LTC3890-1 datasheet(2/38 Pages) LINER

部件名	LTC3890-1

功能描述	60V Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller

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制造商	LINER [Linear Technology]

网页	http://www.linear.com

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2 / 38 page

LTC3899

2

3899fa

For more information www.linear.com/LTC3899

ABSOLUTE MAXIMUM RATINGS

Bias Input Supply Voltage (VBIAS).............. –0.3V to 65V

Topside Driver Voltages

BOOST1, BOOST2, BOOST3 .................. –0.3V to 76V

Switch Voltage (SW1, SW2, SW3) ................ –5V to 70V

DRVCC, (BOOST1-SW1), (BOOST2-SW2),

(BOOST3-SW3)...........................................–0.3V to 11V

BG1, BG2, BG3, TG1, TG2, TG3.......................... (Note 8)

RUN1, RUN2, RUN3 Voltages..................... –0.3V to 65V

SENSE1+, SENSE2+, SENSE1–

SENSE2– Voltages ..................................... –0.3V to 65V

SENSE3+, SENSE3– Voltages..................... –0.3V to 65V

(Notes 1, 3)

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

TOP VIEW

FE PACKAGE

38-LEAD PLASTIC TSSOP

38

37

36

35

34

33

32

31

30

29

28

27

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25

24

23

22

21

20

ITH1

VFB1

SENSE1+

SENSE1–

FREQ

PLLIN/MODE

SS3

SENSE3+

SENSE3–

VFB3

ITH3

INTVCC

RUN1

RUN2

RUN3

SENSE2–

SENSE2+

VFB2

ITH2

VPRG3

TRACK/SS1

TG1

SW1

BOOST1

BG1

SW3

TG3

BOOST3

BG3

VBIAS

EXTVCC

DRVCC

BG2

BOOST2

SW2

TG2

TRACK/SS2

DRVSET

39

GND

TJMAX = 150°C, θJA = 25°C/W

EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB

13 14 15 16

TOP VIEW

39

GND

UHF PACKAGE

38-LEAD (5mm

× 7mm) PLASTIC QFN

17 18 19

38 37 36 35 34 33 32

24

25

26

27

28

29

30

31

8

7

6

5

4

3

2

1

FREQ

PLLIN/MODE

SS3

SENSE3+

SENSE3–

VFB3

ITH3

INTVCC

RUN1

RUN2

RUN3

SENSE2–

SW1

BOOST1

BG1

SW3

TG3

BOOST3

BG3

VBIAS

EXTVCC

DRVCC

BG2

BOOST2

23

22

21

20

9

10

11

12

TJMAX = 150°C, θJA = 34°C/W

EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB

PIN CONFIGURATION

PLLIN/MODE, FREQ, DRVSET Voltages....... –0.3V to 6V

EXTVCC Voltage ......................................... –0.3V to 14V

ITH1, ITH2, ITH3, VFB1, VFB2 Voltages ......... –0.3V to 6V

VFB3 Voltage............................................... –0.3V to 65V

VPRG3, Voltage ........................................... –0.3V to 6V

TRACK/SS1, TRACK/SS2, SS3 Voltages...... –0.3V to 6V

Operating Junction Temperature Range (Note 2)

LTC3899E, LTC3899I......................... –40°C to 125°C

LTC3899H.......................................... –40°C to 150°C

LTC3899MP....................................... –55°C to 150°C

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

类似零件编号 - LTC3890-1

制造商	部件名	数据表	功能描述
Linear Technology	LTC3890-1	504Kb / 36P	60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller
	LTC3890-1	5Mb / 44P	60V Low IQ Buck Controller Plus 4-Channel 8A Configurable Buck DC/DCs
	LTC3890-1	598Kb / 44P	Triple Output, Buck/Buck/Boost Synchronous Controller with 28關A Burst Mode IQ
	LTC3890-1	882Kb / 36P	60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller
	LTC3890-1	541Kb / 36P	60V Low IQ Inverting DC/DC Controller Wide Operating VIN Range: 3.5V to 60V

More results

类似说明 - LTC3890-1

制造商	部件名	数据表	功能描述
Linear Technology	LTC3899	727Kb / 38P	60V Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller
	LTC3859	598Kb / 40P	Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller
	LTC3859	634Kb / 42P	Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller
	LTC7813	1Mb / 42P	Low IQ, 60V Synchronous BoostBuck Controller
Analog Devices	LTC7817	2Mb / 44P	40V, Low IQ, 3MHz, Triple Output Buck/Buck/Boost Synchronous Controller
Analog Devices	LTC7811	2Mb / 42P	40V, Low IQ, 3MHz, Triple Output Buck/Buck/Boost Controller
Linear Technology	LTC3859AL	598Kb / 44P	Triple Output, Buck/Buck/Boost Synchronous Controller with 28A Burst Mode IQ
	LTC3859A	548Kb / 44P	Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller with Improved Burst Mode Operation
	LTC7812	2Mb / 44P	Low IQ, 38V Synchronous BoostBuck Controller
	LTC3859AL	598Kb / 44P	Triple Output, Buck/Buck/Boost Synchronous Controller with 28關A Burst Mode IQ