LTC3615HFE#TRPBF

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Analog Devices

DUAL 4MHZ, 3A SYNCHRONOUS STEP-DOWN DC/DC CONVERTER

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LTC3615HFE#TRPBF

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Analog Devices

DUAL 4MHZ, 3A SYNCHRONOUS STEP-DOWN DC/DC CONVERTER

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Technical Specifications

Parameters and characteristics for this part

Specification	LTC3615HFE#TRPBF

Current - Output	3 A
Frequency - Switching [Max]	4 MHz
Frequency - Switching [Min]	400 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	2
Operating Temperature [Max]	150 °C
Operating Temperature [Min]	-55 °C
Output Configuration	Positive
Output Type	Adjustable
Package / Case	0.173 in
Package / Case	Exposed Pad, 24-TSSOP
Package / Case [y]	4.4 mm
Supplier Device Package	24-TSSOP
Synchronous Rectifier	True
Topology	Buck
Voltage - Input (Max) [Max]	5.5 V
Voltage - Input (Min) [Min]	2.25 V
Voltage - Output (Max) [Max]	5.5 V
Voltage - Output (Min/Fixed)	0.6 V

LTC3615 Series

Dual 4MHz, 3A Synchronous Step-Down DC/DC Converter

Part	Mounting Type	Number of Outputs	Operating Temperature [Min]	Operating Temperature [Max]	Voltage - Input (Max) [Max]	Voltage - Output (Max) [Max]	Current - Output	Function	Voltage - Input (Min) [Min]	Topology	Package / Case	Output Type	Frequency - Switching [Min]	Frequency - Switching [Max]	Supplier Device Package	Voltage - Output (Min/Fixed)	Output Configuration	Package / Case	Package / Case [y]
Analog Devices LTC3615HUF-1#PBF	Surface Mount	2	-55 °C	150 °C	5.5 V	5.5 V	3 A	Step-Down	2.25 V	Buck	24-WFQFN Exposed Pad	Adjustable	400 kHz	4 MHz	24-QFN (4x4)	0.6 V	Positive
Analog Devices LTC3615EUF-1#PBF	Surface Mount	2	-55 °C	150 °C	5.5 V	5.5 V	3 A	Step-Down	2.25 V	Buck	24-WFQFN Exposed Pad	Adjustable	400 kHz	4 MHz	24-QFN (4x4)	0.6 V	Positive
Analog Devices LTC3615MPUF#TRPBF	Surface Mount	2	-55 °C	150 °C	5.5 V	5.5 V	3 A	Step-Down	2.25 V	Buck	24-WFQFN Exposed Pad	Adjustable	400 kHz	4 MHz	24-QFN (4x4)	0.6 V	Positive
Analog Devices LTC3615MPFE#PBF	Surface Mount	2	-55 °C	150 °C	5.5 V	5.5 V	3 A	Step-Down	2.25 V	Buck	24-TSSOP Exposed Pad	Adjustable	400 kHz	4 MHz	24-TSSOP	0.6 V	Positive	0.173 in	4.4 mm
Analog Devices LTC3615MPUF#PBF	Surface Mount	2	-55 °C	150 °C	5.5 V	5.5 V	3 A	Step-Down	2.25 V	Buck	24-WFQFN Exposed Pad	Adjustable	400 kHz	4 MHz	24-QFN (4x4)	0.6 V	Positive
Analog Devices LTC3615EFE#PBF	Surface Mount	2	-55 °C	150 °C	5.5 V	5.5 V	3 A	Step-Down	2.25 V	Buck	24-TSSOP Exposed Pad	Adjustable	400 kHz	4 MHz	24-TSSOP	0.6 V	Positive	0.173 in	4.4 mm
Analog Devices LTC3615HFE#TRPBF	Surface Mount	2	-55 °C	150 °C	5.5 V	5.5 V	3 A	Step-Down	2.25 V	Buck	24-TSSOP Exposed Pad	Adjustable	400 kHz	4 MHz	24-TSSOP	0.6 V	Positive	0.173 in	4.4 mm
Analog Devices LTC3615IFE-1#TRPBF	Surface Mount	2	-55 °C	150 °C	5.5 V	5.5 V	3 A	Step-Down	2.25 V	Buck	24-TSSOP Exposed Pad	Adjustable	400 kHz	4 MHz	24-TSSOP	0.6 V	Positive	0.173 in	4.4 mm
Analog Devices LTC3615EUF#TRPBF	Surface Mount	2	-55 °C	150 °C	5.5 V	5.5 V	3 A	Step-Down	2.25 V	Buck	24-WFQFN Exposed Pad	Adjustable	400 kHz	4 MHz	24-QFN (4x4)	0.6 V	Positive
Analog Devices LTC3615MPFE-1#TRPBF	Surface Mount	2	-55 °C	150 °C	5.5 V	5.5 V	3 A	Step-Down	2.25 V	Buck	24-TSSOP Exposed Pad	Adjustable	400 kHz	4 MHz	24-TSSOP	0.6 V	Positive	0.173 in	4.4 mm

Pricing

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

Distributor	Package	Quantity	$

Digikey	Tape & Reel (TR)	2500	$ 7.96

Description

General part information

LTC3615 Series

The LTC3615/LTC3615-1 are dual 3A synchronous stepdown regulators using a current mode, constant-frequency architecture. The DC supply current is only 130μA (Burst Mode operation at no-load) while maintaining the output voltages, dropping to zero current in shutdown. The 2.25V to 5.5V input supply range makes the parts ideally suited for single Li-Ion applications. 100% duty cycle capability provides low dropout operation, which extends operating time in battery-operated systems.The operating frequency is externally programmable up to 4MHz, allowing the use of small surface mount inductors. 0°, 90°, or 180° (LTC3615) or 140°/180° (LTC3615-1) of phase shift between the two channels can be selected to minimize input current ripple and output voltage ripple in a dual 3A or single 6A output configuration. Programmable slew rate limiting reduces EMI, and external synchronization can be applied up to 4MHz.The internal synchronous switches increase efficiency and eliminate the need for external catch diodes, saving external components and board space.The LTC3615/LTC3615-1 are offered in leadless 24-pin 4mm × 4mm QFN and thermally enhanced 24-pin eTSSOP packages.ApplicationsPoint-of-Load SuppliesDistributed Power SuppliesPortable Computer SystemsDDR Memory TerminationHandheld Devices

LTC3615HFE#TRPBF

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LTC3615HFE#TRPBF

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Technical Specifications

LTC3615 Series

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Description

LTC3615 Series

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LTC3615 Series