LTC3890-1 datasheet(38/38 Pages) LINER

部件名	LTC3890-1

功能描述	60V PolyPhase Synchronous Boost Controller

Download	38 Pages

Scroll/Zoom	100%

制造商	LINER [Linear Technology]

网页	http://www.linear.com

标志

38 / 38 page

LTC3784

38

3784fb

For more information www.linear.com/LTC3784



LINEAR TECHNOLOGY CORPORATION 2014

LT 0715 REV B • PRINTED IN USA

LinearTechnology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408)432-1900 ● FAX: (408) 434-0507 ● www.linear.com/3784

relaTeD parTs

Typical applicaTion

PART NUMBER

DESCRIPTION

COMMENTS

LTC3788/LTC3788-1

Multiphase, Dual Output Synchronous Step-Up

Controller

4.5V (Down to 2.5V After Start-Up) ≤ VIN ≤ 38V, VOUT Up to 60V, 50kHz to

900kHz Fixed Operating Frequency, 5mm

× 5mm QFN-32, SSOP-28

LTC3787

2-Phase Single Output Synchronous Boost Controller 4.5V ≤ VIN ≤ 38V, VOUT Up to 60V, 50kHz to 900kHz, 4mm × 5mm

QFN-28 and SSOP-28 Packages

LTC3786

Low IQ Synchronous Step-Up Controller

4.5V (Down to 2.5V After Start-Up) ≤ VIN ≤ 38V, VOUT Up to 60V, 50kHz to

900kHz Fixed Operating Frequency, 3mm

× 3mm QFN-32, MSOP-16E

LTC3862/LTC3862-1/

LTC3862-2

Multiphase, Dual Channel Single Output Current

Mode Step-Up DC/DC Controller

4V ≤ VIN ≤ 36V, 5V or 10V Gate Drive, 75kHz to 500kHz Fixed Operating

Frequency, SSOP-24, TSSOP-24, 5mm

× 5mm QFN-24

LT3757/LT3758

Boost, Flyback, SEPIC and Inverting Controller

2.9V ≤ VIN ≤ 40V/100V, 100kHz to 1MHz Fixed Operating Frequency,

3mm

× 3mm DFN-10 and MSOP-10E

LTC3859AL

Low IQ, Triple Output Buck/Buck/Boost Synchronous

DC/DC Controller

All Outputs Remain in Regulation Through Cold Crank, 4.5V (Down to

2.5V After Start-Up) ≤ VIN ≤ 38V, VOUT(BUCKS) Up to 24V, VOUT(BOOST)

Up to 60V, IQ = 28µA

LTC3789

High Efficiency Synchronous 4-Switch Buck-Boost

DC/DC Controller

4V ≤ VIN ≤ 38V, 0.8V ≤ VOUT ≤ 38V, 4mm × 5mm QFN-28 and SSOP-28

LT8705

80V VIN and VOUT Synchronous 4-Switch Buck-Boost

DC/DC Controller

VIN Range: 2.8V (Need EXTVCC > 6.4V) to 80V, VOUT Range: 1.3V to 80V,

Four Regulation Loops

LTC3890/LTC3890-1/

LTC3890-2/LTC3890-3

60V, Low IQ, Dual 2-Phase Synchronous Step-Down

DC/DC Controller

Phase-Lockable Fixed Frequency 50kHz to 900kHz, 4V ≤ VIN ≤ 60V,

0.8V ≤ VOUT ≤ 24V, IQ = 50μA

Figure 16. PolyPhase Application

TG1

BG1

0°

I1

I2

I3

I4

BOOST: 24V, 5A

REFER TO FIGURE 15 FOR APPLICATION CIRCUITS

* RIPPLE CURRENT CANCELLATION INCREASES THE RIPPLE

FREQUENCY AND REDUCES THE RMS INPUT/OUTPUT RIPPLE

CURRENT, THUS SAVING INPUT/OUTPUT CAPACITORS

3784 F16

PHASMD

LTC3784

CLKOUT

CIN

12V

24V, 20A

TG2

BG2

180°

I2

BOOST: 24V, 5A

TG1

BG1

90°

90,270

+90°

I3

BOOST: 24V, 5A

PHASMD

LTC3784

PLLIN/MODE

TG2

BG2

270°

I4

BOOST: 24V, 5A

COUT

ICOUT

IIN

I*IN

I*COUT

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	LTC3784	523Kb / 38P	60V PolyPhase Synchronous Boost Controller
	LTC3787	373Kb / 36P	PolyPhase Synchronous Boost Controller
	LTC3787	372Kb / 36P	PolyPhase Synchronous Boost Controller
	LT3762	2Mb / 34P	60V Synchronous Boost LED Controller
Analog Devices	LTC7841	1Mb / 48P	PolyPhase Synchronous Boost Controller with PMBus Interface
Linear Technology	LTC3769	433Kb / 32P	60V Low IQ Synchronous Boost Controller
	LT3791EFE-1	332Kb / 26P	60V 4-Switch Synchronous Buck-Boost Controller
	LT3790	451Kb / 28P	60V Synchronous 4-Switch Buck-Boost Controller
	LT3790	603Kb / 10P	60V Four-Switch Synchronous Buck-Boost Controller
	LTC7813	1Mb / 42P	Low IQ, 60V Synchronous BoostBuck Controller