LTC4309CGN-TRPBF Просмотр технического описания (PDF) - Linear Technology

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LTC4309CGN-TRPBF

Level Shifting Low Offset Hot Swappable 2-Wire Bus Buffer with Stuck Bus Recovery

Linear Technology 

LTC4309

PIN FUNCTIONS (DE12/GN16)

VCC (Pin 12/Pin 16): Supply Voltage Input. Bypass this

pin to GND with a capacitor of at least 0.01μF and place

close to VCC for best results.

EXPOSED PAD (Pin 13 DE12 Package Only): Exposed Pad

may be left open or connected to device ground.

BLOCK DIAGRAM

VCC2

VCC2

8mA

SDAIN

IBOOSTSDA

SLEW RATE

DETECTOR

100k

CONNECT

VCC

8mA

IBOOSTSDA

VCC

SDAOUT

SLEW RATE

DETECTOR

100k

100k

SCLIN

VCC2

8mA

IBOOSTSCL

PRECHARGE

PC

CONNECT

PC

CONNECT

CONNECT

VCC

8mA

IBOOSTSCL

100k

SCLOUT

ACC

DISCEN

ENABLE

4309 BD

SLEW RATE

DETECTOR

+

1.65V/1.6V

1.35V/1.3V

–

+

1.65V/1.6V

1.35V/1.3V

–

+

1.4V/1.3V –

UVLO

SLEW RATE

DETECTOR

30ms

TIMER

1.65V/1.6V

1.35V/1.3V

1.65V/1.6V

1.35V/1.3V

FAULT

LOGIC

IBOOSTSCL

IBOOSTSDA

PC CONNECT

CONNECT

READY

95μs

DELAY

CONNECT

GND

4309fa

7

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