LTC3370 datasheet(22/22 Pages) AD

22 / 22 page

LTC3315B

Rev. 0

For more information www.analog.com

www.analog.com



ANALOG DEVICES, INC. 2020

04/20

RELATED PARTS

TYPICAL APPLICATION

Dual Buck Regulators with Supply Sequencing

220nH

10µF

46.4k

33.2k

6.8pF

4.7µF

220nH

86.6k

33.2k

4.7µF

10µF

3.3pF

169k

100k

0.1µF

VIN

SW1

FB1

SW2

FB2

PGOOD

EN2

MODE/SYNC

GND

EN1

VIN

LTC3315B

VIN

3.3V

VOUT1

1.2V, 2A

VOUT2

1.8V, 2A

fSW = 6MHz

3315B TA07

1µF

0201

1µF

0201

PART NUMBER DESCRIPTION

COMMENTS

LTC3309A/

LTC3309B

6A, Low Voltage, Synchronous Step-Down

DC/DC in 2mm × 2mm LQFN

Monolithic Synchronous Step-Down DC/DC Capable of Supplying 6A at Switching

Frequencies Up to 3MHz (LTC3309A) or 3MHZ to 10MHz (LTC3309B). 2.25V to 5.5V

Input Operating Range. 0.5V to VIN Output Voltage Range with ±1% Accuracy. PGOOD

Indication, RT Programming, SYNC Input. 2mm × 2mm LQFN

LTC3307A/

LTC3307B

3A, Low Voltage, Synchronous Step-Down

DC/DC in 2mm × 2mm LQFN

Monolithic Synchronous Step-Down DC/DC Capable of Supplying 3A at Switching

Frequencies Up to 3MHz (LTC3307A) or 3MHz to 10MHz (LTC3307B). 2.25V to 5.5V

Input Operating Range. 0.5V to VIN Output Voltage Range with ±1% Accuracy. PGOOD

Indication, RT Programming, SYNC Input. 2mm x 2mm LQFN

LTC3308A/

LTC3308B

4A, Low Voltage, Synchronous Step-Down

DC/DC in 2mm × 2mm LQFN

Monolithic Synchronous Step-Down DC/DC Capable of Supplying 3A at Switching

Frequencies Up to 3MHz (LTC3308A) or 3MHz to 10MHz (LTC3308B). 2.25V to 5.5V

Input Operating Range. 0.5V to VIN Output Voltage Range with ±1% Accuracy. PGOOD

Indication, RT Programming, SYNC Input. 2mm x 2mm LQFN

LTC3310S

10A, Low Voltage, Synchronous Step-Down

Silent Switcher® in 3mm × 3mm LQFN

Monolithic Synchronous Step-Down DC/DC Capable of Supplying 10A at Switching

Frequencies Up to 5MHz. Silent Switcher Architecture for Ultralow EMI Emissions.

2.25V to 5.5V Input Operating Range. 0.5V to VIN Output Voltage Range with ±1%

Accuracy. PGOOD Indication, RT Programming, SYNC Input. Configurable for

Paralleling Power Stages. 3mm × 3mm LQFN

LTC3315A

Dual 2A, Low Voltage, Synchronous Step-

Down DC/DC in 2mm × 2mm LQFN

Version of the LTC3315B switching at frequencies from 1MHz to 3MHz. 2mm x 2mm LQFN

LTC3370/

LTC3371

4-Channel 8A Configurable 1A Buck DC/DCs

Four Synchronous Buck Regulators with 8 × 1A Power Stages. Can Connect Up to Four

Power Stages in Parallel to Make a High Current Output (4A Maximum) with a Single

Inductor. 8 Output Configurations Possible. Precision PGOOD Indication. LTC3371

Has a Watchdog Timer. LTC3370: 32-Lead 5mm × 5mm QFN. LTC3371: 38-Lead

5mm × 7mm QFN and TSSOP

LTC3374/

LTC3374A

8-Channel Parallelable 1A Buck DC/DCs

Eight 1A Synchronous Buck Regulators. Can Connect Up to Four Power Stages in

Parallel to Make a High Current Output (4A Maximum) with a Single Inductor. 15 Output

Configurations Possible. Precision Enable Inputs and PGOOD_ALL Reporting. 38-Lead

5mm × 7mm QFN and TSSOP

LTC3375

8-Channel Parallelable 1A Buck DC/DCs

Eight 1A Synchronous Buck Regulators. Can Connect Up to Four Power Stages in

Parallel to Make a High Current Output (4A Maximum) with a Single Inductor. 15 Output

Configurations Possible. Precision Enable Inputs and PGOOD_ALL Reporting. I2C

Programming with a Watchdog Timer and Pushbutton. 48-Lead 7mm × 7mm QFN

LT8614

42V, 4A Synchronous Step-Down Silent

Switcher® with 2.5μA Quiescent Current

Synchronous Micropower Step-Down DC/DC Converter with Silent Switcher

Architecture. Up to 96% Efficiency at 1MHz, 12VIN to 5VOUT. Up to 94% Efficiency

at 2MHz, 12VIN to 5VOUT. VIN: 3.4V to 42V, VOUT(MIN) = 0.97V, IQ = 2.5μA, ISD <1μA,

18-Lead 3mm × 4mm QFN

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