LTC4446_15 datasheet(2/12 Pages) LINER

Part #	LTC4446

Description	High Voltage High Side/ Low Side N-Channel MOSFET Driver

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC4446

2

4446f

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

Supply Voltage

VCC......................................................... –0.3V to 14V

BOOST – TS........................................... –0.3V to 14V

TINP Voltage ................................................. –2V to 14V

BINP Voltage................................................. –2V to 14V

BOOST Voltage ........................................ –0.3V to 114V

TS Voltage................................................... –5V to 100V

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

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

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

Lead Temperature (Soldering, 10 sec) .................. 300°C

(Note 1)

1

2

3

4

TINP

BINP

VCC

BG

8

7

6

5

TS

TG

BOOST

NC

TOP VIEW

9

MS8E PACKAGE

8-LEAD PLASTIC MSOP

TJMAX = 125°C, θJA = 40°C/W, θJC = 10°C/W (NOTE 4)

EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB

ORDER INFORMATION

ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Gate Driver Supply, VCC

VCC

Operating Voltage

7.2

13.5

V

IVCC

DC Supply Current

TINP = BINP = 0V

350

550

μA

UVLO

Undervoltage Lockout Threshold

VCC Rising

VCC Falling

Hysteresis

l

6.00

5.60

6.60

6.15

450

7.20

6.70

V

mV

Bootstrapped Supply (BOOST – TS)

IBOOST

DC Supply Current

TINP = BINP = 0V

0.1

2

μA

Input Signal (TINP, BINP)

VIH(BG)

BG Turn-On Input Threshold

BINP Ramping High

l

2.25

2.75

3.25

V

VIL(BG)

BG Turn-Off Input Threshold

BINP Ramping Low

l

1.85

2.3

2.75

V

VIH(TG)

TG Turn-On Input Threshold

TINP Ramping High

l

2.25

2.75

3.25

V

VIL(TG)

TG Turn-Off Input Threshold

TINP Ramping Low

l

1.85

2.3

2.75

V

ITINP(BINP)

Input Pin Bias Current

±0.01

±2

μA

High Side Gate Driver Output (TG)

VOH(TG)

TG High Output Voltage

ITG = –10mA, VOH(TG) = VBOOST – VTG

0.7

V

VOL(TG)

TG Low Output Voltage

ITG = 100mA, VOL(TG) = VTG –VTS

l

120

220

mV

IPU(TG)

TG Peak Pull-Up Current

l

1.7

2.5

A

RDS(TG)

TG Pull-Down Resistance

l

1.2

2.2

Ω

The

l denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. VCC = VBOOST = 12V, VTS = GND = 0V, unless otherwise noted.

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC4446EMS8E#PBF

LTC4446EMS8E#TRPBF

LTDPZ

8-Lead Plastic MSOP

–40°C to 85°C

LTC4446IMS8E#PBF

LTC4446IMS8E#TRPBF

LTDPZ

8-Lead Plastic MSOP

–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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LTC4446 Datasheet(PDF) 2 Page - Linear Technology

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