LTC3419

PRODUCTION

Dual Monolithic 600mA Synchronous Step-Down Regulator

Data Sheet Product Selection Table

Part Models: 16
1ku List Price: Starting From $2.36

Viewing:

Part Details

High Efficiency Dual Step-Down Outputs: Up to 96%
600mA Current per Channel at V_IN = 3V
Only 35µA Quiescent Current During Operation (Both Channels)
2.25MHz Constant-Frequency Operation
2.5V to 5.5V Input Voltage Range
Low Dropout Operation: 100% Duty Cycle
No Schottky Diodes Required
Internally Compensated for All Ceramic Capacitors
Independent Internal Soft-Start for Each Channel
Available in Fixed Output Versions
Current Mode Operation for Excellent Line and Load Transient Response
0.6V Reference Allows Low Output Voltages
User-Selectable Burst Mode^® Operation
Short-Circuit Protected
Ultralow Shutdown Current: I_Q < 1µA
Available in Small MSOP or 3mm × 3mm DFN-8 Packages

Part Models: 16
1ku List Price: Starting From $2.36

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
LTC3419EDD#PBF	8-Lead DFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3419EDD#TRPBF	8-Lead DFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3419EDD-1#PBF	8-Lead DFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3419EDD-1#TRPBF	8-Lead DFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3419EMS#PBF	10-Lead MSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3419EMS#TRPBF	10-Lead MSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3419EMS-1#PBF	10-Lead MSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3419EMS-1#TRPBF	10-Lead MSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3419IDD#PBF	8-Lead DFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3419IDD#TRPBF	8-Lead DFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3419IDD-1#PBF	8-Lead DFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3419IDD-1#TRPBF	8-Lead DFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3419IMS#PBF	10-Lead MSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3419IMS#TRPBF	10-Lead MSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3419IMS-1#PBF	10-Lead MSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3419IMS-1#TRPBF	10-Lead MSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Feb 4, 2020 - 20_0130 Laser Top Mark Conversion for 10-Lead MSOP Packages Assembled in ADPG and UTAC
		PCN20_0130_Form Material_Report
LTC3419EMS#PBF	PRODUCTION
LTC3419EMS#TRPBF	PRODUCTION
LTC3419EMS-1#PBF	PRODUCTION
LTC3419EMS-1#TRPBF	PRODUCTION
LTC3419IMS#PBF	PRODUCTION
LTC3419IMS#TRPBF	PRODUCTION
LTC3419IMS-1#PBF	PRODUCTION
LTC3419IMS-1#TRPBF	PRODUCTION
Jun 5, 2024 - 24_0003 Epoxy Change from Henkel 8290 to 8290A for MSOP Package (2)
		PCN24_0003_Form Material_Report Qualification Results Summary Delta Qualification Matrix
LTC3419EMS-1#PBF	PRODUCTION
LTC3419EMS-1#TRPBF	PRODUCTION
LTC3419IMS-1#PBF	PRODUCTION
LTC3419IMS-1#TRPBF	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Software Resources

Can't find the software or driver you need?

Request a Driver/Software

Hardware Ecosystem

Parts	Product Life Cycle	Description
Digital Power System Managers 1
LTC2974	RECOMMENDED FOR NEW DESIGNS	4-Channel PMBus Power System Manager Featuring Accurate Output Current Measurement
Multiple Output Buck Regulators 1
LTC3880	RECOMMENDED FOR NEW DESIGNS	Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management
Single-Supply Monitors 1
LTC2934	PRODUCTION	Ultra-Low Power Adjustable Supervisor with Power-Fail Output

Tools & Simulations

LTspice 2

Models for the following parts are available in LTspice:

LTC3419

LTpowerCAD 1

LTC3419 Project - Dual Monolithic 600mA Synchronous Step-Down Regulator (2.5-5.5V to 1.5V @ 600mA & 2.5V @ 600mA)

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

LTpowerCAD^® is a power supply design program which selects power stage components, provides detailed power efficiency, shows quick loop Bode plot stability and load transient analysis, and can export to LTspice for simulation.

Evaluation Kits

LTC3419EDD Demo Board | 2.25MHz, 2.5V ≤ VIN ≤ 5.5V, VOUT1 = 1.2V/1.5V/1.8V @ 600mA, VOUT2 = 2.5V/3.3V @ 600mA

Buy Now View Details

Product Details

Demonstration circuit 1128A is a dual channel synchronous, 2.25MHz Step-Down DC/DC Regulator featuring the LTC3419. The DC1128A has an input voltage range of 2.5V to 5.5V. Both jumper selectable 3.3V/2.5V and 1.2V/1.5V/1.8V outputs are capable of delivering up to 600mA of output current. The device also features independent internal soft-start for each channel.

Resources

DC1128A - Demo Manual
304.00K

DC1128A - Schematic
31.00K

DC1128A - Design File
585.00K

Latest Discussions

6 Years Ago