LTC3416 datasheet(2/20 Pages) LINER

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LTC3617

3617fa

absolute MaxiMuM ratings

PVIN, SVIN Voltages ..................................... –0.3V to 6V

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

ITH, RT, SYNC Voltages .............. –0.3V to (SVIN + 0.3V)

VTTR, RUN, VFB Voltages ........... –0.3V to (SVIN + 0.3V)

VDDQIN, PGOOD Voltages........................... –0.3V to 6V

Operating Junction Temperature Range

(Notes 2, 8)............................................ –40°C to 125°C

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

(Note 1)

TOP VIEW

PGND

UDD PACKAGE

24-LEAD (3mm

× 5mm) PLASTIC QFN

SGND

VTTR

PVIN

SYNC

RUN

SVIN

PVIN

9 10 11 12

24 23 22 21

TJMAX = 125°C, θJA = 43°C/W

EXPOSED PAD (PIN 25) IS PGND, MUST BE SOLDERED TO PCB

pin conFiguration

orDer inForMation

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3617EUDD#PBF

LTC3617EUDD#TRPBF

LFXC

24-Lead (3mm

× 5mm) Plastic QFN

–40°C to 125°C

LTC3617IUDD#PBF

LTC3617IUDD#TRPBF

LFXC

24-Lead (3mm

× 5mm) Plastic QFN

–40°C to 125°C

Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.

Consult LTC Marketing for information on non-standard lead based finish parts.

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

denotes the specifications which apply over the full operating junction

temperature range, otherwise specifications are at TA = 25°C. PVIN = SVIN = 3.3V, RT = SVIN unless otherwise specified (Notes 1, 2, 8).

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN

Input Voltage Operating Range

2.25

5.5

VUVLO

Undervoltage Lockout Threshold

SVIN Ramping Down

SVIN Ramping Up

1.7

2.2

VOVLO

Overvoltage Lockout Threshold

SVIN Ramping Up

Hysteresis

6.5

250

VTTR

VTTR Output Voltage with Line and Load

Regulation

VDDQIN = 1.5V, Load = ±10mA

0.49 • VDDQIN 0.5 • VDDQIN 0.51 • VDDQIN

VTTR Maximum Output Current

±10

VFB

Feedback Voltage Accuracy

VDDQIN = 1.5V (Note 3)

VTTR – 10

VTTR

VTTR + 10

IFB

Feedback Input Current

VFB = 0.75V

±30

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