LTC4447

2

4447f

ELECTRICAL CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS

Supply Voltage

BOOST – TS............................................. –0.3V to 7V

BOOST Voltage .......................................... –0.3V to 42V

IN Voltage .................................................... –0.3V to 7V

Driver Output TG (with Respect to TS)......... –0.3V to 7V

Driver Output BG.......................................... –0.3V to 7V

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

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

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

(Note 1)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Operating Range

3

6.5

V

DC Supply Current

IN = Floating

730

900

μA

UVLO

Undervoltage Lockout Threshold

Hysteresis

●

●

2.5

2.4

2.75

2.65

100

3

2.9

V

V

mV

Operating Range

4

6.5

V

DC Supply Current

IN = Floating

600

800

μA

UVLO

Undervoltage Lockout Threshold

Hysteresis

●

●

2.75

2.60

3.20

3.04

160

3.65

3.50

V

V

mV

Schottky Diode Forward Voltage

0.38

0.48

V

V

PIN CONFIGURATION

TOP VIEW

13

DDMA PACKAGE

12-LEAD (3mm

´ 3mm) PLASTIC DFN

NC

NC

TG

TS

BG

GND

BOOST

BOOST

BOOST

IN

1

2

3

4

5

6

12

11

10

9

8

7

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

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC4447EDD#PBF

LTC4447EDD#TRPBF

LDHD

12-Lead (3mm × 3mm) Plastic DFN

–40°C to 85°C

LTC4447IDD#PBF

LTC4447IDD#TRPBF

LDHD

12-Lead (3mm × 3mm) Plastic DFN

–40°C to 85°C

Consult LTC Marketing for parts specified with wider operating temperature ranges. *Temperature grades are identified by a label on the shipping container.

Consult LTC Marketing for information on 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/