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L5952 Datasheet(PDF) 8 Page - STMicroelectronics

Part # L5952
Description  MULTIPLE MULTIFUNCTION VOLTAGE REGULATOR
PDF  15 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5952 Datasheet(HTML) 8 Page - STMicroelectronics

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Figure 3. Timing Chart (typical values)
SOFTWARE SPECIFICATION
Interface Protocol
The interface protocol comprises:
s
A start condition (s)
s
A chip address byte,(LSB bit = 0 for write mode)
s
A subaddress byte.
s
A sequence of data (N-bytes + acknowledge)
A stop condition (P)
ACK = Acknowledge
S = Start
P = Stop
I = Auto Increment
X = Not used
MAX CLOCK SPEED 500kbits/s
CHIP ADDRESS = 10001000 (88 Hex)
3ms
2.55
2.5V
100ms
4.65
7.3
8.35
8.25
VIN
DET3
STCAP
VOUT1
DET1
DET2
HRCAP
SW
on
SW
off
D00AU1176B
Note:
Delay Cap = 1
µF
HR Cap = 1
µF
HR Res = 150K
Ω
S
1
0
0
0
1
0
0
0
ACK
ACK
DATA
ACK
P
MSB
LSB
MSB
LSB
MSB
LSB
CHIP ADDRESS
XI
SUBADDRESS
DATA 1 to DATA n
XX
A3 A2 A1 A0



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