LTC4331

3

Rev 0

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PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

Supply Voltages

VCC........................................................... –0.3V to 6V

VL ............................................................ –0.3V to 6V

Logic Signals

ON, LINK, RDY, SCL, SDA,

ALERT, SLO .............................................. –0.3V to 6V

REMOTE, A1, A2, CTRL,

SPEED1, SPEED2................ –0.3V to 6.3 or VL + 0.3V

Interface I/O: A,B ........................................ –60V to 60V

Operating Ambient Temperature Range

LTC4331C ................................................ 0°C to 70°C

LTC4331I .............................................–40°C to 85°C

LTC4331H.......................................... –40°C to 125°C

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

Lead Temperature (Soldering, 10 sec)...................300°C

(Note 1)

20 19 18 17

7

8

TOP VIEW

21

GND

UFD PACKAGE

20-LEAD (4mm × 5mm) PLASTIC QFN

TJMAX = 150°C, θJA = 43°C/W, θJC = 3.4°C/W

EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB

9 10

6

5

4

3

2

1

11

12

13

14

15

16

VCC

VL

ON

REMOTE

LINK

RDY

GND

SPEED2

SPEED1

CTRL

A2

A1

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC4331CUFD#PBF

LTC4331CUFD#TRPBF

4331

20-Lead (4mm × 5mm) Plastic QFN

0°C to 70°C

LTC4331IUFD#PBF

LTC4331IUFD#TRPBF

4331

20-Lead (4mm × 5mm) Plastic QFN

–40°C to 85°C

LTC4331HUFD#PBF

LTC4331HUFD#TRPBF

4331

20-Lead (4mm × 5mm) Plastic QFN

–40°C to 125°C

Contact the factory for parts specified with wider operating temperature ranges.

Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.

ELECTRICAL CHARACTERISTICS

SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Supplies

VCC

Operating Supply Range

l

3

5.5

V

ICC

Operating Supply Current

Low Power: ON = 0

Idle: ON = 1, I2C Bus Idle, Link = Fm+

Active: I2C Transaction

l

l

l

1

40

12

65

µA

mA

mA

VL

Logic Supply Range

l

1.62

5.5

V

IL

Logic Supply Current

l

140

µA

The l denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C, VCC = 5V, VL = 3.3V, GND = 0V unless otherwise noted.