Manufacturer Part Number
MAX1953EUB
Manufacturer
Analog Devices
Introduction
High-efficiency step-down DC-DC switching controller designed for compact power management solutions.
Product Features and Performance
High frequency switching at 1MHz allows for smaller passive components
Integrated synchronous rectifier enhances efficiency
Up to 89% duty cycle for low dropout operation
Internal compensation simplifies design
Current limit feature for overcurrent protection
Low supply voltage range suitable for battery-operated devices
Product Advantages
High efficiency reduces power loss and heat generation
Small footprint and size due to high-frequency operation
Stable operation with a wide range of external components
Built-in safety features enhance reliability
Key Technical Parameters
Output Type: Transistor Driver
Function: Step-Down
Output Configuration: Positive
Topology: Buck
Number of Outputs: 1
Output Phases: 1
Voltage Supply (Vcc/Vdd): 3V ~ 5.5V
Frequency Switching: 1MHz
Duty Cycle (Max): 89%
Synchronous Rectifier: Yes
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 10-TFSOP, 10-MSOP
Quality and Safety Features
Operating temperature range ensures reliability across various environments
Current limiting for device and load protection
Over-temperature and overvoltage protections
Compatibility
Compatible with numerous standard surface mount processes
Suitable for use with a broad range of input voltages and output loads
Application Areas
Portable electronics
Power supply modules
Battery-powered devices
Communication equipment
Product Lifecycle
Status: Active
Not indicated as nearing discontinuation
Availability of replacements or upgrades should be checked with the manufacturer
Several Key Reasons to Choose This Product
High integration offers a compact solution for space-constrained applications
Industry-leading performance in efficiency for extended battery life
Versatile supply voltage range making it suitable for a wide range of devices
Fast switching frequency enables the use of smaller external components, saving board space
Manufacturer's reputation for quality and reliability ensures a trustworthy product
The product's active status implies ongoing support and availability