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R5973AD Datasheet(PDF) 28 Page - STMicroelectronics

Part # R5973AD
Description  Up to 1.5 A step-down switching regulator for aerospace applications
PDF  38 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

R5973AD Datasheet(HTML) 28 Page - STMicroelectronics

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R5973AD
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DocID027027 Rev 1
Figure 16. Short-circuit current VIN = 24 V
Figure 17. Short-circuit current VIN = 36 V
8.5
Positive buck-boost regulator
The device can be used to implement a step-up/down converter with a positive output
voltage.
The output voltage is given by:
Equation 32
where the ideal duty cycle D for the buck boost converter is:
Equation 33
VOUT
VIN
D
1D
–
-------------
=
D
VOUT
VIN VOUT
+
------------------------------
=



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