs to Output Turn-
ON delay Time
I
LOAD
= 2.8 A, Resistive Load
2
μs
t
D(off)IN
Other Logic Inputs to out Turn-OFF
delay Time
I
LOAD
= 2.8 A, Resistive Load
2
μs
t
RISE
Output Rise Time
(7)
I
LOAD
= 2.8 A, Resistive Load
40
250
ns
t
FALL
Output Fall Time
(7)
I
LOAD
= 2.8 A, Resistive Load
40
250
ns
t
DT
Dead Time
0.5
1
μs
f
CP
Charge Pump Frequency
Tj = -25 to 125°C
(6)
0.6
1
MHz
PWM Comparator and Monostable
I
RCOFF
Source current at pin RC
OFF
V
RCOFF
= 2.5 V
3.5
5.5
mA
V
OFFSET
Offset Voltage on Sense
Comparator
V
ref
= 0.5 V
±5
mV
t
prop
Turn OFF Propagation delay
(8)
V
ref
= 0.5 V
500
ns
t
blank
Internal Blanking Time on Sense
Comparator
1
μs
t
ON(min)
Minimum on Time
1.5
2
μs
t
OFF
PWM RecirculationTime
R
OFF
= 20k
; C
OFF
=
1nF
13
μ
s
R
OFF
= 100k
; C
OFF
=
1nF
61
μ
s
I
BIAS
Input Bias Current at pin VREF
10
μA
Tacho Monostable
I
RCPULSE
Source Current at pin RCPULSE
V
RCPULSE
= 2.5V
3.5
5.5
mA
t
PULSE
Monostable of Time
R
PUL
= 20k
; C
PUL
=
1nF
12
μ
s
R
PUL
= 100k
; C
PUL
=
1nF
60
μ
s
R
TACHO
Open Drain ON Resistance
40
60
Over Current Detection & Protection
I
SOVER
Supply Overcurrent Protection
Threshold
T
J
= -25 to 125°C
(6)
4.0
5.6
7.1
A
R
OPDR
Open Drain ON Resistance
I
DIAG
= 4mA
40
60
I
OH
OCD high level leakage current
V
DIAG
= 5V
1
μA
t
OCD(ON)
OCD Turn-ON Delay Time
(9)
I
DIAG
= 4mA; C
DIAG
< 100pF
200
ns
t
OCD(OFF)
OCD Turn-OFF Delay Time
(9)
I
DIAG
= 4mA; C
DIAG
< 100pF
100
ns
ELECTRICAL CHARACTERISTICS
(continued)
(V
S
= 48V , T
amb
= 25 °C , unless otherwise specified)
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