LTC3626

RECOMMENDED FOR NEW DESIGNS

20V, 2.5A Synchronous Monolithic Step-Down Regulator with Current and Temperature Monitoring

Data Sheet Product Selection Table

Part Models: 4
1ku List Price: Starting From $4.13

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Part Details

3.6V to 20V Input Voltage Range
Wide Output Voltage Range of 0.6V to 97% V_IN Optimized for 0.6V to 6V
Low R_DS(ON) Integrated Switches Provide Up to 95% Efficiency
Up to 2.5A of Output Current
Average Input and Output Current Monitoring
Programmable Average Input/Output Current Limit
Die Temperature Monitor and Programmable Limit
Adjustable Switching Frequency: 500kHz to 3MHz
External Frequency Synchronization
Current Mode Operation for Excellent Line and Load Transient Response
0.6V Reference with 1% Accuracy Over Temperature
User Selectable Burst Mode^® or Forced Continuous Operation
Short-Circuit Protected
Output Voltage Tracking Capability
Power Good Status Output
Available in Small, Thermally Enhanced, 20-Lead (3mm × 4mm) QFN Package

Part Models: 4
1ku List Price: Starting From $4.13

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
LTC3626EUDC#PBF	20-Lead QFN (3mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3626EUDC#TRPBF	20-Lead QFN (3mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3626IUDC#PBF	20-Lead QFN (3mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3626IUDC#TRPBF	20-Lead QFN (3mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

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

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
Dual-Supply Monitors 1
LTC2960	RECOMMENDED FOR NEW DESIGNS	36V Nano-Current Two-Input Voltage Monitor
PowerPath, Ideal Diodes, and Load Switches 1
LTC4359	RECOMMENDED FOR NEW DESIGNS	Ideal Diode Controller with Reverse Input Protection
Surge Stopper, Overvoltage, and Overcurrent Protection 1
LT4363	RECOMMENDED FOR NEW DESIGNS	High Voltage Surge Stopper with Current Limit

Tools & Simulations

LTspice 2

Models for the following parts are available in LTspice:

LTC3626

LTpowerCAD 1

LTC3626 Project - 20V, 2.5A Buck Regulator with Current and Temperature Monitoring (4-20V to 1.8V @ 2.5A)

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

LTC3626EUDC Demo Board | 3.6V ≤ VIN ≤ 20V, VOUT = 0.6V @ 6V 2.5A, Current and Temp Monitoring

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Product Details

Demonstration circuit 1768A is a step-down converter, using the LTC3626 monolithic synchronous buck regulator, which has current and temperature monitoring capabilities. The 1768A has an input voltage range of 3.6V to 20V, and is capable of delivering up to 2.5A of output current. The output voltage range of the 1768A is 6V down to 0.6V.

Resources

DC1768A - Demo Manual
510.00K

DC1768A - Design Files
903.00K

DC1768A - Schematic
66.00K

Latest Discussions

6 Years Ago

LTC3626

Part Details

Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Design Note 1

Technical Articles 1

Solutions Bulletin & Brochure 1