LTC3613IWKH#PBF

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Analog Devices

24V, 15A MONOLITHIC STEP DOWN REGULATOR WITH DIFFERENTIAL OUTPUT SENSING

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DocumentsR546 Reliability Data Datasheet

LTC3613IWKH#PBF

Active

Analog Devices

24V, 15A MONOLITHIC STEP DOWN REGULATOR WITH DIFFERENTIAL OUTPUT SENSING

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DocumentsR546 Reliability Data Datasheet

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Technical Specifications

Parameters and characteristics for this part

Specification	LTC3613IWKH#PBF

Current - Output	15 A
Frequency - Switching [Max]	1 MHz
Frequency - Switching [Min]	200 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	125 ¯C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Type	Adjustable
Package / Case	56-VFQFN Exposed Pad
Supplier Device Package	56-QFN Multipad (7x9)
Synchronous Rectifier	True
Topology	Buck
Voltage - Input (Max) [Max]	24 V
Voltage - Input (Min) [Min]	4.5 V
Voltage - Output (Max) [Max]	5.5 V
Voltage - Output (Min/Fixed)	0.6 V

LTC3613 Series

24V, 15A Monolithic Step Down Regulator with Differential Output Sensing

Part	Current - Output	Voltage - Input (Max) [Max]	Mounting Type	Number of Outputs	Voltage - Output (Max) [Max]	Operating Temperature [Min]	Operating Temperature [Max]	Package / Case	Synchronous Rectifier	Voltage - Input (Min) [Min]	Topology	Supplier Device Package	Frequency - Switching [Max]	Frequency - Switching [Min]	Voltage - Output (Min/Fixed)	Output Type	Output Configuration	Function
Analog Devices LTC3613EWKH#PBF	15 A	24 V	Surface Mount	1	5.5 V	-40 °C	125 ¯C	56-VFQFN Exposed Pad		4.5 V	Buck	56-QFN Multipad (7x9)	1 MHz	200 kHz	0.6 V	Adjustable	Positive	Step-Down
Analog Devices LTC3613IWKH#PBF	15 A	24 V	Surface Mount	1	5.5 V	-40 °C	125 ¯C	56-VFQFN Exposed Pad		4.5 V	Buck	56-QFN Multipad (7x9)	1 MHz	200 kHz	0.6 V	Adjustable	Positive	Step-Down

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 28.88
		10	$ 21.50
		25	$ 19.61
		100	$ 17.51
		250	$ 16.59

Description

General part information

LTC3613 Series

The LTC3613 is a monolithic synchronous step-down switching regulator capable of regulating outputs from 0.6V to 5.5V with up to 15A output current. The controlled on-time constant frequency valley current mode architecture allows for both fast transient response and constant frequency switching in steady-state operation, independent of VIN, VOUTand load. This also provides excellent current sharing capability.Differential output voltage sensing along with a precision internal reference combine to offer ±0.67% output regulation, even if the output ground reference deviates from local ground by 500mV. The switching frequency can be programmed from 200kHz to 1MHz with an external resistor. The switching frequency is also phase synchronizable to an external clock in applications where switching noise/EMI reduction is crucial.Very low tONand tOFFtimes allow for near 0% and near 100% duty cycles, respectively. Voltage tracking soft start-up is provided for tracking and sequencing applications. Safety features include output overvoltage protection, programmable current limit with foldback, and power good monitoring.ApplicationsDistributed Power SystemPoint-of-Load ConvertersServers