參數(shù)資料
型號(hào): L6228N
廠商: STMICROELECTRONICS
元件分類(lèi): 運(yùn)動(dòng)控制電子
英文描述: STEPPER MOTOR CONTROLLER, 2.8 A, PDIP24
封裝: POWER, DIP-24
文件頁(yè)數(shù): 10/26頁(yè)
文件大小: 451K
代理商: L6228N
L6228
18/26
Figure 21. tDISABLE versus CEN and REN (VDD = 5V).
Figure 22. tDELAY versus CEN (VDD = 5V).
THERMAL PROTECTION
In addition to the Ovecurrent Protection, the L6228 integrates a Thermal Protection for preventing the device
destruction in case of junction over temperature. It works sensing the die temperature by means of a sensible
element integrated in the die. The device switch-off when the junction temperature reaches 165°C (typ. value)
with 15°C hysteresis (typ. value).
1
1 0
100
1
10
100
1 .10
3
C EN [n F ]
t DIS
AB
L
E
[
s]
R EN = 2 2 0 k
R EN = 1 0 0 k
R EN = 4 7 k
R EN = 3 3 k
R EN = 1 0 k
1
1 0
100
1
10
100
1 .10
3
C EN [n F ]
t DIS
AB
L
E
[
s]
R EN = 2 2 0 k
R EN = 1 0 0 k
R EN = 4 7 k
R EN = 3 3 k
R EN = 1 0 k
1
10
100
0.1
1
10
Cen [nF]
td
el
ay
[
s]
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