LT3755 datasheet(32/32 Pages) AD

32 / 32 page

LT8393

Rev. A

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ANALOG DEVICES, INC. 2019-2020

10/20

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RELATED PARTS

TYPICAL APPLICATION

PART NUMBER

DESCRIPTION

COMMENTS

LT8391/LT8391A

60V, Synchronous 4-Switch Buck-Boost LED

Controller with Spread Spectrum

VIN: 4V to 60V, VOUT: 0V to 60V, ±3% Current Accuracy, Internal and External

PWM Dimming, TSSOP-28 and 4mm × 5mm QFN-28

LT8390/LT8390A

High Efficiency, 2MHz, Synchronous, 4-Switch

Buck-Boost Controller

VIN: 4V to 60V, VOUT: 1V to 60V, ISD = <1µA, TSSOP-28E and 4mm × 5mm

QFN-28

LT3922

36V, 2A, 2MHz Synchronous Step Up LED Driver with

Internal 128:1 PWM Dimming

VIN: 2.8V to 36V, VOUT: 4V to 34V, ISD = 1µA, Internal 128:1 PWM Dimming,

Ext 5000:1, 4mm × 5mm QFN-28

LT3755/LT3755-1/

LT3755-2

40VIN, 75VOUT, 1MHz Non-Synchronous Boost LED

Controller

VIN: 4.5V to 40V, VOUT: VIN to 75V, ±4% Current Accuracy, 3mm × 3mm

QFN-16 and MSE-16

LT3761

60VIN, 80VOUT, 1MHz Non-Synchronous Boost LED

Controller with Internal PWM Generator

VIN: 4.5V to 60V, VOUT: VIN to 80V, ±3% Current Accuracy, External and

Internal PWM dimming, MSE-16

LT3762

60V, Synchronous Boost LED Driver Controller with

Spread Spectrum

VIN: 2.5V to 38.5V, VOUT: 0V to 60V, +/-3.5% Current Accuracy, Internal and

External PWM Dimming, TSSOP-28 and 4mm × 5mm QFN-28

LT3763

60V, Synchronous Step-Down LED Controller

VIN: 6V to 60V, VOUT: 0V to 55V, Internal and External PWM Dimming,

TSSOP-28

LT3795

110V, 1MHz Non-Synchronous Boost LED Controller

with Spread Spectrum Frequency Modulation

VIN: 4.5V to 110V, VOUT: VIN to 110V, ±3% Current Accuracy, Internal Spread

Spectrum, TSSOP-28

Highly Efficient 2MHz Buck-Boost Controller Driving LEDs at High Current (1.5A)

165k

22nF

4.7µF

0.1µF

22µF

383k

4.7µF

100k

0.47µF

51.1k

3.3nF

4.7k

48.7k

10µF

100k

0.1µF

1µF

2.2µH

68m

300k

EN/UVLO

VREF

CTRL

FAULT

BG2

BST2

TG2

INTVCC

VOUT

ISP

ISN

SYNC/SPRD

VIN

6V TO 32V CONTINUOUS

4V TO 56V TRANSIENT

2MHz

63V

100V

×2

25V

×2

FAULT

LSP

LSN

SW1

SW2

BST1

TG1

BG1

VIN

LT8393

GND

SSFM OFF

SSFM ON

L1: COILCRAFT XAL5030-222MEB 2.2µH

M1, M2: NXP BUK9M42-60E

M3, M4: INFINEON IPZ40N04S5L-7R4

M5: VISHAY Si2343CDS

D1, D2: NXP BAT46WJ

R1: SUSUMU KRL3216D-C-R006-F

INTVCC

PWMTG

16V

1.5A

LEDs

PWM

ANALOG DIM

PWM DIM

PWM SETTING

122Hz

EXT

INT

8393 TA02a

LT3755 Datasheet(PDF) 32 Page - Analog Devices

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