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L4992 Datasheet(PDF) 24 Page - STMicroelectronics

Part # L4992
Description  TRIPLE OUTPUT POWER SUPPLY CONTROLLER
PDF  26 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4992 Datasheet(HTML) 24 Page - STMicroelectronics

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L4992
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7
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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
VOUT2
3.3V/3A
VOUT3
12V/0.12A
D98IN813
21
12V BUS
5V BUS
APPLICATION IDEAS
Figure 22: Application with Split Supply
L4992
22
7(18)
5(20)
6(19)
RB
Rsense
RA
R3(R4)
C9
(C10)
C18
12V
MIN.
LOAD
VO <5.1V
(VO <3.3V)
D98IN814
RB BALANCES ZCD COMPARATOR
Figure 23: Low output voltage.
L4992
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