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L4992 데이터시트(PDF) 19 Page - STMicroelectronics

부품명 L4992
상세설명  TRIPLE OUTPUT POWER SUPPLY CONTROLLER
PDF  26 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4992 데이터시트(HTML) 19 Page - STMicroelectronics

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L4992
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30 31
32
1
2
3 24
25
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28
19
20
18
16
15
22
10
13
12
9
17
8
6
5
4
7
11
14
L1
R1
VOUT1
5.1V/3A
C3
R3
C16
C7
D1
Q1
Q3
C1
C5
D3
R5
R6
S3
S4
C9
C11
C12
C13
C14
C15
D4
C6
C2
Q2
Q4
C8
D2
T1
PWROK
C18
REG12
R2
R8
R7
S2
S1
R9
C17
D5
R4
C10
C4
VIN=6 to 25V
+-
VOUT2
3.3V/3A
VOUT3
12V/0.12A
D96IN426A
21
Figure 9a: Evaluation Board Circuit.
DESIGN PROCEDURE (continued)
Table 1: L4992 EVAL-KIT parts list
Component
Refer.
Value
Description
Resistors
R1
25m
Ω
1%, 0.5W. DALE. p.n. WSL-2512R0251
R2
20m
Ω
1%, 0.5W. DALE. p.n. WSL-2512R0201
R3, R4
270
Ω
1%,SMD
R5, R6, R7, R8, R9
1M
Ω
SMD
Capacitors
C1, C2
100
µF
20V. SANYO OS-CON. p.n. 20SA100K
C3, C4
220
µF
10V. SANYO OS-CON. p.n. 10SA220K
C5, C6, C12, C13
100
µF
SMD
C7, C8, C15, C16
1
µF
SMD
C9, C10, C11
10nF
SMD
C14, C18
4.7
µF
16V. Tantalum. SMD
C17
15
µF
25V. SANYO OS-CON. p.n. 25SC15M
Magnetics
L1
10
µH
2.65A. SUMIDA. p.n. CDR125-100
T1
10
µH
1:4 ratio. TRANSPOWER. p.n. TTI5902
MOSFET’s
Q1, Q2, Q3, Q4
Si9410DY
SILICONIX
Diodes
D1, D2
TMBYV10-40
ST. MELF package
D3, D4
TMMBAT46
ST. MINIMELF package
D5
SMBYW01-200
ST.SOD6 package
Switches
S1, S2, S3, S4
-
Quad dip-switch
L4992
19/26



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