LTC3115IDHD-1#WPBF

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Analog Devices

DC-DC SWITCHING SYNCHRONOUS BUCK-BOOST REGULATOR, ADJUSTABLE, 2.7 TO 40V IN, 2.7 TO 40V/2A OUT

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LTC3115IDHD-1#WPBF

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Analog Devices

DC-DC SWITCHING SYNCHRONOUS BUCK-BOOST REGULATOR, ADJUSTABLE, 2.7 TO 40V IN, 2.7 TO 40V/2A OUT

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Technical Specifications

Parameters and characteristics for this part

Specification	LTC3115IDHD-1#WPBF

Current - Output	2 A, 800 mA
Frequency - Switching [Max]	2 MHz
Frequency - Switching [Min]	100 kHz
Function	Step-Up/Step-Down
Grade	Automotive
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	16-WFDFN Exposed Pad
Qualification	AEC-Q100
Supplier Device Package	16-DFN (5x4)
Synchronous Rectifier	True
Topology	Buck-Boost
Voltage - Input (Min) [Min]	2.7 V
Voltage - Output (Max) [Max]	40 V
Voltage - Output (Min/Fixed)	2.7 V

LTC3115-1 Series

40V, 2A Synchronous Buck-Boost DC/DC Converter

Part	Topology	Function	Output Type	Voltage - Output (Min/Fixed)	Current - Output	Voltage - Output (Max) [Max]	Mounting Type	Package / Case [custom]	Package / Case [custom]	Package / Case [custom]	Output Configuration	Frequency - Switching [Min]	Frequency - Switching [Max]	Supplier Device Package	Voltage - Input (Min) [Min]	Number of Outputs	Operating Temperature [Min]	Operating Temperature [Max]	Package / Case	Grade	Qualification
Analog Devices LTC3115MPFE-2#PBF	Buck-Boost	Step-Up/Step-Down	Adjustable	2.7 V	2 A 800 mA	40 V	Surface Mount	0.173 in 4.4 mm	Exposed Pad	20-TSSOP	Positive	100 kHz	2 MHz	20-TSSOP-EP	2.2 V	1	-55 °C	150 °C
Analog Devices LTC3115EFE-2#PBF	Buck-Boost	Step-Up/Step-Down	Adjustable	2.7 V	2 A 800 mA	40 V	Surface Mount	0.173 in 4.4 mm	Exposed Pad	20-TSSOP	Positive	100 kHz	2 MHz	20-TSSOP-EP	2.2 V	1	-40 °C	125 ¯C
Analog Devices LTC3115EDHD-1#TRPBF	Buck-Boost	Step-Up/Step-Down	Adjustable	2.7 V	1 A 2 A	40 V	Surface Mount				Positive	100 kHz	2 MHz	16-DFN (5x4)	2.2 V	1	-40 °C	125 ¯C	16-WFDFN Exposed Pad
Analog Devices LTC3115IDHD-2#TRPBF	Buck-Boost	Step-Up/Step-Down	Adjustable	2.7 V	2 A 800 mA	40 V	Surface Mount				Positive	100 kHz	2 MHz	16-DFN (5x4)	2.2 V	1	-40 °C	125 ¯C	16-WFDFN Exposed Pad
Analog Devices LTC3115EFE-2#TRPBF	Buck-Boost	Step-Up/Step-Down	Adjustable	2.7 V	2 A 800 mA	40 V	Surface Mount	0.173 in 4.4 mm	Exposed Pad	20-TSSOP	Positive	100 kHz	2 MHz	20-TSSOP-EP	2.2 V	1	-40 °C	125 ¯C
Analog Devices LTC3115MPFE-1#TRPBF	Buck-Boost	Step-Up/Step-Down	Adjustable	2.7 V	1 A 2 A	40 V	Surface Mount	0.173 in 4.4 mm	Exposed Pad	20-TSSOP	Positive	100 kHz	2 MHz	20-TSSOP-EP	2.2 V	1	-55 °C	150 °C
Analog Devices LTC3115EDHD-1#PBF	Buck-Boost	Step-Up/Step-Down	Adjustable	2.7 V	1 A 2 A	40 V	Surface Mount				Positive	100 kHz	2 MHz	16-DFN (5x4)	2.2 V	1	-40 °C	125 ¯C	16-WFDFN Exposed Pad
Analog Devices LTC3115IDHD-1#TRPBF	Buck-Boost	Step-Up/Step-Down	Adjustable	2.7 V	1 A 2 A	40 V	Surface Mount				Positive	100 kHz	2 MHz	16-DFN (5x4)	2.2 V	1	-40 °C	125 ¯C	16-WFDFN Exposed Pad
Analog Devices LTC3115EFE-1#TRPBF	Buck-Boost	Step-Up/Step-Down	Adjustable	2.7 V	1 A 2 A	40 V	Surface Mount	0.173 in 4.4 mm	Exposed Pad	20-TSSOP	Positive	100 kHz	2 MHz	20-TSSOP-EP	2.2 V	1	-40 °C	125 ¯C
Analog Devices LTC3115IDHD-1#WPBF	Buck-Boost	Step-Up/Step-Down	Adjustable	2.7 V	2 A 800 mA	40 V	Surface Mount				Positive	100 kHz	2 MHz	16-DFN (5x4)	2.7 V	1	-40 °C	125 ¯C	16-WFDFN Exposed Pad	Automotive	AEC-Q100

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	$ 17.79
		10	$ 12.83
		25	$ 11.56
		100	$ 10.14
		250	$ 9.45
		500	$ 9.03
		1000	$ 9.03
Newark	Each	1	$ 16.66
		10	$ 11.69
		25	$ 10.80
		50	$ 9.91
		146	$ 9.23

Description

General part information

LTC3115-1 Series

The LTC3115-1 is a high voltage monolithic synchronous buck-boost DC/DC converter. Its wide 2.7V to 40V input and output voltage ranges make it well suited to a wide variety of automotive and industrial applications. A proprietary low noise switching algorithm optimizes efficiency with input voltages that are above, below or even equal to the output voltage and ensures seamless transitions between operational modes.Programmable frequency PWM mode operation provides low noise, high efficiency operation and the ability to synchronize switching to an external clock. Switching frequencies up to 2MHz are supported to allow use of small value inductors for miniaturization of the application circuit. Pin selectable Burst Mode operation reduces standby current and improves light load efficiency which, combined with a 3µA shutdown current, make the LTC3115-1 ideally suited for battery-powered applications. Additional features include output disconnect in shutdown, short-circuit protection and internal soft-start. The LTC3115-1 is available in thermally enhanced 16-lead 4mm × 5mm × 0.75mm DFN and 20-lead TSSOP packages.FeaturesLTC3115-1-LTC3115-2Optimized for applications subject to fast (<1ms) input voltage transientsAPPLICATIONS24V/28V Industrial ApplicationsAutomotive Power SystemsTelecom, Servers and Networking EquipmentFireWire RegulatorMultiple Power Source Supplies

Documents

Technical documentation and resources

LTC3115IDHD-1#WPBF

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LTC3115IDHD-1#WPBF

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Technical Specifications

LTC3115-1 Series

Pricing

Description

LTC3115-1 Series

Documents

Technical Data Sheet EN

Datasheet

R526 Reliability Data

LTC3115-1: 40V, 2A Synchronous Buck-Boost DC/DC Converter Data Sheet (Rev.E)

LTC3115-1 Series