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L4963 Datasheet(PDF) 12 Page - STMicroelectronics

Part # L4963
Description  1.5A SWITCHING REGULATOR
PDF  17 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4963 Datasheet(HTML) 12 Page - STMicroelectronics

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Figure 26: Evaluation Board Circuit
PART LIST
CAPACITOR
C1
1000
µF 50V EKR (*)
C2
2.2mF 16V
C3
1000
µF 40V with low ESR
C4
1
µF 50V film
RESISTOR
R1
1K
Ω
R2
51K
Ω
R3
1K
Ω
R4
1K
Ω
R5, R6
see table
Resistor Values for Standard Output Voltages
VO
R6
R5
12
4.7K
Ω
6.2K
Ω
15
4.7K
Ω
9.1KW
18
4.7K
Ω
12KW
24
4.7K
Ω
18KW
Diode: BYW98
Core: L= 40
µH Magnetics58121-A2MPP34 Turns
0.9mm (20AWG)
(*) Minimum 100
µFif Vi is a preregulated offline SMPS output or 1000µF if a 50Hz transformer plus rectifiers is used.
L4963 - L4963D
12/17



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