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L6728AH Datasheet(PDF) 22 Page - STMicroelectronics

Part # L6728AH
Description  High frequency single phase PWM controller with Power Good
PDF  33 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6728AH Datasheet(HTML) 22 Page - STMicroelectronics

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20 A demonstration board
L6728AH
22/33
Doc ID 15726 Rev 1
Table 6.
20A demonstration board - bill of material (common components)
Qty
Reference
Description
Package
Capacitors
2C1, C2
Electrolytic capacitor 1800
μF 16 V
Sanyo P/N 16ME1800WG
Radial 10 x 23 mm
1C10
MLCC, 100 nF, 50 V, X7R
Murata GRM188R71H104K
SMD0603
3
C11 to C13
MLCC, 4.7
μF, 16 V, X7R
Murata GRM31CR71C475K
SMD1206
2C14, C38
MLCC, 1
μF, 16 V, X7R
Murata GRM21BR71C105K
SMD0805
48
C3 to C9, C15 to C20, C39 to
C59, C36, C37, C21 to C23,
C25 to C29, C31 to C34
Not mounted
N.A.
1C30
POSCAP 470
μF, 6.3 V, 10 mΩ
Sanyo P/N 6TPD470M
SMD1206
1C24
MLCC, 47 nF, 50 V, X7R
Murata GRM188R71H473K
SMD0603
1C35
MLCC, 100 pF, 50 V, X7R
Murata GRM188R71H101K
Resistors
4
R1, R2, R20, R17
Resistor, 2R2, 1/16W, 1%
SMD0603
5
R3, R5, R11, R12, R16
Resistor, 0R, 1/8W, 1%
SMD0805
5
R4, R10, R14, R15, R21
Not mounted
N.A.
1
R19
Resistor, 22 K, 1/16W, 1%
SMD0603
1
R18
Resistor, 18 K, 1/16W, 1%
Inductor
1L1
Wurth SMD power inductor
670 nH - 1.75 m
Ω - 40 A
P/N 744-315-067
N.A.
1L2
Not mounted
Active components
1
D1
Diode, 1N4148
SOT23
5
Q1 to Q4, Q8
Not mounted
N.A.
1
Q5
STD70NH02L
DPACK
1
Q7
STD95NH02L
1
U1
Controller, L6728AH
VFQFPN10,
3x3 mm



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