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L6728 Fiches technique(PDF) 28 Page - STMicroelectronics

No de pièce L6728
Description  Single phase PWM controller with PowerGOOD
PDF  32 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6728 Fiches technique(HTML) 28 Page - STMicroelectronics

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5A demo board
L6728
28/32
Table 7.
5A demo board - bill of material
13.1
Board description
13.1.1
Power input (Vin)
This is the input voltage for the power conversion. The High-Side drain is connected to this
input. This voltage can range from 1.5V to 12Vbus.
If the voltage is between 4.5V and 12V it can supply also the device (through the Vcc pin)
and in this case the R16 (0Ohm) resistor must be present.
Qty
Reference
Description
Package
Capacitors
2
C12, C51
MLCC, 10
µF, 16V, X5R
SMD1206
1
C10
MLCC, 100nF, 16V, X7R
SMD0603
2
C14, C38
MLCC, 1
µF, 16V, X7R
SMD0805
1C39
MLCC, 22
µF, 6.3V, X5R
SMD1206
1
C30
330
µF, 6.3V, 6TPF330M9L
SMD7434
2
C23, C36
MLCC, 6.8nF, X7R
SMD0603
1
C24
MLCC, 68nF, X7R
1
C35
MLCC, 220pF, X7R
Resistors
3
R1, R2, R17
Resistor, 3R3, 1/16W, 1%
SMD0603
3
R3, R5, R16
Resistor, 0R, 1/8W, 1%
SMD0805
1
R4
Resistor, 1R8, 1/8W, 1%
1
R14
Resistor, 15R, 1/8W, 1%
2
R6, R9
Resistor, 2K2, 1/16W, 1%
SMD0603
2
R8, R13
Resistor, 3K9, 1/16W, 1%
1
R7
Resistor, 18K, 1/16W, 1%
1
R19
Resistor, 22K, 1/16W, 1%
1
R18
Resistor, 20K, 1/16W, 1%
Inductor
1L1
Inductor, 2,20
µH,
WURTH 744324220LF
na
Active Components
1
D1
Diode, BAT54
SOT23
1
Q5
STS9D8NH3LL
SO8
1
U1
Controller, L6728
DFN10, 3x3mm



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