Specification	LTC3417AEFE#PBF

Current - Output	1.5 A, 1 A
Frequency - Switching	1.5 MHz
Frequency - Switching [Max]	4 MHz
Frequency - Switching [Min]	600 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	2
Operating Temperature [Max]	85 C
Operating Temperature [Min]	-40 ¯C
Output Configuration	Positive
Output Type	Adjustable
Package / Case	Exposed Pad, 20-TSSOP
Package / Case	0.173 ", 4.4 mm
Supplier Device Package	20-TSSOP-EP
Synchronous Rectifier	True
Topology	Buck
Voltage - Input (Max) [Max]	5.5 V
Voltage - Input (Min) [Min]	2.25 V
Voltage - Output (Max) [Max]	5 V
Voltage - Output (Min/Fixed)	0.8 V

LTC3417A Series

Dual Synchronous 1.5A/1A 4MHz Step-Down DC/DC Regulator

Part	Voltage - Output (Max) [Max]	Output Configuration	Topology	Voltage - Input (Max) [Max]	Function	Package / Case	Package / Case	Current - Output	Supplier Device Package	Mounting Type	Number of Outputs	Voltage - Output (Min/Fixed)	Voltage - Input (Min) [Min]	Frequency - Switching [Min]	Frequency - Switching	Frequency - Switching [Max]	Operating Temperature [Max]	Operating Temperature [Min]	Output Type
Analog Devices Inc./Maxim Integrated LTC3417AEFE#PBF	5 V	Positive	Buck	5.5 V	Step-Down	20-TSSOP Exposed Pad	0.173 " 4.4 mm	1 A 1.5 A	20-TSSOP-EP	Surface Mount	2	0.8 V	2.25 V	600 kHz	1.5 MHz	4 MHz	85 C	-40 ¯C	Adjustable
Analog Devices Inc./Maxim Integrated LTC3417AIFE#TRPBF	5 V	Positive	Buck	5.5 V	Step-Down	20-TSSOP Exposed Pad	0.173 " 4.4 mm	1 A 1.5 A	20-TSSOP-EP	Surface Mount	2	0.8 V	2.25 V	600 kHz	1.5 MHz	4 MHz	85 C	-40 ¯C	Adjustable
Analog Devices Inc./Maxim Integrated LTC3417AEFE#TRPBF	5 V	Positive	Buck	5.5 V	Step-Down	20-TSSOP Exposed Pad	0.173 " 4.4 mm	1 A 1.5 A	20-TSSOP-EP	Surface Mount	2	0.8 V	2.25 V	600 kHz	1.5 MHz	4 MHz	85 C	-40 ¯C	Adjustable

Pricing

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

Distributor	Package	Quantity	$	Updated

Digikey	N/A	287	$ 11.40	1m+

Description

General part information

LTC3417A Series

The LTC3417A is a dual constant frequency, synchronous step-down DC/DC converter. Intended for medium power applications, it operates from a 2.25V to 5.5V input voltage range and has a constant programmable switching frequency, allowing the use of tiny, low cost capacitors and inductors 2mm or less in height. Each output voltage is adjustable from 0.8V to 5V. Internal, synchronous, low RDS(ON)power switches provide high efficiency without the need for external Schottky diodes.A user selectable mode input allows the user to trade off ripple voltage for light load efficiency. Burst Mode®operation provides high efficiency at light loads, while Pulse Skip mode provides low ripple noise at light loads. A phase mode pin allows the second channel to operate in-phase or 180° out-of-phase with respect to channel 1. Out-ofphase operation produces lower RMS current on VINand thus a lower RMS derating on the input capacitor.To further maximize battery life, the P-channel MOSFETs are turned on continuously in dropout (100% duty cycle) and both channels draw a total quiescent current of only 125µA. In shutdown, the device draws <1µA.FeaturesNotesLTC3417--LTC3417AImproved Channel Matching-LTC3417A-1Power On ResetRecommended For New DesignsLTC3417A-2Power GoodRecommended For New DesignsApplicationsGPS/NavigationDigital CamerasPC CardsWireless and DSL ModemsGeneral Purpose Point of Load DC/DC

Documents

Technical documentation and resources

LTC3417AEFE#PBF | Datasheet

Datasheet

R457 Reliability Data

Reliability Data