LTC1879

PRODUCTION

1.2A Synchronous Step-Down Regulator with 15µA Quiescent Current

Data Sheet Product Selection Table

Part Models: 2
1ku List Price: Starting From $4.74

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Part Details

High Efficiency: Up to 95%
Low Quiescent Current: Only 15µA with No Load
550kHz Constant Frequency Operation
2.65V to 10V Input Voltage Range
V_OUT from 0.8V to V_IN, I_OUT to 1.2A
True PLL Frequency Locking from 350kHz to 750kHz
Power Good Output Voltage Monitor
Low Dropout Operation: 100% Duty Cycle
Burst Mode^® or Pulse Skipping Operation
Current Mode Operation for Excellent Line and Load Transient Response
Shutdown Mode Draws <1µA Supply Current
±2% Output Voltage Accuracy
Overcurrent and Overtemperature Protected
Available in 16-Lead SSOP Package

Part Models: 2
1ku List Price: Starting From $4.74

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
LTC1879EGN#PBF	16-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1879EGN#TRPBF	16-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

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
LTC1879EGN#PBF	PRODUCTION
LTC1879EGN#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
LTC1879EGN#PBF	PRODUCTION
LTC1879EGN#TRPBF	PRODUCTION
Apr 6, 2022 - 22_0066 Laser Top Mark for 16QSOP Assembled in ADPG [PNG]
		PCN22_0066_Form Material_Report Delta Qualification Matrix
LTC1879EGN#PBF	PRODUCTION
LTC1879EGN#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
Circuit Monitors 1
LTC2960	RECOMMENDED FOR NEW DESIGNS	36V Nano-Current Two-Input Voltage Monitor
Oscillators 1
LTC6908		Resistor Set SOT-23 Oscillator with Spread Spectrum Modulation
Protection Switches & Controllers 1
LTC4365	RECOMMENDED FOR NEW DESIGNS	Overvoltage, Undervoltage and Reverse Supply Protection Controller
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:

LTC1879

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.