2

LTC2908

sn2908 2908fs

Terminal Voltages

V1, V2, V3, V4 ........................................ – 0.3V to 7V

RST ........................................................ – 0.3V to 7V

Operating Temperature Range

LTC2908C-A1/LTC2908C-B1 .................. 0°C to 70°C

LTC2908I-A1/LTC2908I-B1 ................ –40°C to 85°C

ABSOLUTE

AXI U

RATI GS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

5V, 5% Reset Threshold

V1 Input Threshold

●

4.600

4.675

4.750

V

3.3V, 5% Reset Threshold

V2 Input Threshold

●

3.036

3.086

3.135

V

2.5V, 5% Reset Threshold

V3 Input Threshold

●

2.300

2.338

2.375

V

1.8V, 5% Reset Threshold

V4 Input Threshold

●

1.656

1.683

1.710

V

ADJ, 5% Reset Threshold

●

0.492

0.500

0.508

V

(LTC2908-A1) The

ELECTRICAL CHARACTERISTICS

(Notes 1, 2)

Consult factory for parts specified with wider operating temperature ranges.

PACKAGE/ORDER I FOR ATIO

LTC2908CTS8-A1

LTC2908ITS8-A1

LTC2908CTS8-B1

LTC2908ITS8-B1

ORDER PART

NUMBER

Storage Temperature Range

DFN Package .....................................–65°C to 125°C

TSOT-23 Package ..............................–65°C to 150°C

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

LTBFJ

LTBFK

LTBFM

LTBFN

TS8 PART

MARKING

LTC2908CDDB-A1

LTC2908IDDB-A1

LTC2908CDDB-B1

LTC2908IDDB-B1

ORDER PART

NUMBER

LBFD

LBFF

LBFG

LBFH

DDB8 PART

MARKING

EXPOSED PAD (PIN 9)

(PCB CONNECTION OPTIONAL)

V2 1

V4 2

RST 3

GND 4

8 V1

6 V3

TOP VIEW

TS8 PACKAGE

8-LEAD PLASTIC TSOT-23

TOP VIEW

9

DDB8 PACKAGE

8-LEAD (3mm × 2mm) PLASTIC DFN

5

6

7

8

4

3

2

1

GND

RST

V4

V2

V3

V1

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

3.3V, 5% Reset Threshold

V1 Input Threshold

●

3.036

3.086

3.135

V

2.5V, 5% Reset Threshold

V2 Input Threshold

●

2.300

2.338

2.375

V

1.8V, 5% Reset Threshold

V3 Input Threshold

●

1.656

1.683

1.710

V

1.5V, 5% Reset Threshold

V4 Input Threshold

●

1.380

1.403

1.425

V

ADJ, 5% Reset Threshold

●

0.492

0.500

0.508

V

(LTC2908-B1) The