LTM4675 datasheet(20/20 Pages) LINER

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LTC3870-1

38701f

For more information www.linear.com/LTC3870-1



LINEAR TECHNOLOGY CORPORATION 2015

LT 1115 • PRINTED IN USA

LinearTechnology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408)432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LTC3870-1

Typical applicaTion

LTC3870-1

100

1000pF

0.42µH

4.7µF

530µF

84.5k

0.0015

100

1000pF

100

DrMOS

VIN

RUN0

RUN1

FAULT0

FAULT1

ITH0

SYNC

ITH1

FREQ

PHASMD

MODE1

MODE0

GND

ILIM

ISENSE1-

ISENSE0-

ISENSE0+ ISENSE1+

VCC1

VCC0

PWM0

PWM1

INTVCC

EXTVCC

VOUT

1.5V

80A

RUN0

RUN1

GPIO0

GPIO1

ITH0

SYNC

ITH1

LTC3887-1

VSENSE0+

VSENSE1+

1.5V

* REFER TO LTC3887-1 DATA SHEET

FOR MASTER SETUP

VIN

7V TO 14V

0.42µH

38701 TA04

DrMOS: FAIRCHILD FDMF6820A

4-Phase 1.5V/80A Step-Down Converter with Sensing Resistors

relaTeD parTs

PART

NUMBER

DESCRIPTION

COMMENTS

LTM4676A Dual 13A or Single 26A Step-Down DC/DC µModule Regulator

with Digital Power System Management

4.5V ≤ VIN ≤ 17V, 0.5V ≤ VOUT (±0.5%) ≤ 5.5V, I2C/PMBus Interface,

16mm × 16mm × 5mm, BGA Package

LTM4675

Dual 9A or Single 18A μModule Regulator

with Digital Power System Management

4.5V ≤ VIN ≤1 7V; 0.5V ≤ VOUT (±0.5%) ≤ 5.5V, I2C/PMBus Interface,

11.9mm × 16mm × 5mm, BGA Package

LTM4677

Dual 18A or Single 18A μModule Regulator

with Digital Power System Management

4.5V ≤ VIN ≤ 16V; 0.5V ≤ VOUT (±0.5%) ≤ 1.8V, I2C/PMBus Interface,

16mm × 16mm × 5.01mm, BGA Package

LTC3884

Dual Output Multiphase Step-Down Controller with Sub MilliOhm DCR

Sensing Current Mode Control and Digital Power System Management

4.5V ≤ VIN ≤ 38V, 0.5V ≤ VOUT (±0.5%) ≤ 5.5V, 70ms Start-Up, I2C/PMBus

Interface, Programmable Analog Loop Compensation, Input Current Sense

LTC3887/

LTC3887-1

Dual Output Multiphase Step-Down DC/DC Controller

with Digital Power System Management, 70ms Start-Up

4.5V ≤ VIN ≤ 24V, 0.5V ≤ VOUT0,1 (±0.5%) ≤ 5.5V, 70ms Start-Up, I2C/

PMBus Interface, –1 Version Uses DrMOS and Power Blocks

LTC3882/

LTC3882-1

Dual Output Multiphase Step-Down DC/DC Voltage Mode

Controller with Digital Power System Management

3V ≤ VIN ≤ 38V, 0.5V ≤ VOUT1,2 ≤ 5.25V, ±0.5% VOUT Accuracy

I2C/PMBus Interface, Uses DrMOS or Power Blocks

LTC3886

60V Dual Output Step-Down Controller

with Digital Power System Management

4.5V ≤ VIN ≤ 60V, 0.5V ≤ VOUT0,1 (±0.5%) ≤ 13.8V, 70ms Start-Up,

I2C/PMBus Interface, Input Current Sense

LTC3883/

LTC3883-1

Single Phase Step-Down DC/DC Controller

with Digital Power System Management

VIN Up to 24V, 0.5V ≤ VOUT ≤ 5.5V, Input Current Sense Amplifier,

I2C/PMBus Interface with EEPROM and 16-Bit ADC, ±0.5% VOUT Accuracy

LTC3815

6A Monolithic Synchronous DC/DC Step-Down Converter

with Digital Power System Management

2.25V ≤ VIN ≤ 5.5V, 0.4V ≤ VOUT ≤ 0.72VIN, Programmable VOUT Range

±25% with 0.1% Resolution, Up to 3MHz Operation with 13-bit ADC

LTC3874

Multiphase Step-Down Synchronous Slave Controller

with Sub MilliOhm DCR Sensing

4.5V ≤ VIN ≤ 38V, VOUT Up to 5.5V, Very High Output Current,

Accurate Current Sharing, Current Mode Applications

LTC3880/

LTC3880-1

Dual Output Multiphase Step-Down DC/DC Controller

with Digital Power System Management

4.5V ≤ VIN ≤ 24V, 0.5V ≤ VOUT0 (±0.5%) ≤ 5.4V, 145ms Start-Up,

I2C/PMBus Interface with EEPROM and 16-Bit ADC

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