LT8609_15 datasheet(5/22 Pages) LINER

Part #	LT8609

Description	42V, 2A/3A Peak Synchronous Step-Down Regulator with 2.5A Quiescent Current

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LT8609

5

8609f

For more information www.linear.com/LT8609

Typical perForMance characTerisTics

No-Load Supply Current

vs Temperature

Top FET Current Limit

vs Duty Cycle

Top FET Current Limit

vs Temperature

Switch Drop vs Temperature

Switch Drop vs Switch Current

Minimum On-Time

vs Temperature

Minimum Off-Time

vs Temperature

Dropout Voltage vs Load Current

Switching Frequency

vs Temperature

LOAD CURRENT (A)

0

800

200

700

300

600

500

100

400

0

1.5

8609 G20

3

1

2.5

2

0.5

TEMPERATURE (°C)

–50

–10

30

70

110

150

1.3

1.5

1.7

1.9

2.1

2.3

2.5

2.7

2.9

3.1

3.3

No Load Supply Current Vs Temperature

8609 G13

DUTY CYCLE (%)

0

20

40

60

80

100

3.50

3.75

4.00

4.25

4.50

4.75

5.00

5.25

5.50

Top Fet Current Limit vs Duty Cycle

8609 G14

TEMPERATURE (°C)

–50

–10

30

70

110

150

4.6

4.7

4.8

4.9

5.0

5.1

5.2

5.3

5.4

5.5

5.6

Top FET Current Limit Vs Temperature

8609 G15

SWITCH CURRENT = 1A

TOP SW

BOT SW

TEMPERATURE (°C)

–50 –30 –10 10 30 50 70 90 110 130 150

0

50

100

150

200

250

300

350

Switch Drop vs Temperature

8609 G16

TOP SW

BOT SW

SWITCH CURRENT (V)

0

0.5

1

1.5

2

2.5

3

0

100

200

300

400

500

600

700

800

Switch Drop vs Switch Current

8609 G17

TEMPERATURE (°C)

–50 –30 –10 10 30 50 70 90 110 130 150

50

60

70

80

90

100

110

120

130

140

150

Minimum Off–Time Vs Temperature

8609 G19

RT = 18.2kΩ

TEMPERATURE (°C)

–50 –30 –10 10 30 50 70 90 110 130 150

1.975

1.980

1.985

1.990

1.995

2.000

2.005

Switching Frequency Vs Temperature

8609 G21

SYNC = 2V, 1.5A OUT

SYNC = 0V, 1.5A OUT

TEMPERATURE (°C)

–50 –30 –10 10 30 50 70 90 110 130 150

0

10

20

30

40

50

60

70

Minimum On-Time Vs Temperature

8609 G18

Similar Part No. - LT8609_15

Manufacturer	Part #	Datasheet	Description
Linear Technology	LT8609A	622Kb / 8P	42V, 2A Micropower Synchronous Step-Down Regulator
Analog Devices	LT8609A	2Mb / 30P	65V, 8A Synchronous Step-Down Silent Switcher 2 with 2.5μA Quiescent Current Rev. B
Linear Technology	LT8609A	1Mb / 38P	42V, Low IQ, Quad Output Triple Monolithic Buck Converter and Boost Controller
Analog Devices	LT8609A	3Mb / 30P	65V, 8A Synchronous Step-Down Silent Switcher with 2.5μA Quiescent Current Rev. A
Linear Technology	LT8609A	1Mb / 26P	60V, 1.2A Synchronous Monolithic Buck Regulator with 6關A Quiescent Current

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Similar Description - LT8609_15

Manufacturer	Part #	Datasheet	Description
Analog Devices	LT8609S	1Mb / 24P	42V, 2A/3A Peak Synchronous Step-Down Regulator with 2.5μA Quiescent Current Rev. D
Linear Technology	LT8610	306Kb / 22P	42V, 2.5A Synchronous Step-Down Regulator with 2.5A Quiescent Current
	LT8609S	1Mb / 24P	42V, 2A/3A Peak Synchronous Step-Down Regulator with 2.5關A Quiescent Current
	LT8610A	378Kb / 26P	42V, 3.5A Synchronous Step-Down Regulator with 2.5A Quiescent Current
	LT8610AB	378Kb / 26P	42V, 3.5A Synchronous Step-Down Regulator with 2.5A Quiescent Current
	LT8610AC	544Kb / 26P	42V, 3.5A Synchronous Step-Down Regulator with 2.5A Quiescent Current
	LT8610AC-1	544Kb / 26P	42V, 3.5A Synchronous Step-Down Regulator with 2.5A Quiescent Current
	LT8611	350Kb / 24P	42V, 2.5A Synchronous Step-Down Regulator with Current Sense and 2.5A Quiescent Current
	LT8612	400Kb / 20P	42V, 6A Synchronous Step-Down Regulator with 3A Quiescent Current
	LT8620	590Kb / 26P	65V, 2A Synchronous Step-Down Regulator with 2.5A Quiescent Current

More results

LT8609 Datasheet(PDF) 5 Page - Linear Technology

LT8609 Datasheet(HTML) 5 Page - Linear Technology

Similar Part No. - LT8609_15

Similar Description - LT8609_15

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