LTC3315A

24

Rev. A

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RELATED PARTS

TYPICAL APPLICATION

Dual Buck Regulators with Supply Sequencing

880nH

33µF

140k

100k

6.8pF

10µF

1.0µH

261k

100k

10µF

22µF

4.7pF

1M

169k

100k

0.1µF

SW1

FB1

SW2

FB2

PGOOD

EN2

MODE/SYNC

GND

EN1

LTC3315A

2.25V TO 5.5V

1.2V, 2A

1.8V, 2A

3315A TA07

1µF

0201

1µF

0201

PART NUMBER DESCRIPTION

COMMENTS

LTC3309A

6A, Low Voltage, Synchronous Step-Down

DC/DC in 2mm × 2mm LQFN

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

Voltage Range with ±1% Accuracy. PGOOD Indication, RT Programming, SYNC Input.

2mm × 2mm LQFN

LTC3310S

10A, Low Voltage, Synchronous Step-Down

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

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

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

Paralleling Power Stages. 3mm × 3mm 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

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

LT8614

42V, 4A Synchronous Step-Down Silent

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

18-Lead 3mm × 4mm QFN