LTC4449 datasheet(48/48 Pages) AD

48 / 48 page

LTC7872

Rev. 0

For more information www.analog.com



ANALOG DEVICES, INC. 2021

03/21

www.analog.com

RELATED PARTS

TYPICAL APPLICATION

LTC7060

7872 TA03

DRIVER

PWM1

0.1µF

1.87k

18.7k

0.1µF

1.69k

15µH

SNSA1+

SNSD1+

SNS1–

VFBLOW

OVLOW

EXTVCC

VLOW

24V/60A

OVHIGH

UVHIGH

VFBHIGH

VHIGH

ITHLOW

IMON

SETCUR

DRVCC

PWMEN

FREQ

SGND

VHIGH

DRIVER

PWM4

0.1µF

1.87k

18.7k

0.1µF

1.69k

15µH

SNSA4+

SNSD4+

SNS4–

VHIGH

ITHHIGH

22µF

×4

210k

+ 33µF

×4

VHIGH

36V TO 70V

2.2µF

×12

+ 33µF

×12

191k

10k

2.2

100pF

0.1µF

4.7µF

45.3k

0.33µF

1µF

1nF

499

51k

37.4k

0.1µF

47pF

499

499k

12.7k

267k

10k

3.01M

48.7k

BOOST

BUCK

SPI

INTERFACE

(PHASE 2 TO PHASE 3)

PINS NOT USED

IN THIS CIRCUIT:

CLKOUT

DRVSET

MODE

RUN

FAULT

PGOOD

LTC7872

1µF

ZHCS400

ILIM

30.1k

10k

BUCK

SCLK

SDI

SDO

CSB

LTC7060

High Efficiency 4-Phase 24V/60A Bidirectional Supply

PART NUMBER

DESCRIPTION

COMMENTS

LTC7871

Six-Phase, Synchronous Bidirectional Buck or Boost

Controller

Up to 100V for VHIGH, Up to 60V VLOW, PLL Fixed Frequency 60kHz to 750kHz,

64-Lead LQFP

LTC7060

100V Half Bridge Gate Driver with Floating Grounds

and Programmable Dead-Time

Up to 100V Supply Voltage, 6V ≤ VCC ≤ 14V, Adaptive Shoot-Through

Protection, 2mm × 3mm LFCSP and 12-Lead MSOP

LT8228

Bidirectional Buck or Boost Controller with Fault

Protection

Up to 100V for VHIGH, and VLOW, Ideal for 48V/12V Automotive Battery

Applications

LT8708/LT8708-1 80V Synchronous 4-Switch Buck-Boost DC/DC

Controller with Flexible Bidirectional Capability

2.8V ≤ VIN ≤ 80V, 1.3V ≤ VOUT ≤ 80V, PLL Fixed Frequency 100kHz to 400kHz,

5mm × 8mm QFN-40

LTC3871

Bidirectional PolyPhase Synchronous Buck or

Boost Controller

Up to 100V VHIGH, Up to 30V VLOW, PLL Fixed Frequency 60kHz to 460kHz,

48-Lead LQFP

LTC4449

High Speed Synchronous N-Channel MOSFET Driver Up to 38V Supply Voltage, 4V ≤ VCC ≤ 6.5V, Adaptive Shoot-Through

Protection, 2mm × 3mm DFN-8

LTC3779

150V VIN and VOUT Synchronous 4-Switch

Buck-Boost Controller

4.5V ≤ VIN ≤ 150V, 1.2V ≤ VOUT ≤ 150V, PLL Fixed Frequency 50kHz to

600kHz, FE38 TSSOP

LTC7813

60V Low IQ Synchronous Boost+Buck Controller,

Low EMI and Low Input/Output Ripple

4.5V (Down to 2.2V After Start-Up) ≤ VIN ≤ 60V, Boost VOUT Up to 60V, 0.8V ≤

Buck VOUT ≤ 60V, IQ = 29µA, 5mm × 5mm QFN-32 Package

LTC3899

60V, Triple Output, Buck/Buck/Boost Synchronous

Controller with 29µA Burst Mode IQ

4.5V (Down to 2.2V after Start-Up) ≤ VIN ≤ 60V, VOUT Up to 60V, Buck VOUT

Range: 0.8V to 60V, Boost VOUT Up to 60V

LTM® 8056

58VIN, Buck-Boost µModule Regulator, Adjustable

Input and Output Current Limiting

5V ≤ VIN ≤ 58V, 1.2V ≤ VOUT ≤ 48V, 15mm × 15mm × 4.92mm BGA Package

LTC7103

105V, 2.3A, Low EMI Synchronous

Step-Down Regulator

4.4V ≤ VIN ≤ 105V, 1V ≤ VOUT ≤ VIN, IQ = 2µA, Fixed Frequency 200kHz,

5mm × 6mm QFN Package

LTC4449 Datasheet(PDF) 48 Page - Analog Devices

LTC4449 Datasheet(HTML) 48 Page - Analog Devices

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