LTC2904/LTC2905

2

sn29045 29045fs

Terminal Voltages

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

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

RST (LTC2904) ....................................... –0.3V to 7V

TMR (LTC2905) ...................................... –0.3V to 7V

ORDER PART

NUMBER

DDB8 PART MARKING

LBCZ

LBDB

LTAJF

LBCY

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

(Note 1, 2)

(Notes 2, 3, 4)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

5V, 5% Reset Threshold

V1 Input Threshold

●

4.600

4.675

4.750

V

5V, 7.5% Reset Threshold

●

4.475

4.550

4.625

V

5V, 10% Reset Threshold

●

4.350

4.425

4.500

V

3.3V, 5% Reset Threshold

V1, V2 Input Threshold

●

3.036

3.086

3.135

V

3.3V, 7.5% Reset Threshold

●

2.954

3.003

3.053

V

3.3V, 10% Reset Threshold

●

2.871

2.921

2.970

V

2.5V, 5% Reset Threshold

V1, V2 Input Threshold

●

2.300

2.338

2.375

V

2.5V, 7.5% Reset Threshold

●

2.238

2.275

2.313

V

2.5V, 10% Reset Threshold

●

2.175

2.213

2.250

V

1.8V, 5% Reset Threshold

V2 Input Threshold

●

1.656

1.683

1.710

V

1.8V, 7.5% Reset Threshold

●

1.611

1.638

1.665

V

1.8V, 10% Reset Threshold

●

1.566

1.593

1.620

V

1.5V, 5% Reset Threshold

V2 Input Threshold

●

1.380

1.403

1.425

V

1.5V, 7.5% Reset Threshold

●

1.343

1.365

1.388

V

1.5V, 10% Reset Threshold

●

1.305

1.328

1.350

V

1.2V, 5% Reset Threshold

V2 Input Threshold

●

1.104

1.122

1.140

V

1.2V, 7.5% Reset Threshold

●

1.074

1.092

1.110

V

1.2V, 10% Reset Threshold

●

1.044

1.062

1.080

V

1V, 5% Reset Threshold

V2 Input Threshold

●

0.920

0.935

0.950

V

1V, 7.5% Reset Threshold

●

0.895

0.910

0.925

V

1V, 10% Reset Threshold

●

0.870

0.885

0.900

V

Consult LTC Marketing for parts specified with wider operating temperature ranges.

Operating Temperature Range

LTC2904C/LTC2905C ................................ 0°C to 70°C

LTC2904I/LTC2905I ..............................–40°C to 85°C

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

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

ORDER PART

NUMBER

TS8 PART MARKING

LTC2904CDDB

LTC2904IDDB

LTC2905CDDB

LTC2905IDDB

LTC2904CTS8

LTC2904ITS8

LTC2905CTS8

LTC2905ITS8

LTBCJ

LTBCK

LTAJD

LTAJE

TOP VIEW

DDB8 PACKAGE

8-LEAD (3mm × 2mm) PLASTIC DFN

EXPOSED PAD IS GND (PIN 9),

MUST BE SOLDERED TO PCB

5

6

7

8

4

3

2

1

GND

RST

RST/TMR*

V2

TOL

S1

S2

V1

9

V2 1

RST/TMR* 2

RST 3

GND 4

8 V1

7 S2

6 S1

5 TOL

TOP VIEW

TS8 PACKAGE

8-LEAD PLASTIC TSOT-23

* RST FOR LTC2904

TMR FOR LTC2905

* RST FOR LTC2904

TMR FOR LTC2905