LTC3417 datasheet(2/20 Pages) LINER

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LTC3417

3417fb

TJMAX = 125°C, θJA = 38°C/ W

EXPOSED PAD (PIN 21) IS PGND2/GNDD

MUST BE SOLDERED TO PCB

VIN1, VIN2 Voltages ..................................... – 0.3V to 6V

MODE, SW1, SW2, RUN1,

RUN2, VFB1, VFB2, PHASE, FREQ,

ITH1, ITH2 Voltages ............. –0.3V to (VIN1/VIN2 + 0.3V)

VIN1 – VIN2, VIN2 – VIN1 ......................................... 0.3V

PGOOD Voltage .......................................... – 0.3V to 6V

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

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

(Note 1)

LTC3417EDHC

ORDER PART

NUMBER

3417

TJMAX = 125°C, θJA = 43°C/ W

EXPOSED PAD (PIN 17) IS PGND2/GNDD

MUST BE SOLDERED TO PCB

Operating Ambient Temperature Range

(Note 2) .................................................. – 40

°C to 85°C

Junction Temperature (Notes 7, 8) ...................... 125

°C

Storage Temperature Range

DFN Package ................................... – 65

°C to 125°C

TSSOP Package ............................... – 65

°C to 150°C

PGND1

SW1

PHASE

GNDA

FREQ

PGOOD

SW2

MODE

RUN1

VIN1

ITH1

VFB1

VFB2

ITH2

RUN2

VIN2

TOP VIEW

DHC PACKAGE

16-LEAD (3mm

× 5mm) PLASTIC DFN

LTC3417EFE

ORDER PART

NUMBER

DHC PART MARKING

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN1, VIN2

Operating Voltage Range

VIN1 = VIN2

●

2.25

5.5

IFB1, IFB2

Feedback Pin Input Current

(Note 3)

±0.1

µA

VFB1, VFB2

Feedback Voltage

(Note 3)

●

0.784

0.8

0.816

∆VLINEREG

Reference Voltage Line Regulation. %/V is the

VIN = 2.25V to 5V (Note 3)

0.04

0.2

%/V

Percentage Change in VOUT with a Change in VIN

VLOADREG

Output Voltage Load Regulation

ITH1, ITH2 = 0.36V (Note 3)

0.02

0.2

ITH1, ITH2 = 0.84V (Note 3)

–0.02

–0.2

gm(EA)

Error Amplifier Transconductance

ITH1, ITH2(PINLOAD) = ±5µA (Note 3)

1400

µS

The

● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.

VIN = 3.6V unless otherwise specified. (Note 2)

ELECTRICAL CHARACTERISTICS

FE PACKAGE

20-LEAD PLASTIC TSSOP

TOP VIEW

GNDD

RUN1

VIN1

ITH1

VFB1

VFB2

ITH2

RUN2

VIN2

PGND2

GNDD

PGND1

SW1

PHASE

GNDA

FREQ

PGOOD

SW2

MODE

PGND2

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/

LTC3417 Datasheet(PDF) 2 Page - Linear Technology

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