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AN3115 Datasheet(PDF) 12 Page - STMicroelectronics

Part # AN3115
Description  LNB power supply based on the LNBH23L supply and control IC with step-up and I²C interface
PDF  28 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN3115 Datasheet(HTML) 12 Page - STMicroelectronics

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Component selection guidelines
AN3115
12/28
Doc ID 16830 Rev 3
Table 5.
LNBH23L demo-board BOM list
Index
Quantity
Reference
Value / generic part number
Package
1
1
R2
15 k
Ω 1/8 W (see Section 2.2)
1206
2
1
R5
2.2 k
Ω 1/8 W (see Section 2.7)1206
3
1
R7
22
Ω 1/2 W (see Section 2.7)1206
4
1
R8
150
Ω 1/2 W (see Section 2.7)1206
5
1
R9
1.5 k
Ω 1/8 W (see Section 2.8)1206
6
3
C8, C10, C11
0.22 µF
1206
7
1
C15
47 nF
1206
8
1
C14
1 nF
1206
9
2
C4, C6
0.47 µF (See Section 2.5)1206
10
1
C1
100 µF > 25 V ESR = 150 m
Ω ÷ 350 mΩ Higher
value is suitable (see Section 2.6)
El.Al. Radial
11
1
C3
220µF > 25 V ESR = 150 m
Ω ÷ 350 mΩ (see
Section 2.5)
El.Al. Radial
12
1
L1
22 µH Inductor with ISAT > IPEAK (see Section 2.1)Radial
13
1
D1
STPS130A (see Section 2.3)SMB
14
1
D2
BAT43 (or any Schottky diode with IF(AV) > 0.2 A,
VRRM > 25 V) or BAT30, BAT54, TMM BAT43,
1N5818 (See Section 2.9)
DO-35
15
1
D3
1N4001/1N4007 or equivalent
DIODE-0.4
16
1
IC1
LNBH23L
QFN32
17
1
TR1
BC817
SOT23-3L
18
1
D8
1N4148
SMD
19
2
CN3, CN4
Strip 4p M
HDR1X4
20
2
CN2, CN5
Strip 3p M
HDR1X3
21
3
JP1, 3.3V, CN1
Strip 2p M
HDR1X2



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