參數(shù)資料
型號: L6219R
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: STEPPER MOTOR DRIVER
中文描述: 步進(jìn)電機(jī)驅(qū)動(dòng)器
文件頁數(shù): 4/10頁
文件大小: 115K
代理商: L6219R
L6219R
4/10
*) I
CEX
is the sum of the leakage of the power switch and recirculation diode.
Figure 1.
V
REF
Reference Voltage
Operating
1.5
-
2
V
I
SS(ON)
Total Logic Supply Current
I
o
= I
1
= 0.8V, No Load
-
44
60
mA
I
SS(OFF)
Total Logic Supply Current
I
o
= I
1
= 2.4V, No Load
-
10
14
mA
COMPARATORS
V
REF
/
V
sense
Current Limit Threshold (at trip
point)
I
o
= I
1
= 0.8V
9.5
10
10.5
-
I
o
= 2.4V, I
1
= 0.8V
13.5
15
16.5
-
I
o
= 0.8V, I
1
= 2.4V
25.5
30
34.5
-
t
off
Cutoff Time
R
t
= 56K
C
t
= 820pF
-
50
μ
s
t
d
Turn Off Delay
Fig. 1
-
1
μ
s
PROTECTION
T
J
Thermal Shutdown Temperature
-
170
-
°C
ELECTRICAL CHARACTERISTICS
(continued)
(T
j
= 25°C, V
S
= 4.5V, V
SS
= 4.75V to 5.25V, V
REF
= 2V; unless otherwise specified) See fig. 3
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
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