LTC4318

2

4318fa

For more information www.linear.com/LTC4318

absoluTe MaxiMuM raTings

orDer inForMaTion

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC4318CUF#PBF

LTC4318CUF#TRPBF

4318

20-Lead (4mm × 4mm) Plastic QFN

0°C to 70°C

LTC4318IUF#PBF

LTC4318IUF#TRPBF

4318

20-Lead (4mm × 4mm) Plastic QFN

–40°C to 85°C

Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/. Some packages are available in 500 unit reels through

designated sales channels with #TRMPBF suffix.

pin conFiguraTion

Input Voltages

ENABLEn...................................................... –0.3V to 6V

Output Voltages

READYn ....................................................... –0.3V to 6V

Output Currents

READYn, SDAOUTn................................................50mA

Input/Output Voltages

SCLINn, SCLOUTn, SDAINn, SDAOUTn........ –0.3V to 6V

Operating Temperature Range

LTC4318C ................................................ 0°C to 70°C

LTC4318I .............................................–40°C to 85°C

Storage Temperature Range .................. –65°C to 150°C

(Notes 1, 2)

20 19 18 17 16

6

7

8

TOP VIEW

21

GND

UF PACKAGE

20-LEAD (4mm

× 4mm) PLASTIC QFN

9 10

5

4

3

2

1

11

12

13

14

15

XORH2

XORL2

XORH1

XORL1

SCLIN1

SCLOUT1

SDAOUT1

SDAIN1

SDAIN2

EXPOSED PAD (PIN 21) IS GND, PCB CONNECTION OPTIONAL