LTC4443 datasheet(2/12 Pages) LINER

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LTC4443/LTC4443-1

4443fa

The

l denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. VCC = 7V, VTS = GND = 0V, VLOGIC = 5V, unless otherwise noted.

ELECTRICAL CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS

Supply Voltage

VLOGIC.................................................... –0.3V to 10V

VCC......................................................... –0.3V to 10V

BOOST – TS........................................... –0.3V to 10V

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

BOOST – VCC ............................................................38V

TS Voltage..................................................... –5V to 38V

TS + VCC....................................................................42V

IN Voltage .................................................. –0.3V to 10V

Driver Output TG (with Respect to TS)....... –0.3V to 10V

Driver Output BG........................................ –0.3V to 10V

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

Logic Supply (VLOGIC)

VLOGIC

Operating Range

9.5

IVLOGIC

DC Supply Current

IN = Floating

730

850

μA

UVLO

Undervoltage Lockout Threshold

VLOGIC Rising

VLOGIC Falling

Hysteresis

2.5

2.4

2.75

2.65

100

3.0

2.9

Gate Driver Supply (VCC)

VCC

Operating Range

9.5

IVCC

DC Supply Current

IN = Floating

600

800

μA

UVLO

Undervoltage Lockout Threshold

VCC Rising (LTC4443)

VCC Falling (LTC4443)

Hysteresis (LTC4443)

2.75

2.60

3.20

3.04

160

3.65

3.50

VCC Rising (LTC4443-1)

VCC Falling (LTC4443-1)

Hysteresis (LTC4443-1)

5.6

4.7

6.2

5.3

850

6.7

5.8

PIN CONFIGURATION

TOP VIEW

DDMA PACKAGE

12-LEAD (3mm

3mm) PLASTIC DFN

GND

BOOST

VCC

VLOGIC

θJA = 43°C/W, θJC = 3°C/W

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

LTC4443EDD#PBF

LTC4443EDD#TRPBF

LCXH

12-Lead (3mm

× 3mm) Plastic DFN

–40°C to 85°C

LTC4443IDD#PBF

LTC4443IDD#TRPBF

LCXH

12-Lead (3mm

× 3mm) Plastic DFN

–40°C to 85°C

LTC4443EDD-1#PBF

LTC4443EDD-1#TRPBF

LCYN

12-Lead (3mm

× 3mm) Plastic DFN

–40°C to 85°C

LTC4443IDD-1#PBF

LTC4443IDD-1#TRPBF

LCYN

12-Lead (3mm

× 3mm) Plastic DFN

–40°C to 85°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 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/

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