Manufacturer Part Number
LTC3521EUF#TRPBF
Manufacturer
Analog Devices
Introduction
Integrated Power Management IC for portable devices combining step-down and step-up/step-down regulators
Product Features and Performance
Multi-channel output: 3 independent outputs
Flexible input voltage range: 1.8V to 5.5V
Variable output voltage: 0.6V to 5.5V
High output current capability: 600mA and 1A channels
High-frequency switching: 1.1MHz allows for small inductors
Integrated synchronous rectifier: Increases efficiency
Product Advantages
Space-saving solution due to compact QFN package
High efficiency for extended battery life
Low noise performance: Suitable for RF-sensitive applications
Minimal external components required
Key Technical Parameters
Topology: Buck, Buck-Boost
Output Type: Adjustable
Number of Outputs: 3
Min Input Voltage: 1.8V
Max Input Voltage: 5.5V
Min Output Voltage: 0.6V
Max Output Voltage: 5.5V
Output Current: 600mA, 1A
Switching Frequency: 1.1MHz
Operating Temperature Range: -40°C to 125°C
Quality and Safety Features
Over-temperature protection
High thermal performance package with exposed pad
Compatibility
Suited for surface mount technology (SMT)
Compatible with various battery technologies due to adjustable input voltages
Application Areas
Portable electronics
Battery-powered devices
Handheld medical devices
Wireless and RF systems
Product Lifecycle
Status: Active
Not reported as nearing discontinuation
Replacements or upgrades should be checked with manufacturer
Several Key Reasons to Choose This Product
High integration reduces system complexity and BOM cost
Multi-functional device saves space on PCB
Highly efficient for longer battery operation
Wide operating temperature range suitable for industrial applications
High-frequency operation permits the use of small external components
LTC3506AIDHD#TRPBFLinear Technology / Analog Devices
LTC3523EUD#TRPBFAnalog Devices Inc.IC REG BUCK BST ADJ DL 16QFN