LTC3412IFE#PBF

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Analog Devices

2.5A, 4MHZ, MONOLITHIC SYNCHRONOUS STEP-DOWN REGULATOR

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DocumentsR457 Reliability Data Datasheet

LTC3412IFE#PBF

Active

Analog Devices

2.5A, 4MHZ, MONOLITHIC SYNCHRONOUS STEP-DOWN REGULATOR

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DocumentsR457 Reliability Data Datasheet

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LTC3412IFE#PBF

Current - Output	2.5 A
Frequency - Switching [Max]	4 MHz
Frequency - Switching [Min]	300 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Type	Adjustable
Package / Case	Exposed Pad, 16-TSSOP
Package / Case [custom]	0.173 "
Package / Case [custom]	4.4 mm
Supplier Device Package	16-TSSOP-EP
Synchronous Rectifier	True
Topology	Buck
Voltage - Input (Max) [Max]	5.5 V
Voltage - Input (Min) [Min]	2.625 V
Voltage - Output (Max)	5 V
Voltage - Output (Min/Fixed)	0.8 V

LTC3412A Series

3A, 4MHz, Monolithic Synchronous Step-Down Regulator

Part	Current - Output	Operating Temperature [Max]	Operating Temperature [Min]	Mounting Type	Voltage - Output (Max)	Frequency - Switching [Max]	Frequency - Switching [Min]	Voltage - Output (Min/Fixed)	Voltage - Input (Max) [Max]	Topology	Output Configuration	Output Type	Supplier Device Package	Number of Outputs	Voltage - Input (Min) [Min]	Function	Package / Case [custom]	Package / Case	Package / Case [custom]
Analog Devices LTC3412IFE#PBF	2.5 A	85 °C	-40 °C	Surface Mount	5 V	4 MHz	300 kHz	0.8 V	5.5 V	Buck	Positive	Adjustable	16-TSSOP-EP	1	2.625 V	Step-Down	0.173 "	16-TSSOP Exposed Pad	4.4 mm
Analog Devices LTC3412AMPFE#PBF	3 A	125 ¯C	-55 °C	Surface Mount	5 V	4 MHz	300 kHz	0.8 V	5.5 V	Buck	Positive	Adjustable	16-TSSOP-EP	1	2.25 V	Step-Down	0.173 "	16-TSSOP Exposed Pad	4.4 mm
Analog Devices LTC3412EUF#TRPBF	2.5 A	85 °C	-40 °C	Surface Mount	5 V	4 MHz	300 kHz	0.8 V	5.5 V	Buck	Positive	Adjustable	16-QFN (4x4)	1	2.625 V	Step-Down		16-WQFN Exposed Pad
Analog Devices LTC3412IFE#PBF	2.5 A	85 °C	-40 °C	Surface Mount	5 V	4 MHz	300 kHz	0.8 V	5.5 V	Buck	Positive	Adjustable	16-TSSOP-EP	1	2.625 V	Step-Down	0.173 "	16-TSSOP Exposed Pad	4.4 mm
Analog Devices LTC3412AEFE#PBF	3 A	125 ¯C	-40 °C	Surface Mount	5 V	4 MHz	300 kHz	0.8 V	5.5 V	Buck	Positive	Adjustable	16-TSSOP-EP	1	2.25 V	Step-Down	0.173 "	16-TSSOP Exposed Pad	4.4 mm
Analog Devices LTC3412AIUF#TRPBF	3 A	125 ¯C	-40 °C	Surface Mount	5 V	4 MHz	300 kHz	0.8 V	5.5 V	Buck	Positive	Adjustable	16-QFN (4x4)	1	2.25 V	Step-Down		16-WQFN Exposed Pad
Analog Devices LTC3412EUF	2.5 A	125 °C	-40 °C	Surface Mount	5 V	4 MHz	300 kHz	0.8 V	5.5 V	Buck	Positive	Adjustable	16-QFN (4x4)	1	2.625 V	Step-Down		16-WQFN Exposed Pad

Pricing

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

Distributor	Package	Quantity	$

Digikey	Bulk	35	$ 8.59
		35	$ 8.59
	Tube	1	$ 14.38
		1	$ 14.38
		10	$ 9.99
		10	$ 9.99
		25	$ 7.44
		25	$ 7.44
		95	$ 7.60
		95	$ 7.60
		190	$ 7.44
		190	$ 7.44

Description

General part information

LTC3412A Series

The LTC3412A is a high efficiency monolithic synchronous, step-down DC/DC converter utilizing a constant frequency, current mode architecture. It operates from an input voltage range of 2.25V to 5.5V and provides a regulated output voltage from 0.8V to 5V while delivering up to 3A of output current. The internal synchronous power switch with 77mΩ on-resistance increases efficiency and eliminates the need for an external Schottky diode. Switching frequency is set by an external resistor or can be synchronized to an external clock. 100% duty cycle provides low dropout operation extending battery life in portable systems. OPTI-LOOP®compensation allows the transient response to be optimized over a wide range of loads and output capacitors.The LTC3412A can be configured for either Burst Mode operation or forced continuous operation. Forced continuous operation reduces noise and RF interference while Burst Mode operation provides high efficiency by reducing gate charge losses at light loads. In Burst Mode operation, external control of the burst clamp level allows the output voltage ripple to be adjusted according to the application requirements.APPLICATIONSPoint-of-Load RegulationNotebook ComputersPortable InstrumentsDistributed Power Systems