LTC1473 datasheet(3/16 Pages) LINER

部件名	LTC1473

功能描述	Dual PowerPath Switch Driver

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制造商	LINER [Linear Technology]

网页	http://www.linear.com

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LTC1473

TYPICAL PERFORMANCE CHARACTERISTICS

DC Supply Current

vs Supply Voltage

SUPPLY VOLTAGE (V)

0

80

120

40

1473 G01

40

0

10

20

30

5

15

25

35

160

60

100

20

140

VDIODE = VIN1 = 5V

VIN2 = 0V

VDIODE = 5V

VIN1 = VIN2 = 0V

VSENSE+ = VSENSE– = V

+

DC Supply Current vs VSENSE

DC Supply Current

vs Temperature

TEMPERATURE (

°C)

–50

50

60

80

90

100

0

140

1473 G02

70

– 25

25

50

75

100

125

110

120

130

V+ = 20V

VDIODE = VIN1 = 5V

VIN2 = 0V

VDIODE = 5V

VIN1 = VIN2 = 0V

VGS Gate-to-Source ON Voltage

vs Temperature

TEMPERATURE (

°C)

–50

5.1

5.2

5.4

5.5

5.6

0

6.0

1473 G04

5.3

– 25

25

50

75

100

125

5.7

5.8

5.9

V+ = VSAB =20V

TEMPERATURE (

°C)

–50

1.0

1.5

2.5

3.0

3.5

0

5.5

1473 G05

2.0

– 25

25

50

75

100

125

4.0

4.5

5.0

START-UP

THRESHOLD

SHUTDOWN

THRESHOLD

Undervoltage Lockout Threshold (V+)

vs Temperature

Note 4: Gate turn-on and turn-off times are measured with no inrush

current limiting, i.e., VSENSE = 0V. Gate rise times are measured from 1V to

4.5V and fall times are measured from 4.5V to 1V. Delay times are

measured from the input transition to when the gate voltage has risen or

fallen to 3V.

Note 1: Absolute Maximum Ratings are those values beyond which the life

of a device may be impaired.

Note 2: TJ is calculated from the ambient temperature TA and power

dissipation PD according to the following formula:

TJ = TA + (PD)(150°C/W)

Note 3: IS increases by the same amount as IBSENSE+ + IBSENSE– when

their common mode falls below 5V.

ELECTRICAL CHARACTERISTICS

VGS Gate Supply Voltage

vs Temperature

TEMPERATURE (

°C)

–50

8.1

8.2

8.4

8.5

8.6

0

9.0

1473 G03

8.3

– 25

25

50

75

100

125

8.7

8.8

8.9

V+ = 20V

VGS = VGG – V

+

|VSENSE| COMMON MODE(V)

0

20

1473 • TPC02.5

5

10

15

2.5

7.5

12.5

17.5

500

450

400

350

300

250

200

150

100

V+ = 20V

VDIODE = VIN1 = 5V

VIN2 = 0V

VSENSE+ – VSENSE– = 0V

类似零件编号 - LTC1473

制造商	部件名	数据表	功能描述
Linear Technology	LTC1473	216Kb / 16P	Dual PowerPathTM Switch Driver
	LTC1473	214Kb / 12P	36V, Low Loss Dual PowerPath Controllers for Large PFETs
	LTC1473CGN	216Kb / 16P	Dual PowerPathTM Switch Driver
	LTC1473IGN	216Kb / 16P	Dual PowerPathTM Switch Driver
	LTC1473L	211Kb / 16P	Dual Low Voltage PowerPathTM Switch Driver

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类似说明 - LTC1473

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