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E-L293DD Datasheet(PDF) 3 Page - STMicroelectronics

Part No. E-L293DD
Description  2.5 A switch step down switching regulator
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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 3 page
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L5973D
Pin settings
3/17
1
Pin settings
1.1
Pin connection
Figure 2.
Pin connection (top view)
1.2
Pin description
OUT
SYNC
INH
COMP
1
3
2
4
VCC
VREF
GND
FB
8
7
6
5
D98IN955
Table 1.
Pin description
NĀ°
Type
Description
1
OUT
Regulator output.
2
SYNC
Master/slave synchronization.
3INH
A logical signal (active high) disables the device. If INH not used the pin
must be grounded. When it is open an internal pull-up disable the
device.
4
COMP
E/A output for frequency compensation.
5FB
Feedback input. Connecting directly to this pin results in an output
voltage of 1.23 V. An external resistive divider is required for higher
output voltages.
6
VREF
3.3 V VREF. No cap is requested for stability.
7
GND
Ground.
8
VCC
Unregulated DC input voltage.




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