LT8334

2

Rev. 0

For more information www.analog.com

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

SW............................................................................40V

BIAS..........................................................................40V

SYNC ..........................................................................6V

FBX ...........................................................................±4V

Operating Junction Temperature Range (Notes 3)

LT8334R ........................................... –40°C to 150°C

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

Maximum Junction Temperature .........................+150°C

(Note 1)

12

11

10

9

8

7

13

GND

1

2

3

4

5

6

SW1

SW2

SYNC/MODE

SS

RT

FBX

NC

EN/UVLO

BIAS

TOP VIEW

DE PACKAGE

12-LEAD (4mm × 3mm) PLASTIC DFN

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

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT8334RDE#PBF

LT8334RDE#TRPBF

8334

12-Lead (4mm × 3mm) Plastic DFN

–40°C to 150°C

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

Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.

l

denotes the specifications which apply over the full operating

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

l

2.8

40

V

l

1

1

2

15

μA

μA

l

2

2

5

25

μA

μA

Sleep Mode (Not Switching)

SYNC = 0V

l

9

9

15

30

μA

μA

Active Mode (Not Switching)

l

1200

1200

1600

1850

µA

µA

l

22

22

40

65

µA

µA

BIAS Threshold

4.4

4

4.65

4.25

V

V

BIAS = 12V

BIAS – 2V

V

V

FBX Regulation

FBX Regulation Voltage

FBX > 0V

FBX < 0V

l

l

1.568

–0.822

1.6

–0.80

1.636

–0.780

V

V

FBX Line Regulation

0.005

0.005

0.015

0.015

%/V

%/V

FBX Pin Current

FBX = 1.6V, –0.8V

l

–10

10

nA