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參數(shù)資料
| 型號： | TDA7272A |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | High Performance Motor Speed Regulator(高性能電機(jī)調(diào)速器) |
| 中文描述： | 高性能電機(jī)調(diào)速器（高性能電機(jī)調(diào)速器） |
| 文件頁數(shù)： | 11/16頁 |
| 文件大?。?/td> | 192K |
| 代理商： | TDA7272A |
- fast forward, by putting a resistor. In this
case it is necessary that also at the higher
speed for the duty cycle to be significately
less than 1 (see value of R
T
, C
T
on pin 2,
pin 3 sections).
Fig. 19 showsthe functioncontrolledwith a
μ
P.
Figure18.
Pin 18
Right function control. The voltagesappliedto this
pin and to pin 19 determine the function, as
showed in the table.
The typical value of the threshold(L-H) is 1.2 V.
Pin19
Left functioncontrol. (see pin18 sect).
Pin20
Rightspeedadjustment. (seepin 17 sect).
Figure 19.
CONDITION
Pin 18
L
H
L
H
OUTPUT FUNCTION
OUTPUT VOLTAGE
Pin 12
LOW
LOW
REG
HIGH IMP.
Pin 19
L
L
H
H
Pin 9
LOW
REG
LOW
HIGH IMP.
STOP
LEFT
RIGHT
OPEN
Figure20:
Typicalapplication.
TDA7272A
11/16
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