LT4321

2

4321f

For more information www.linear.com/LT4321

pin conFiguraTion

absoluTe MaxiMuM raTings

OUTP-OUTN............................................. –0.3V to 100V

IN12, IN36, IN45, IN78....................... –2V to OUTP + 2V

BG12, BG36, BG45, BG78 Voltages.......... –0.3V to 100V

TG12, TG36, TG45, TG78

Voltages ....................................... –0.3V to OUTP + 12V

TG12-IN12 Voltage ......................................–0.3V to 12V

TG36-IN36 Voltage .....................................–0.3V to 12V

TG45-IN45 Voltage .....................................–0.3V to 12V

TG78-IN78 Voltage......................................–0.3V to 12V

EN, EN,..................................................... –0.3V to 100V

Operating Ambient Temperature Range

LT4321I................................................–40°C to 85°C

LT4321H............................................. –40°C to 125°C

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

(Notes 1, 2)

16 15 14 13

5

6

7

8

TOP VIEW

17

OUTN

UF PACKAGE

16-LEAD (4mm

× 4mm) PLASTIC QFN

9

10

11

12

4

3

2

1

TG36

IN36

IN45

TG45

OUTP

EN

EN

OUTN

EXPOSED PAD (PIN 17) IS OUTN, MUST BE SOLDERED TO PCB

orDer inForMaTion

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT4321IUF#PBF

LT4321IUF#TRPBF

4321

16-Lead 4mm × 4mm Plastic QFN

–40°C to 85°C

LT4321HUF#PBF

LT4321HUF#TRPBF

4321

16-Lead 4mm × 4mm 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 nonstandard lead based finish parts.