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E-L6219DSA View Datasheet(PDF) - STMicroelectronics

Part Name
Description
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E-L6219DSA
ST-Microelectronics
STMicroelectronics ST-Microelectronics
E-L6219DSA Datasheet PDF : 15 Pages
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Block diagram
Figure 2. SO24 pins connection (top view)
L6219DSA
Table 3. Pin functions
Pin #
Name
Description
1, 21
3, 23
4, 22
2, 5
Output of bridge 1 See pins 2, 5
Sense resistor
Connection to lower emitters of output stage for insertion of
current sense resistor
Comparator input
Input connected to the comparators. The voltage across the
sense resistor is feedback to this input throught the low pass
filter RC CC. The higher power transistors are disabled
when the sense voltage exceeds the reference voltage of
the selected comparator. When this occurs the current
decays for a time set by RT CT (toff = 1.1 RT CT). See
Figure 3.
Output Connection. The output stage is a "H" bridge formed
Output of bridge 2 by four transistors and four diodes suitable for switching
applications
6, 7, 18, 19
8, 20
Ground
Input 0
Ground connection, they also conducts heat from die to
printed circuit copper
See Input 1 (pins 9, 17)
9, 17
Input 1
These pins and pins 8, 20 (input 0) are logic inputs which
select the outputs of the comparators to set the current
level. Current also depends on the sensing resistor and
reference voltage. See functional description
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