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L5955 Fiches technique(PDF) 12 Page - STMicroelectronics

No de pièce L5955
Description  Multiple multifunction voltage regulator for car radio
PDF  17 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5955 Fiches technique(HTML) 12 Page - STMicroelectronics

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Functional description
L5955
12/17
Figure 7.
Definition of timing on the I2C Bus.
Figure 8.
Typical application circuit
3.1
Write mode:
S = START condition - SDA goes from high to low while SCL is high
A = Acknowledge - the device being written to, pulls down on data line (SDA) during the
acknowledge clock pulse.
P = STOP condition - SDA goes from low to high while SCL is high.
tBUP
PS
P
SDA
SCL
Sr
tLOW
tR
tF
tHD;DAT
tHD;DAT
tSU;DAT
tSU;STA
tHD;STA
tSU;STO
D99AU1007
tSP
tHIGH
STBY1
STBY2
REG1
REG2
REG3
REG4
REG5
REG6
HSD1
HSD2
HSD3
GND
PGND
TAB1
TAB2
V
BAT1
V
BAT2
V
BAT3_1
V
BAT3_2
EN
SCL
SDA
MRSTDLY
Cslew
0.1
μF
T.B.D.
LVW
STBY1
MRST
LVW_IN
10K
V
BAT1
T.B.D.
T.B.D.
11
17
13
15
9
2
21
7
25
5
23
19
18
20
12
10
24
26
16
22
4
6
8
14
3
1
27
8 x 10
μF
Chip address
Data byte
S
0
A
A
..
..
P
MSB
LSB
MSB
LSB



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