LTC3836

PRODUCTION

Dual 2-Phase, No R_SENSE^™ Low V_IN Synchronous Controller

Data Sheet Product Selection Table

Part Models: 4
1ku List Price: Starting From $3.30

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Part Details

No Current Sense Resistors Required
Out-of-Phase Controllers Reduce Required Input Capacitance
All N-Channel Synchronous Drive
V_IN Range: 2.75V to 4.5V
Constant-Frequency Current Mode Operation
0.6V ±1.5% Voltage Reference
Low Dropout Operation: 97% Duty Cycle
True PLL for Frequency Locking or Adjustment
Selectable Pulse-Skipping/Continuous Operation
Tracking Function
Internal Soft-Start Circuitry
Power Good Output Voltage Monitor
Output Overvoltage Protection
Micropower Shutdown: I_Q = 6.5µA
Tiny Low Profile (4mm × 5mm) QFN and Narrow SSOP Packages

Part Models: 4
1ku List Price: Starting From $3.30

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
LTC3836EGN#PBF	28-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3836EGN#TRPBF	28-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3836EUFD#PBF	28-Lead QFN (4mm x 5mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3836EUFD#TRPBF	28-Lead QFN (4mm x 5mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Aug 10, 2022 - 22_0177 Laser Top Mark Conversion for QSOP20_24_28 Assembled in ADPG [PNG] and UTL
		PCN22_0177_Form Material_Report Delta Qualification Matrix
LTC3836EGN#PBF	PRODUCTION
LTC3836EGN#TRPBF	PRODUCTION
Jan 20, 2022 - 21_0269 Addition of Alternate Assembly Site ASE Taiwan for Select LFCSP Products
		PCN21_0269_Form Material_Report Detailed Change Description Qualification Results Summary
LTC3836EUFD#PBF	PRODUCTION
LTC3836EUFD#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
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
Silicon Oscillators 2
LTC6908		Resistor Set SOT-23 Oscillator with Spread Spectrum Modulation
LTC6909	PRODUCTION	1 to 8 Output, Multiphase Silicon Oscillator with Spread Spectrum Modulation

Tools & Simulations

LTspice 1

LTC3836 - Step-Down (Buck) Regulators

Models for the following parts are available in LTspice:

LTC3836

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

LTC3836EUFD Demo Board | 2-Phase, 2.75V to 4.5V Input, VOUT1 = 1.8V @ 7A, VOUT2 = 1.2V @ 7A

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Product Details

Demonstration circuit 1107 is a 2-phase dual high efficiency synchronous step-down DC/DC converter that features the LTC3836EUFD controller. It operates with a 2.75V to 4.5V input range. and has two outputs: 1.8V @ 7A and 1.2V @ 7A.

Resources

DC1107A - Demo Manual
10/6/2009

DC1107A - Schematic
10/6/2009

DC1107A - Design Files
10/6/2009

LTC3836EUFD Demo Board | 2-Phase, 2.75V to 4.5V Input, VOUT1 = 1.8V @ 12A, VOUT2 = 1.2V @ 12A

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Product Details

Demonstration circuit DC1081 is a dual-output low V_IN step-down power supply featuring the LTC3836, a low quiescent current, 2-phase synchronous buck controller. The input voltage is from 2.75V to 4.5V. The demo board has two outputs: 1.8V/12A and 1.2V/12A.

Resources

DC1081A - Design File
9/24/2009

DC1081A - Demo Manual
9/24/2009

DC1081A - Schematic
9/24/2009

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Part Details

Documentation

Data Sheet 1

Reliability Data 1

User Guide 2

Software Resources

Can't find the software or driver you need?

Hardware Ecosystem

Tools & Simulations

LTspice 1

Models for the following parts are available in LTspice:

Evaluation Kits

Product Details

Resources

Product Details

Resources

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