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參數(shù)資料
| 型號： | L6227D |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | DUAL DMOS FULL BRIDGE MOTOR DRIVER |
| 中文描述： | 雙DMOS全橋電機(jī)驅(qū)動(dòng) |
| 文件頁數(shù)： | 6/11頁 |
| 文件大小： | 105K |
| 代理商： | L6227D |
L6227
6/11
(5) Resistive load used. See Fig. 1.
(6) Defined as the time between the voltage at the input of the current sense reaching the V
ref
threshold and the lower DMOS switch begin-
ning to turn off. The voltage at SENSE pin is increased instantaneously from V
ref
-10 mV to V
ref
+10 mV.
UVLO comp
V
th(ON)
Turn ON threshold
6.6
7
7.4
V
V
th(OFF)
Turn OFF threshold
5.6
6
6.4
V
Logic Input
V
INL
Low level logic input voltage
-0.3
0.8
V
V
INH
High levellogic input voltage
2
7
V
I
INH
High levellogic input current
V
IN, EN
= 5 V
70
μ
A
I
INL
Low level logic input current
V
IN, EN
= GND
-10
μ
A
Over Current Protection
I
S OVER
Input supply overcurrent protection
threshold
-25
°
C<T
j
<125
°
C
2
2.8
3.55
A
V
DIAG
Open drain low level output voltage I = 4 mA
0.4
V
Comparator and Monostable
I
RCA,
RCB
Source current at RC
A
/INH and
RC
B
pins
V
RCA/INH
, V
RCA
= 2.5 V
3
5
mA
V
ref
Input common mode comparator
voltage range
-0.1
5
V
V
th
Comparator threshold voltage on
SENSE pins
V
ref A, B
= 0.5 V
V
ref
-
5mV
V
ref
+
5mV
t
prop
Turn OFF propagation delay
(6)
V
ref A, B
= 0.5 V
0.1
0.2
0.3
μ
s
t
OFF
PWM Recirculation time
20 k
< R < 100 k
0.1 nF < C < 100 nF
0.67RC 0.69RC
0.71RC
s
I
bias
Input bias current at V
ref
pins
0.2
μ
A
Inhibit
INH
th
Voltage threshold at the RC
A
/INH
pin to enable the inhibit function
-25
°
C<T
j
<125
°
C
1
1.25
1.5
V
t
dINHON
Delay time to enable the inhibit
function
1.25
1.5
μ
s
t
dINHOFF
Delay time to disable the inhibit
function
R = 20k
C = 1
μ
F
50
μ
s
I
inh
Quiescent current in inhibit
condition
V
RCA/INH
< 0.4V
1.1
mA
I
RCA
Source current at RC
A
/INH pin
V
RCA/INH
= 5V
V
RCA/INH
< 0.35V
500
100
μ
A
μ
A
I
RCB
Source current at RC
B
pin
V
RCB
= 5V, Inhibit inactive
V
RCB
= 5V, Inhibit active
500
1
μ
A
μ
A
ELECTRICAL CHARACTERISTICS
(continued)
(T
amb
= 25
°
C,V
s
= 48V, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
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