LTC3703-5

PRODUCTION

60V Synchronous Switching Regulator Controller

Data Sheet Product Selection Table

Part Models: 8
1ku List Price: Starting From $4.15

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Part Details

High Voltage Operation: Up to 60V
Large 1Ω Gate Drivers (with 5V Supply)
No Current Sense Resistor Required
Step-Up or Step-Down DC/DC Converter
Dual N-Channel MOSFET Synchronous Drive
Excellent Line and Load Transient Response
Programmable Constant Frequency: 100kHz to 600kHz
±1% Reference Accuracy

Synchronizable up to 600kHz
Selectable Pulse Skip Mode Operation
Low Shutdown Current: 25µA Typ
Programmable Current Limit
Undervoltage Lockout
Programmable Soft-Start
16-Pin Narrow SSOP and 28-Pin SSOP Packages

Part Models: 8
1ku List Price: Starting From $4.15

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
LTC3703EG-5#PBF	28-Lead SSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3703EG-5#TRPBF	28-Lead SSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3703EGN-5#PBF	16-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3703EGN-5#TRPBF	16-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3703IG-5#PBF	28-Lead SSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3703IG-5#TRPBF	28-Lead SSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3703IGN-5#PBF	16-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3703IGN-5#TRPBF	16-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Aug 6, 2022 - 22_0171 Laser Top Mark Conversion for SSOP Packages Assembled in PNG
		PCN22_0171_Form Material_Report Delta Qualification Matrix
LTC3703EG-5#PBF	PRODUCTION
LTC3703EG-5#TRPBF	PRODUCTION
LTC3703IG-5#PBF	PRODUCTION
LTC3703IG-5#TRPBF	PRODUCTION
Oct 3, 2024 - 24_0235 (QSOP/SSOP PKG) Migrating Bottom Trace Code Marking to Top Side Laser Marking
		PCN24_0235_Form Material_Report Other Delta Qualification Matrix
LTC3703EGN-5#PBF	PRODUCTION
LTC3703EGN-5#TRPBF	PRODUCTION
LTC3703IGN-5#PBF	PRODUCTION
LTC3703IGN-5#TRPBF	PRODUCTION
Oct 11, 2022 - 22_0235 Epoxy Change from Henkel 8290 to 8290A for GN Package
		PCN22_0235_Form Material_Report Qualification Results Summary Delta Qualification Matrix
LTC3703EGN-5#PBF	PRODUCTION
LTC3703EGN-5#TRPBF	PRODUCTION
LTC3703IGN-5#PBF	PRODUCTION
LTC3703IGN-5#TRPBF	PRODUCTION
Apr 6, 2022 - 22_0066 Laser Top Mark for 16QSOP Assembled in ADPG [PNG]
		PCN22_0066_Form Material_Report Delta Qualification Matrix
LTC3703EGN-5#PBF	PRODUCTION
LTC3703EGN-5#TRPBF	PRODUCTION
LTC3703IGN-5#PBF	PRODUCTION
LTC3703IGN-5#TRPBF	PRODUCTION

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

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
Oscillators 1
LTC6908		Resistor Set SOT-23 Oscillator with Spread Spectrum Modulation
Power System Management (PSM) & Sequencers 1
LTC2974	RECOMMENDED FOR NEW DESIGNS	4-Channel PMBus Power System Manager Featuring Accurate Output Current Measurement
Protection Switches & Controllers 1
LT4363	RECOMMENDED FOR NEW DESIGNS	High Voltage Surge Stopper with Current Limit

Tools & Simulations

LTspice 1

LTC3703-5 Demo Circuit - High Efficiency High Voltage Step-Down Converter (6-60V to 5 @ 5A)

Models for the following parts are available in LTspice:

LTC3703
LTC3703-5

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.

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	LTC3703-5	LTC3703
Maximum VIN	60V	100V
MOSFET Gate Drive	4.5V to 15V	9.3V to 15V
VCC UV⁺	3.7V	8.7V
VCC UV^–	3.1V	6.2V

LTC3703-5

Part Details

Documentation

Data Sheet 1

Reliability Data 1

Design Note 1

Product Selector Card 1