LTC4449 datasheet(4/12 Pages) LINER

Part #	LTC4449

Description	High Speed Synchronous N-Channel MOSFET Driver

Download	12 Pages

Scroll/Zoom	100%

Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

Logo

4 / 12 page

LTC4449

4

4449f

TYPICAL PERFORMANCE CHARACTERISTICS

Input Thresholds

vs VLOGIC Supply Voltage

Input Thresholds for VLOGIC = 3.3V

vs Temperature

BG or TG Input Threshold Hysteresis

vs VLOGIC Supply Voltage

VLOGIC Undervoltage Lockout

Thresholds vs Temperature

Undervoltage Lockout Threshold

Hysteresis vs Temperature

Input Thresholds for VLOGIC ≥ 5V

vs Temperature

Quiescent Supply Current

vs Supply Voltage

VCC Undervoltage Lockout

Thresholds vs Temperature

BG or TG Input Threshold Hysteresis

vs Temperature

VLOGIC SUPPLY (V)

3.0

3.5

0

1.0

4.0

5.0

5.5

4449 G01

0.5

2.0

2.5

3.0

3.5

1.5

4.5

6.0

6.5

VIH(TG)

VIL(TG)

VIL(BG)

VIH(BG)

TEMPERATURE (°C)

1.0

2.0

3.0

0.5

1.5

2.5

–10

20

50

80

4449 G02

110

–40

VIH(TG)

VLOGIC = 3.3V

VIL(TG)

VIL(BG)

VIH(BG)

TEMPERATURE (°C)

3

4

5

4449 G03

2

1

0

–10

–40

110

20

50

80

VIH(TG)

VLOGIC ≥ 5V

VIL(TG)

VIL(BG)

VIH(BG)

VLOGIC SUPPLY (V)

3.0

3.5

0

0.10

0.35

4.0

5.0

5.5

4449 G04

0.05

0.20

0.25

0.30

0.15

4.5

6.0

6.5

TEMPERATURE (°C)

0.25

0.30

0.35

4449 G05

0.15

0

–40

–10

20

50

80

110

0.40

0.20

0.10

0.05

VLOGIC = 5V

VLOGIC = 3.3V

SUPPLY VOLTAGE (V)

3.0

0

0.1

0.3

0.4

0.5

1.0

0.7

4.0

5.0

5.5

4449 G06

0.2

0.8

0.9

0.6

3.5

4.5

6.0

6.5

7.0

IN FLOATING

TS = GND

IVLOGIC

IBOOST

IVCC

TEMPERATURE (°C)

2.8

2.9

4449 G08

2.7

2.6

2.5

–10

–40

110

20

50

80

RISING THRESHOLD

FALLING THRESHOLD

TEMPERATURE (°C)

3.2

3.3

4449 G09a

3.1

3.0

2.9

–10

–40

110

20

50

80

RISING THRESHOLD

FALLING THRESHOLD

TEMPERATURE (°C)

150

250

200

4449 G09b

100

50

0

–10

–40

110

20

50

80

VCC UVLO

VLOGIC UVLO

Similar Part No. - LTC4449

Manufacturer	Part #	Datasheet	Description
Linear Technology	LTC4449	194Kb / 18P	High Side Micropower MOSFET Driver Fully Enhances N-Channel Power MOSFETs
	LTC4449	199Kb / 16P	N-Channel MOSFET Gate Driver Available in SO-8 and 10-Lead MSOP
	LTC4449	550Kb / 36P	Dual, Multiphase Step-Down Voltage Mode DC/DC Controller with Accurate Current Sharing
	LTC4449	182Kb / 14P	High Speed Synchronous N-Channel MOSFET Driver
	LTC4449	421Kb / 38P	Dual, Multiphase Current Mode Synchronous Controller for Sub-Milliohm DCR Sensing

More results

Similar Description - LTC4449

Manufacturer	Part #	Datasheet	Description
Linear Technology	LTC4449	182Kb / 14P	High Speed Synchronous N-Channel MOSFET Driver
Linear Technology	LTC4447	190Kb / 12P	High Speed Synchronous N-Channel MOSFET Driver
Semtech Corporation	SC1218	395Kb / 12P	High Speed Synchronous MOSFET Driver
Linear Technology	LTC4442-1	184Kb / 14P	High Speed Synchronous N-Channel MOSFET Drivers
	LTC4442	184Kb / 14P	High Speed Synchronous N-Channel MOSFET Drivers
	LTC4442	161Kb / 12P	High Speed Synchronous N-Channel MOSFET Drivers
	LTC4443	145Kb / 12P	High Speed Synchronous N-Channel MOSFET Drivers
	LTC4444-5	202Kb / 12P	High Voltage Synchronous N-Channel MOSFET Driver
	LTC4444	189Kb / 12P	High Voltage Synchronous N-Channel MOSFET Driver
	LTC4444-5	179Kb / 14P	High Voltage Synchronous N-Channel MOSFET Driver

More results

LTC4449 Datasheet(PDF) 4 Page - Linear Technology

LTC4449 Datasheet(HTML) 4 Page - Linear Technology

Similar Part No. - LTC4449

Similar Description - LTC4449

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12

Datasheet Download

Link URL