LTC1702_15 datasheet(2/36 Pages) LINER

2 / 36 page

LTC1702

1702fa

ABSOLUTE MAXIMUM RATINGS

(Note 1)

Supply Voltage

VCC ........................................................................ 7V

BOOST

n ............................................................... 15V

BOOST

n – SWn .................................................... 7V

Input Voltage

n .......................................................... – 1V to 8V

All Other Inputs ......................... – 0.3V to VCC + 0.3V

Peak Output Current < 10

µs

n, BGn ............................................................... 5A

Operating Temperature Range

LTC1702C ............................................... 0

°C to 70°C

LTC1702I ........................................... – 40

°C to 85°C

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

°C to 150°C

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

°C

PACKAGE/ORDER INFORMATION

ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full operating

temperature range, otherwise specifications are TA = 25°C. VCC = 5V unless otherwise specified. (Note 3)

TJMAX = 125°C, θJA = 100°C/ W

ORDER PART NUMBER

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

LTC1702CGN

LTC1702IGN

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/

TOP VIEW

GN PACKAGE

24-LEAD NARROW PLASTIC SSOP

PVCC

BOOST1

BG1

TG1

SW1

IMAX1

PGOOD1

FCB

RUN/SS1

COMP1

SGND

FB1

IMAX2

BOOST2

BG2

TG2

SW2

PGND

PGOOD2

FAULT

RUN/SS2

COMP2

FB2

VCC

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Main Control Loop

VCC

VCC Supply Voltage

●

PVCC

PVCC Supply Voltage

(Note 2)

●

BVCC

BOOST Pin Voltage

VBOOST – VSW (Note 2)

●

2.7

ICC

VCC Supply Current

Test Circuit 1, CL = 0pF

●

2.2

RUN/SS1 = RUN/SS2 = 0V (Note 5)

●

100

µA

IPVCC

PVCC Supply Current

Test Circuit 1, CL = 0pF (Note 4)

●

2.2

RUN/SS1 = RUN/SS2 = 0V (Note 5)

●

100

µA

IBOOST

BOOST Pin Current

Test Circuit 1, CL = 0pF (Note 4)

●

1.3

RUN/SS1 = RUN/SS2 = 0V

●

0.1

µA

VFB

Feedback Voltage

Test Circuit 1, CL = 0pF, LTC1702C

●

0.792

0.800

0.808

Test Circuit 1, CL = 0pF, LTC1702I

●

0.790

0.800

0.810

∆VFB

Feedback Voltage Line Regulation

VCC = 3V to 7V

●

±0.005

±0.05

%/V

IFB

Feedback Current

●

±0.001

±1

µA

∆VOUT

Output Voltage Load Regulation

(Note 6)

●

0.1

±0.2

VFCB

FCB Threshold

●

0.75

0.8

0.85

∆VFCB

FCB Feedback Hysteresis

IFCB

FCB Pin Current

●

±0.001

±1

µA

VRUN

RUN/SS Pin RUN Threshold

●

0.45

0.55

0.65

ISS

Soft-Start Source Current

RUN/SS

n = 0V

–2

–3.5

–6

µA

LTC1702 Folha de dados(PDF) 2 Page - Linear Technology

LTC1702 Folha de dados(HTML) 2 Page - Linear Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36

Folha de dados Download

Ligação URL