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L6983IQTR Fiches technique(PDF) 45 Page - STMicroelectronics

No de pièce L6983IQTR
Description  38 V, 10 W synchronous iso-buck converter for isolated applications
PDF  56 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6983IQTR Fiches technique(HTML) 45 Page - STMicroelectronics

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Table 9. BOM
Reference
Part number
Description
Value
Manufacturer
U1
L6983NQTR
ST
U2
ZB1346-AE
Transformer
N = 6, 2 kV isolation
Coilcraft
Rs1
0805 SMD resistor
Not mounted
Rs2
0805 SMD resistor
300 Ω
Rb
0603 SMD resistor
0 Ω
Ren1
0603 SMD resistor
100 kΩ
Ren2
0603 SMD resistor
Not mounted
Rfb1
0603 SMD resistor
360 kΩ
Rfb2
0603 SMD resistor
75 kΩ
Rfsw1
0603 SMD resistor
0 Ω
Rfsw2
0603 SMD resistor
Not mounted
Rpg1
0603 SMD resistor
Not mounted
Rpg2
0603 SMD resistor
Not mounted
Rbs
0603 SMD resistor
0 Ω
Rldo
0603 SMD resistor
100 Ω
Cldo
0603 MLCC
1 µF, 50 V
Cff
0603 MLCC
Not mounted
Cbs
0603 MLCC
100 nF, 50 V
Cs1
0603 MLCC
Not mounted
Cs2
0603 MLCC
180 pF, 50 V
Cin1
1206 MLCC
10 µF, 50 V
Cin2, Cin3
0805 MLCC
1 µF, 50 V
Cin4
SMD electrolytic capacitor, 10x10 mm
100 µF, 50 V
Panasonic
Cout, Cout2,
Cout3
1206 MLCC
22 µF, 50 V
Cout4
0603 MLCC
Not mounted
Csec
1206 MLCC
22 µF, 50 V
Cck
0603 MLCC
Not mounted
Cbs
0603 MLCC
Not mounted
D1
STPS1170AY
Schottky diode
VRRM = 170 V, IF = 1 A
ST
EMI input filter
Rf1
0603/0805 SMD resistor
Rf2
0603/0805 SMD resistor
Cf1, Cf2, Cf3
1206 MLCC, 4.7 µF, 50 V
Lf1
MPZ2012S221A
220 Ω Ferrite bead, 100 MHz
Lf2
XGL4030-682ME
6.8 µH coil
Coilcraft
Post regulation circuitry (option 18 V/-5 V)
U3
LDO
Not mounted (DFN6)
ST
R1
0603 SMD resistor
Not mounted (910 Ω)
R2
0603 SMD resistor
Not mounted (220 Ω)
L6983I
Application board
DS14040 - Rev 1
page 45/56



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