2

LTC3402

3402fb

(Note 1)

SW Voltage ................................................. – 0.5V to 6V

PGOOD, SHDN, FB, MODE Voltages ........... – 0.5V to 6V

Operating Temperature Range (Note 2) .. – 40

°C to 85°C

Storage Temperature Range ................. – 65

°C to 125°C

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

°C

MS PART MARKING

ORDER PART

NUMBER

LTC3402EMS

LTSK

The

°C.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Minimum Start-Up Voltage

0.85

1.0

V

Minimum Operating Voltage

(Note 4)

●

0.5

V

Output Voltage Adjust Range

●

2.6

5.5

V

Feedback Voltage

●

1.22

1.25

1.28

V

Feedback Input Current

1

50

nA

Quiescent Current—Burst Mode Operation

38

65

μA

Quiescent Current—SHDN

SHDN = 0V, Not Including Switch Leakage

0.1

1

μA

Quiescent Current—Active

440

800

μA

NMOS Switch Leakage

0.1

5

μA

PMOS Switch Leakage

0.1

10

μA

NMOS Switch On Resistance

0.16

Ω

PMOS Switch On Resistance

0.18

Ω

NMOS Current Limit

●

2

2.5

A

NMOS Burst Current Limit

0.66

A

Maximum Duty Cycle

●

80

85

%

Minimum Duty Cycle

●

0%

Switching Frequency

●

1.6

2

2.4

MHz

MODE/SYNC Input High

1.4

V

MODE/SYNC Input Low

0.4

V

MODE/SYNC Input Current

0.01

1

μA

Error Amp Transconductance

85

μmhos

PGOOD Threshold

Referenced to Feedback Voltage

– 6

– 9

– 12

%

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

ELECTRICAL CHARACTERISTICS

1

2

3

4

5

MODE

SW

GND

10

9

8

7

6

SHDN

FB

PGOOD

TOP VIEW

MS PACKAGE

10-LEAD PLASTIC MSOP

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

Order Options Tape and Reel: Add #TR

Lead Free: Add #PBF

Lead Free Tape and Reel: Add #TRPBF

Lead Free Part Marking: http://www.linear.com/leadfree/