LTC3412 datasheet(2/20 Pages) LINER

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LTC3412

3412fb

Input Supply Voltage ...................................– 0.3V to 6V

ITH, RUN, VFB Voltages ............................... – 0.3V to VIN

SYNC/MODE Voltages ................................ – 0.3V to VIN

SW Voltage ................................... – 0.3V to (VIN + 0.3V)

Peak SW Sink and Source Current ......................... 6.5A

ORDER PART NUMBER

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

LTC3412EFE

LTC3412IFE

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

(Note 1)

TOP VIEW

FE PACKAGE

16-LEAD PLASTIC TSSOP

SVIN

PGOOD

ITH

VFB

SYNC/MODE

RUN/SS

SGND

PVIN

PGND

PVIN

FE PART MARKING

3412EFE

3412IFE

EXPOSED PAD (PIN 17) IS SGND, MUST BE SOLDERED TO PCB

TJMAX = 125°C, θJA = 37.6°C/W, θJC = 10°C/W

Operating Temperature

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

Junction Temperature (Note 5) ............................. 125°C

Lead Temperature (Soldering, 10 sec)

TSSOP .............................................................. 300°C

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/

ORDER PART NUMBER

LTC3412EUF

UF PART MARKING

3412

EXPOSED PAD (PIN 17) IS SGND, MUST BE SOLDERED TO PCB

TJMAX = 125°C, θJA = 34°C/W, θJC = 1°C/W

16 15 14 13

TOP VIEW

UF PACKAGE

16-LEAD (4mm × 4mm) PLASTIC QFN

RUN/SS

SGND

PVIN

PGOOD

SVIN

PVIN

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

temperature range, otherwise specifications are at TA = 25°C. VIN = 3.3V unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

SVIN

Signal Input Voltage Range

2.625

5.5

VFB

Regulated Feedback Voltage

(Note 3)

●

0.784

0.800

0.816

IFB

Voltage Feedback Leakage Current

0.1

0.4

μA

ΔVFB

Reference Voltage Line Regulation

VIN = 2.7V to 5.5V (Note 3)

●

0.04

0.2

%/V

VLOADREG

Output Voltage Load Regulation

Measured in Servo Loop, VITH = 0.36V

●

0.02

0.2

Measured in Servo Loop, VITH = 0.84V

●

– 0.02

– 0.2

ΔVPGOOD

Power Good Range

±7.5

±9%

RPGOOD

Power Good Pull-Down Resistance

120

200

Input DC Bias Current

(Note 4)

Active Current

VFB = 0.78V, VITH = 1V

250

330

μA

Sleep

VFB = 1V, VITH = 0V

μA

Shutdown

VRUN = 0V, VMODE = 0V

0.02

μA

LTC3412 Datasheet(PDF) 2 Page - Linear Technology

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