LTC3410-1.875

PRODUCTION

2.25MHz, 300mA Synchronous Step-Down Regulator in SC70

Part Models: 2
1ku List Price: Starting From $1.86

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Part Details

High Efficiency: Up to 93%
Very Low Quiescent Current: Only 26µA
Low Output Voltage Ripple
300mA Output Current at V_IN = 3V
380mA Minimum Peak Switch Current
2.5V to 5.5V Input Voltage Range
2.25MHz Constant Frequency Operation
No Schottky Diode Required
Stable with Ceramic Capacitors
Shutdown Mode Draws <1µA Supply Current
±2% Output Voltage Accuracy
Current Mode Operation for Excellent Line and Load Transient Response
Overtemperature Protected
Available in Low Profile SC70 Package

The LTC3410-1.875 is a high efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture. Supply current during operation is only 26µA, dropping to <1µA in shutdown. The 2.5V to 5.5V input voltage range makes the LTC3410-1.875 ideally suited for single Li-Ion battery-powered applications. 100% duty cycle provides low dropout operation, extending battery life in portable systems.

Switching frequency is internally set at 2.25MHz, allowing the use of small surface mount inductors and capacitors. The LTC3410-1.875 is specifically designed to work well with ceramic output capacitors, achieving very low output voltage ripple and a small PCB footprint.

The internal synchronous switch increases efficiency and eliminates the need for an external Schottky diode. The LTC3410-1.875 is available in a tiny, low profile SC70 package.


	Vout	Burst Mode
LTC3410	Adj. Down To 0.8V	Yes
LTC3410B	Adj. Down To 0.8V	No
LTC3410-1.875	Fixed 1.875V	Yes

Applications

Cellular Telephones
Wireless and DSL Modems
Digital Cameras
MP3 Players
Portable Instruments

Part Models: 2
1ku List Price: Starting From $1.86

Documentation

Data Sheet 1

LTC3410-1.875: 2.25MHz, 300mA Synchronous Step-Down Regulator in SC70 Data Sheet 11/12/2007

Reliability Data 1

R415 Reliability Data 03/23/2018

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
LTC3410ESC6-1.875#TRMPBF	6-Lead SC70	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3410ESC6-1.875#TRPBF	6-Lead SC70	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
Multiple Output Buck Regulators 1
LTC3880	RECOMMENDED FOR NEW DESIGNS	Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management
Single-Supply Monitors 1
LTC2934	PRODUCTION	Ultra-Low Power Adjustable Supervisor with Power-Fail Output

Tools & Simulations

LTspice 1

LTC3410-1.875 - Step-Down (Buck) Regulators

Models for the following parts are available in LTspice:

LTC3410
LTC3410-1.2
LTC3410-1.65
LTC3410-1.875
LTC3410B
LTC3410B-1.2
LTC3410B-1.875

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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