LTC4309IGN-PBF View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC4309IGN-PBF

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

Linear Technology 

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LTC4309

APPLICATIONS INFORMATION

VCC

R1 R2 R3 R4

2.7k 2.7k 10k 10k

SDA1

SCL1

C1

0.01MF

C2

0.01MF

VCC VCC2

DISCEN

ENABLE

READY

LTC4309

FAULT

SDAOUT SDAIN

SCLOUT SCLIN

ACC GND

R5 R6

2.7k 2.7k

C3

0.01MF

C4

0.01MF

VCC2 VCC

DISCEN

ENABLE

READY

LTC4309

FAULT

SDAIN SDAOUT

SCLIN SCLOUT

GND ACC

C5

R7 R8 R9 R10 R11 R12 0.01MF

10k 10k 2.7k 2.7k 10k 10k

C6

0.01MF

VCC

R13 R14

2.7k 2.7k

VCC VCC2

DISCEN

ENABLE

READY

LTC4309

FAULT

SDAOUT SDAIN

SCLOUT SCLIN

ACC GND

4309 F05

SDA2

SCL2

Figure 7. The LTC4309 in a Repeater Application. The LTC4309’s Low Offset Allows Cascading of Multiple Devices.

2.5V

R1 R2

2.7k 2.7k

SDA1

SCL1

C2

0.01μF

VCC2

VCC

DISCEN

ENABLE

READY

LTC4309

FAULT

SDAIN

SDAOUT

SCLIN

GND

SCLOUT

ACC

4309 F06

3.3V

5V

R3 R4 R5 R6

10k 10k 10k 10k

SDA2

SCL2

Figure 8. The LTC4309 in a level shifting application where the bus supplies are different from VCC.

4309fa

14

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