LTC1702AIGN datasheet(2/36 Pages) LINER

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LTC1702A

1702afa

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

LTC1702AC ............................................. 0

°C to 70°C

LTC1702AI ........................................ – 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)

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

TJMAX = 125°C, θJA = 100°C/ W

LTC1702ACGN

LTC1702AIGN

ORDER PART NUMBER

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/

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, LTC1702AC

●

0.792

0.800

0.808

Test Circuit 1, CL = 0pF, LTC1702AI

●

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

LTC1702AIGN 数据表(PDF) 2 Page - Linear Technology

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