FAN5355 Fairchild Semiconductor, FAN5355 Datasheet - Page 9

• Manufacturer Part Number: FAN5355
• Description: The FAN5355 device is a high-frequency, ultra-fast transient response, synchronous step-down DC-DC converter optimized for low-power applications using small, low-cost inductors and capacitors
• Manufacturer: Fairchild Semiconductor

© 2008 Fairchild Semiconductor Corporation
FAN5355 • Rev. 1.1.0
Timing Diagrams
SDA
SCL
t
HD;STA
t
F
START
SDAH
SCLH
Note A: First rising edge of SCLH after Repeated Start and after each ACK bit.
t
SU;STA
t
LOW
t
t
R
t
HD;STA
FDA
REPEATED
= MCS Current Source Pull-up
= R
START
P
Resistor Pull-up
t
HIGH
Figure 5. I
t
HD;DAT
Figure 6. I
t
RDA
t
LOW
t
RCL1
note A
2
T
t
C Interface Timing for Fast and Slow Modes
SU;DAT
t
HD;DAT
HIGH
2
t
C Interface Timing for High-Speed Mode
FCL
t
SU;DAT
t
RCL
9
t
SU;STA
t
HD;STA
REPEATED
START
t
SU;STO
REPEATED
START
t
HD;STO
STOP
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STOP
t
BUF
START