LT3669 View Datasheet(PDF) - Linear Technology

Part Name

Description

Manufacturer

LT3669

IO-Link Transceiver with Integrated Step-Down Regulator and LDO

Linear Technology 

TIMING DIAGRAMS

IPD

WAKE-UP

DETECT

RPD

CQ1

VDD

WAKE

RPU

CQ1

TXD1

IPD

TXEN1

TXD1

TXEN1 TXD1

TXEN1

WAKE

LT3669/LT3669-2

100mA

tWU*

VL+ – VRQH

tDWU

VDD / 2

500mA

0mA

VL+

VL+ – 3V

0V

tHZD

VDD

VDD / 2

0V

VDD / 2

VDD

0V

tLZW

VDD

VDD / 2

0V

IPU

VL+

IPU

VL+ RPU

CQ1

WAKE-UP

DETECT

VDD

WAKE

RPU

CQ1

TXD1

TXEN1

TXD1

TXEN1 TXD1

TXEN1

WAKE

100mA

tWU

VRQL

tDWU

VDD / 2

* tWU is the width of the applied wake-up pulse >tDWU

500mA

0mA

VL+

3V

tLZD

VDD / 2

VDD / 2

tLZW

VDD / 2

0V

VDD

0V

VDD

0V

VDD

0V

36692 F07

Figure 7. Wake-Up Waveforms

For more information www.linear.com/LT3669

3669fa

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