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L7983 Datasheet(PDF) 26 Page - STMicroelectronics

Part # L7983
Description  60 V, 300 mA synchronous step-down switching regulator with 10 μA quiescent current
PDF  43 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L7983 Datasheet(HTML) 26 Page - STMicroelectronics

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 26 / 43 page
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6
Evaluation board
6.1
Schematic and PCB layout
Figure 22. Evaluation board schematic
TP2
VIN
C4
TP5
LX
TP9
RESET
R6
100k
TP11
VCC
R4
TP6
ENABLE
R7
N.M.
TP3
VOUT
C6
100nF
TP4
GND
TP7
LNM-LCM
R10
R8
100k
R5
100k
L1
+
C10
R9
C1
1uF
TP8
GND
TP12
VBIAS
R3
C3
470nF
C5
NM
R1
TP1
GND
U1
L7983
GND
10
VCC
3
VOUT/FB
1
EN/UVLO
7
RESET
6
LNM/LCM
5
VIN
8
VBIAS
2
LX
9
FSW
4
EP
11
C2
R2
VIN
VOUT
VOUT
VCC
LNM-LCM
ENABLE
VIN
LNM-LCM
RESET
ENABLE
VIN
FSW
VBIAS
VCC
VBIAS
VIN
L7983
Evaluation board
DS13354 - Rev 1
page 26/43



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