LTC3620 datasheet(2/16 Pages) LINER

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LTC3620

3620f

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

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

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

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

LOBATB Voltage........................................... –0.3V to 6V

FMIN/MODE Voltage ..................... –0.3V to (VIN + 0.3V)

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

P-channel Switch Source Current (DC) ..................50mA

N-channel Switch Sink Current (DC)......................50mA

Operating Junction Temperature Range

(Notes 2, 4)............................................ –40°C to 125°C

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

(Notes 1, 2)

TOP VIEW

GND

FMIN/MODE

LOBATB

VIN

RUN

VFB

DC PACKAGE

8-LEAD (2mm 2mm) PLASTIC DFN

TJMAX = 125°C, θJA = 88.5°C/W

EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3620EDC#PBF

LTC3620EDC#TRPBF

LFJJ

8-Lead (2mm

× 2mm) Plastic DFN

–40°C to 85°C

LTC3620EDC-1#PBF

LTC3620EDC-1#TRPBF

LFJK

8-Lead (2mm

× 2mm) Plastic DFN

–40°C to 85°C

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

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 l denotes the speciﬁcations which apply over the full operating

junction temperature range, otherwise speciﬁcations are at TA = 25°C. VIN = 3.6V unless otherwise noted.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN

Input Voltage Range

2.9

5.5

VFB

Regulated Feedback Voltage (Note 3)

LTC3620

LTC3620-1

0.594

0.588

1.089

1.078

0.6

1.1

0.606

0.612

1.111

1.122

ΔVFB

Reference Voltage Line Regulation

VIN = 3V to 5.5V (Note 3)

0.05

0.15

%/V

VLOADREG

Output Voltage Load Regulation

(Note 3)

0.5

Quiescent Current, No Switching

VFB = 0.65V, FMIN/MODE = VIN

μA

IQSD

Quiescent Current in Shutdown

RUN = 0V

0.01

μA

IQU

Quiescent Current in UVLO Condition

RUN = VIN, VIN = 2.5V

0.5

μA

IPK

Peak Inductor Current

fSW

Minimum Switching Frequency (Internal) VFB = 0.65V, FIN/MODE = 0

kHz

VRUN

RUN Input Voltage High

0.8

RUN Input Voltage Low

0.3

IRUN

RUN Leakage Current

±0.01

±1

μA

LTC3620 Datasheet(PDF) 2 Page - Linear Technology

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