Manufacturer Part Number
LTC3251EMSE#TRPBF
Manufacturer
Analog Devices
Introduction
High-efficiency extended VIN range step-down charge pump
Product Features and Performance
Extended input voltage range 2.7V to 5.5V
Adjustable output voltage from 0.9V to 1.6V
Maximum output current of 500mA
Switching frequency between 1MHz and 1.6MHz
Operates without inductor
Low noise constant frequency operation
Selectable Burst Mode® operation
Stable with ceramic capacitors
Over-temperature protection
Product Advantages
High integration for compact design
Operates without costly external inductor
Low ripple output suitable for noise-sensitive applications
High efficiency over wide voltage ranges
Burst Mode operation enhances battery life
Key Technical Parameters
Voltage - Input (Min): 2.7V
Voltage - Input (Max): 5.5V
Voltage - Output (Min/Fixed): 0.9V
Voltage - Output (Max): 1.6V
Current - Output: 500mA
Frequency - Switching: 1MHz ~ 1.6MHz
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Built-in over-temperature protection
Automatic low-voltage lockout
Commercial-grade operating temperature range
Reliable surface-mount MSOP-EP package
Compatibility
MSOP-EP 10-pin package compatible with automated SMT assembly
Selectable Burst Mode operation compatible with variable load applications
Application Areas
Battery-powered systems
Handheld devices
Portable instruments
Wireless and RF-powered devices
Product Lifecycle
Active product with ongoing production
Non-indicative of nearing discontinuation
Potential future availability of replacements or upgrades
Several Key Reasons to Choose This Product
Efficient step-down voltage regulation for extended battery life
Space-saving design for compact applications
Inductor-free operation reduces BOM cost and complexity
Low noise output suitable for RF and precision applications
Higher integration for reduced design time and faster time-to-market
Operates across a wide range of temperatures for versatile use in various environments
High switching frequency minimizes the size of external components
LTC3251EMSETRLinear Technology / Analog Devices
LTC3251EMSE#TRLINEARTECH