FAN5355 查看數據表（PDF） - Fairchild Semiconductor

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产品描述 (功能)

比赛名单

FAN5355

1A / 0.8A, 3MHz Digitally Programmable TinyBuck™ Regulator

Fairchild Semiconductor 

Timing Diagrams

tF

SDA

SCL

tHD;STA

START

tR

tLOW

tSU;STA

tHIGH

tHD;DAT

TSU;DAT

tHD;STA

REPEATED

START

Figure 5. I2C Interface Timing for Fast and Slow Modes

tBUF

tHD;STO

STOP START

tFDA

tRDA

tSU;DAT

SDAH

tSU;STA

tRCL1

tFCL

tRCL

SCLH

tHD;STA

tLOW

tHIGH

tHD;DAT

REPEATED

START

note A

REPEATED

START

STOP

tSU;STO

= MCS Current Source Pull-up

= RP Resistor Pull-up

Note A: First rising edge of SCLH after Repeated Start and after each ACK bit.

Figure 6. I2C Interface Timing for High-Speed Mode

© 2008 Fairchild Semiconductor Corporation

9

FAN5355 • Rev. 1.0.4

www.fairchildsemi.com

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