LTC2931

2

2931fb

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

V1, V2, V3, V4, V5, V6, VPG ........................ –0.3V to 7V

RST , COMP1-6............................................ –0.3V to 7V

CWT, WDO.................................................... –0.3V to 7V

V4 Input Current (–ADJ Mode) ..............................–1mA

RST , WDO, COMP1-6 Currents...........................±10mA

Operating Temperature Range

LTC2931C ................................................ 0°C to 70°C

LTC2931I.............................................. –40°C to 85°C

LTC2931H .......................................... –40°C to 125°C

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

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

(Notes 1, 2, 3)

F PACKAGE

20-LEAD PLASTIC TSSOP

1

2

3

4

5

6

7

8

9

10

TOP VIEW

20

19

18

17

16

15

14

13

12

11

COMP5

V5

COMP3

COMP1

V3

V1

CRT

RST

WDO

WDI

COMP6

V6

COMP2

COMP4

V2

V4

VREF

VPG

GND

CWT

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC2931CF#PBF

LTC2931CF#TRPBF

LTC2931F

20-Lead Plastic TSSOP

0°C to 70°C

LTC2931IF#PBF

LTC2931IF#TRPBF

LTC2931F

20-Lead Plastic TSSOP

–40°C to 85°C

LTC2931HF#PBF

LTC2931HF#TRPBF

LTC2931F

20-Lead Plastic TSSOP

–40°C to 125°C

Consult LTC Marketing for information on non-standard lead based finish parts.

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

This product is only offered in trays. For more information go to: http://www.linear.com/packaging/

ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Minimum Internal Operating Voltage

●

1V

Minimum Required for Mode Selection

●

2.4

V

Minimum Required for Comparators

●

2.3

V

5V, 5% Reset Threshold

V1 Input Threshold

●

4.600

4.675

4.750

V

3.3V, 5% Reset Threshold

V1, V2 Input Threshold

●

3.036

3.086

3.135

V

3V, 5% Reset Threshold

V2 Input Threshold

●

2.760

2.805

2.850

V

2.5V, 5% Reset Threshold

V2, V3 Input Threshold

●

2.300

2.338

2.375

V

1.8V, 5% Reset Threshold

V3, V4 Input Threshold

●

1.656

1.683

1.710

V

1.5V, 5% Reset Threshold

V3, V4 Input Threshold

●

1.380

1.403

1.425

V

ADJ Reset Threshold

V3, V4, V5, V6 Input Threshold

●

492.5

500

507.5

mV

–ADJ Reset Threshold

V4 Input Threshold

●

–18

0

18

mV