LTC3812-5

PRODUCTION

60V Current Mode Synchronous Switching Regulator Controller

Data Sheet Product Selection Table

Part Models: 4
1ku List Price: Starting From $4.47

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Overview

High Voltage Operation: Up to 60V
Large 1Ω Gate Drivers
No Current Sense Resistor Required
Dual N-Channel MOSFET Synchronous Drive
Extremely Fast Transient Response
±0.5% 0.8V Voltage Reference
Programmable Soft-Start
Generates 5.5V Driver Supply

Selectable Pulse-Skipping Mode Operation
Power Good Output Voltage Monitor
Adjustable On-Time/Frequency: t_ON(MIN) < 100ns
Adjustable Cycle-by-Cycle Current Limit
Undervoltage Lockout On Driver Supply
Output Overvoltage Protection
Thermally Enhanced 16-Pin TSSOP Package

Part Models: 4
1ku List Price: Starting From $4.47

Documentation

Data Sheet 1

LTC3812-5: 60V Current Mode Synchronous Switching Regulator Controller Data Sheet 01/21/2011

User Guide 1

DC1035A - Demo Manual 09/24/2009

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
LTC3812EFE-5#PBF	16-Lead TSSOP w/ EP	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3812EFE-5#TRPBF	16-Lead TSSOP w/ EP	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3812IFE-5#PBF	16-Lead TSSOP w/ EP	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3812IFE-5#TRPBF	16-Lead TSSOP w/ EP	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Apr 6, 2022 - 22_0068 Laser Top Mark for ETSSOP and TSSOP Packages Assembled in ADPG [PNG] and UTL
		PCN22_0068_Form Material_Report Delta Qualification Matrix
LTC3812EFE-5#PBF	PRODUCTION
LTC3812EFE-5#TRPBF	PRODUCTION
LTC3812IFE-5#PBF	PRODUCTION
LTC3812IFE-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
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
Switching Regulators & Controllers 1
LTC3880	RECOMMENDED FOR NEW DESIGNS	Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management

Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

LTC3812-5

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.

Evaluation Kits

LT3812EFE-5 | 7V ≤ VIN ≤ 60V, VOUT = 3.3V @ 6A

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Product Details

Demonstration circuit 1035 is a current mode synchronous switching regulator featuring the LTC3812-5. The circuit is configured as a synchronous step-down regulator operating at 260kHz switching frequency. The output voltage is 3.3V at 6A maximum load. The input voltage range is 7V to 60V.

Resources

DC1035A - Demo Manual
9/24/2009

DC1035A - Design File
9/24/2009

DC1035A - Schematic
9/24/2009

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	Features	Adj UVLO, Sync & Tracking	Package
LTC3810	Vin 6.2V to 100V, 10V Driver Voltage	Yes	SSOP-28
LTC3810-5	Vin 4.35V to 60V, 5.5V Driver Voltage	Yes	QFN-32
LTC3812-5	Vin 4.35 to 60V, 5.5V Driver Voltage	No	TSSOP-16E