Manufacturer Part Number
MIC33030-4YHJ-TR
Manufacturer
Microchip Technology
Introduction
High-efficiency, step-down DC/DC regulator in compact package
Product Features and Performance
HyperLight Load® technology for improved light-load efficiency
Step-down (Buck) topology for voltage reduction
Single fixed output voltage
Operates at high switching frequency of 8MHz
Integrated synchronous rectifier for increased efficiency
Thermal shutdown and current limit for protection
Product Advantages
High efficiency at light loads improves battery life
Compact 10-MLF® (2.5x2) packaging saves board space
Wide input voltage range accommodates various power sources
Can operate at high temperatures, suitable for industrial applications
Key Technical Parameters
Input Voltage Min: 2.7V
Input Voltage Max: 5.5V
Output Voltage: 1.2V fixed
Output Current: 400mA
Switching Frequency: 8MHz
Operating Temperature Range: -40°C to 125°C
Quality and Safety Features
Built-in overcurrent protection
Thermal shutdown mechanism
Compatibility
Surface mount device compatible with automated PCB assembly
Can be utilized in a wide range of voltage regulation scenarios due to flexible input voltage
Application Areas
Consumer electronics
Portable devices
Industrial controls
Telecommunications
Networking
Product Lifecycle
Active product status, not nearing discontinuation
Options available for future upgrades or replacements
Several Key Reasons to Choose This Product
Highly efficient for extended battery life in portable applications
Supports a broad range of input voltages for versatile use
Small footprint suitable for space-constrained designs
High-frequency operation permits the use of small, low-cost capacitors and inductors
Industrial temperature range enabling use in harsh environments
Simple integration into existing designs due to fixed output configuration
