Manufacturer Part Number
LTC3405AES6-1.8#TRMPBF
Manufacturer
Analog Devices
Introduction
Compact, high-efficiency, step-down DC-DC switching regulator for portable devices
Product Features and Performance
Step-down (Buck) regulator topology
Fixed output voltage of 1.8V
300mA output current capability
High switching frequency of 1.5MHz
Integrated synchronous rectifier for improved efficiency
Operates within an input voltage range of 2.5V to 5.5V
Suitable for battery-powered applications
Stable with ceramic output capacitors
Thermal overload protection
Product Advantages
High efficiency at light loads
Low dropout operation
Optimized for portable applications
Fast switching frequency allows for small external components
Low quiescent current
Small SOT-23-6 package ideal for space-constrained applications
Key Technical Parameters
Voltage - Input (Min): 2.5V
Voltage - Input (Max): 5.5V
Voltage - Output (Min/Fixed): 1.8V
Current - Output: 300mA
Frequency - Switching: 1.5MHz
Operating Temperature: -40°C to 85°C
Quality and Safety Features
Over temperature protection
Over current protection
Under voltage lockout
Compatibility
Compatible with other devices requiring a stable 1.8V supply
Suitable for use with ceramic, tantalum, and aluminium electrolytic capacitors
Application Areas
Mobile Phones
Handheld GPS
Portable Media Players
Portable Medical Devices
Battery-Powered Equipment
Product Lifecycle
Active product status
Not reported as nearing discontinuation
Replacements or upgrades should be checked with Analog Devices
Several Key Reasons to Choose This Product
High-efficiency buck regulator for extended battery life
Compact TSOT-23-6 package saves board space
High-frequency operation allows for small inductor and capacitors
Designed for automated assembly in tape and reel format
Suitable for a wide range of portable applications
Reliable performance over industrial temperature ranges
Proven quality from a reputable manufacturer, Analog Devices
LTC3405AES6-1.5LT
LTC3406ABES5Linear Technology / Analog Devices