Manufacturer Part Number
LM536033QPWPRQ1
Manufacturer
Texas Instruments
Introduction
Automotive Grade Step-Down DC/DC Switching Regulator
Product Features and Performance
High-Efficiency Step-Down Voltage Conversion
Wide Input Voltage Range: 3.9V to 36V
Fixed 3.3V Output Voltage
3A Output Current Capacity
1MHz Switching Frequency
Synchronous Rectification for Improved Efficiency
Operates at -40°C to 125°C Junction Temperature
Positive Output Configuration with Buck Topology
Surface Mount, 16-PowerTSSOP Packaging
Product Advantages
Suitable for Automotive Applications
High Reliability with AEC-Q100 Qualification
Robust Thermal Performance
High-Frequency Operation for Compact Solution
Integrated Synchronous Rectifier to Minimize External Components
Low Radiated Emissions with Spread Spectrum Capability
Key Technical Parameters
Input Voltage Range: 3.9V to 36V
Output Voltage: 3.3V Fixed
Output Current: 3A Maximum
Switching Frequency: 2.1MHz
Thermal Range: -40°C to 125°C
Qualification Standard: AEC-Q100
Mounting Type: Surface Mount
Quality and Safety Features
AEC-Q100 Qualified for Automotive Reliability
Over-Current and Over-Temperature Protection
Thermal Shutdown
Compatibility
Compatible with High-Side Switch Buck Regulator Topologies
Suitable for Common 12V and 24V Automotive Systems
Application Areas
Automotive Electronics
Power Supply for Microcontrollers and Microprocessors
Infotainment Systems
Advanced Driver Assistance Systems (ADAS)
Product Lifecycle
Status: Active
Not Nearing Discontinuation
Replacements or Upgrades Available Through Texas Instruments Portfolio
Several Key Reasons to Choose This Product
AEC-Q100 Qualification Ensures Automotive Standard Compliance
Wide Input Voltage Range Accommodates Various Automotive Battery Configurations
High Efficiency Synchronous Buck Operation Reduces Heat Dissipation
High Switching Frequency Enables the Use of Small, Low-Cost Inductors
Low EMI Characteristics Facilitate Compliance with Automotive Electromagnetic Compatibility Requirements
Excellent Thermal Performance Supports Use in High-Temperature Environments
Robust Power Management Solution for Automotive Electronics