LTC3707IGN datasheet(2/32 Pages) LINER

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LTC3707

3707fb

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

Input Supply Voltage (VIN).........................30V to – 0.3V

Top Side Driver Voltages

(BOOST1, BOOST2) ................................... 36V to –0.3V

Switch Voltage (SW1, SW2) ......................... 30V to –5V

INTVCC, EXTVCC, RUN/SS1, RUN/SS2, (BOOST1-SW1),

(BOOST2-SW2), PGOOD.............................. 7V to –0.3V

SENSE1+, SENSE2+, SENSE1–,

SENSE2– Voltages .........................(1.1)INTVCC to –0.3V

FREQSET, STBYMD, FCB Voltage ......... INTVCC to –0.3V

ITH1, ITH2, VOSENSE1, VOSENSE2 Voltages ... 2.7V to –0.3V

Peak Output Current <10μs (TG1, TG2, BG1, BG2).....3A

INTVCC Peak Output Current ................................. 40mA

Operating Temperature Range (Note 2).... –40°C to 85°C

Junction Temperature (Note 3) ............................. 125°C

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

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

(Note 1)

TOP VIEW

GN PACKAGE

28-LEAD PLASTIC SSOP

RUN/SS1

SENSE1+

SENSE1–

VOSENSE1

FREQSET

STBYMD

FCB

ITH1

SGND

3.3VOUT

ITH2

VOSENSE2

SENSE2–

SENSE2+

PGOOD

TG1

SW1

BOOST1

VIN

BG1

EXTVCC

INTVCC

PGND

BG2

BOOST2

SW2

TG2

RUN/SS2

TJMAX = 125°C, θJA = 95°C/W

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX UNITS

VOSENSE1, 2

Regulated Feedback Voltage

(Note 4); ITH1, 2 Voltage = 1.2V

0.788

0.800

0.812

IOSENSE1, 2

Feedback Current

(Note 4)

–5

–50

VREFLNREG

Reference Voltage Line Regulation

VIN = 3.6V to 30V (Note 4)

0.002

0.02

%/V

VLOADREG

Output Voltage Load Regulation

(Note 4)

Measured in Servo Loop;

ΔITH Voltage = 1.2V to 0.7V

Measured in Servo Loop;

ΔITH Voltage = 1.2V to 2.0V

0.1

–0.1

0.5

–0.5

gm1,2

Transconductance Ampliﬁer gm

ITH1, 2 = 1.2V; Sink/Source 5μA; (Note 4)

1.3

mmho

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3707EGN#PBF

LTC3707EGN#TRPBF

3707EGN

28-Lead Plastic SSOP

–40°C to 85°C

LTC3707IGN#PBF

LTC3707IGN#TRPBF

3707IGN

28-Lead Plastic SSOP

–40°C to 85°C

LEAD BASED FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3707EGN

LTC3707EGN#TR

3707EGN

28-Lead Plastic SSOP

–40°C to 85°C

LTC3707IGN

LTC3707IGN#TR

3707IGN

28-Lead Plastic SSOP

–40°C to 85°C

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

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

For more information on tape and reel speciﬁcations, go to: http://www.linear.com/tapeandreel/

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

temperature range, otherwise speciﬁcations are at TA = 25°C. VIN = 15V, VRUN/SS1, 2 = 5V unless otherwise noted.

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