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L6732 Datasheet(PDF) 26 Page - STMicroelectronics

Part # L6732
Description  Adjustable step-down controller with synchronous rectification
PDF  33 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6732 Datasheet(HTML) 26 Page - STMicroelectronics

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L6732 demoboard
L6732
26/33
7
L6732 demoboard
7.1
Description
L6732 demoboard realizes in a four layer PCB a step-down DC/DC converter and shows the
operation of the device in a general purpose application. The input voltage can range from 4.5V
to 14V and the output voltage is at 3.3V. The module can deliver an output current in excess of
20A. The switching frequency is set at 250 KHz (controller free-running FSW) but it can be set to
500KHz acting on the EAREF pin.
Figure 20. Demoboard schematic
Table 6.
Demoboard part list
Reference
Value
Manufacturer
Package
Supplier
R1
1k
Ω
Neohm
SMD 0603
IFARCAD
R2
1k
Ω
Neohm
SMD 0603
IFARCAD
R3
4K7
R4
2k7
Neohm
SMD 0603
IFARCAD
R5
0
Ω
Neohm
SMD 0603
IFARCAD
R6
N.C.
Neohm
SMD 0603
IFARCAD
R7
2K
Neohm
SMD 0603
IFARCAD
R8
10
Ω
Neohm
SMD 0603
IFARCAD
R9
1K5
Neohm
SMD 0603
IFARCAD
R10
2.2
Ω
Neohm
SMD 0603
IFARCAD
R11
2.2
Ω
Neohm
SMD 0603
IFARCAD



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