LT3681

2

3681f

ELECTRICAL CHARACTERISTICS

BOOST Pin Voltage ...................................................56V

BOOST Pin Above SW Pin.........................................30V

BIAS, PG, BD Voltage................................................30V

Maximum Junction Temperature .......................... 125°C

DC above DA.............................................................40V

Operating Temperature Range (Note 2)

LT3681E............................................... –40°C to 85°C

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

(Note 1)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Minimum Input Voltage

●

3

3.6

V

0.01

0.5

μA

●

22

60

μA

75

120

μA

Quiescent Current from BIAS

0.01

0.5

μA

●

50

120

μA

05

μA

Minimum Bias Voltage

2.7

3

V

Feedback Voltage

●

1.25

1.24

1.265

1.265

1.29

1.3

V

V

FB Pin Bias Current (Note 3)

●

30

100

nA

FB Voltage Line Regulation

0.002

0.02

%/V

Error Amp GM

330

μMho

Error Amp Gain

800

65

μA

85

μA

3.5

A/V

2V

The

noted. (Note 2)

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

1

2

3

4

5

6

7

14

13

12

11

10

9

8

RUN/SS

V

IN

SW

BOOST

BD

DC

DA

PG

BIAS

FB

GND

GND

TOP VIEW

DE14MA PACKAGE

14-LEAD (4mm

´ 3mm) PLASTIC DFN

15

16

EXPOSED PAD (PIN 15) IS GND, MUST BE SOLDERED TO PCB

EXPOSED PAD PIN 16 IS DC

ORDER PART NUMBER

DE PART MARKING

LT3681EDE

3681

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/

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