LTC3822-1 datasheet(2/24 Pages) LINER

2 / 24 page

LTC3822-1

38221f

PACKAGE/ORDER INFORMATION

ELECTRICAL CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS

Input Supply Voltage (VIN)........................ –0.3V to 4.5V

BOOST Voltage .......................................... –0.3V to 10V

PLLLPF, RUN, IPRG, SYNC/MODE,

TRACK/SS Voltages .......................–0.3V to (VIN + 0.3V)

VFB, ITH Voltages....................................... –0.3V to 2.4V

SW Voltage ............................................ –2V to VIN + 1V

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

(Note 1)

TOP VIEW

DD PACKAGE

12-LEAD (3mm

× 3mm) PLASTIC DFN

VIN

BOOST

IPRG

PLLLPF

SYNC/MODE

TRACK/SS

VFB

ITH

RUN

TJMAX = 125°C, θJA = 43°C/W

EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB

GN PACKAGE

16-LEAD PLASTIC SSOP

TOP VIEW

GND

PLLLPF

SYNC/MODE

PGOOD

TRACK/SS

VFB

ITH

RUN

SENSE–

VIN

BOOST

IPRG

GND

TJMAX = 125°C, θJA = 110°C/W

ORDER PART NUMBER

DD PART MARKING

ORDER PART NUMBER

GN PART MARKING

LTC3822EDD-1

LCMS

LTC3822EGN-1

38221

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/

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

The

● denotes the speciﬁcations which apply over the full operating

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

Storage Ambient Temperature Range

DD ..................................................... –65°C to 125°C

GN ..................................................... –65°C to 150°C

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

Lead Temperature (Soldering, 10 sec)

GN Only ............................................................ 300°C

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Main Control Loops

VIN

Operating Voltage Range

2.75

3.3

4.5

Input DC Supply Current

Normal Operation

Sleep Mode

Shutdown

UVLO

(Note 4)

RUN = 0

VIN = UVLO Threshold – 200mV

360

105

7.5

525

150

µA

Undervoltage Lockout Threshold

VIN Falling

VIN Rising

●

1.95

2.15

2.25

2.45

2.55

2.75

Shutdown Threshold Of RUN Pin

0.7

1.1

1.4

Regulated Feedback Voltage

(Note 5)

●

0.594

0.6

0.606

Output Voltage Line Regulation

2.75V < VIN < 4.5V (Note 5)

0.025

0.1

%/V

LTC3822-1 Scheda tecnica(PDF) 2 Page - Linear Technology

LTC3822-1 Scheda tecnica(HTML) 2 Page - Linear Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

Scheda tecnica Scarica

Link URL