Manufacturer Part Number
HT7544-1
Manufacturer
utd-semiconductor
Introduction
Low-dropout voltage regulator designed for power-efficient applications
Product Features and Performance
Output Voltage Fixed at 4.4V
Maximum Input Voltage of 30V
Low Dropout of 0.1V at 1mA load
100mA Output Current capability
Ultra-low Quiescent Current of 3 µA
Surface Mount TO-243AA Package
Tape & Reel Packaging for automated assembly
Product Advantages
High efficiency for battery-powered devices
Minimal power loss due to low dropout voltage
Ideal for low-power applications with a quiescent current of just 3 µA
Robust short circuit protection for safety
Compact SOT-89-3 package suitable for space-constrained applications
Key Technical Parameters
Voltage - Input (Max): 30V
Voltage - Output (Min/Fixed): 4.4V
Voltage Dropout (Max): 0.1V @ 1mA
Current - Output: 100mA
Current - Quiescent (Iq): 3 µA
Operating Temperature Range: -25°C to 70°C
Quality and Safety Features
Short Circuit protection
Operation within the industrial temperature range of -25°C to 70°C
Compatibility
Compatible with a wide range of electronics that require a fixed 4.4V supply
SOT-89-3 package compatible with standard surface mount technologies
Application Areas
Portable devices
Battery-powered equipment
Low-power microcontrollers and sensors
Energy-efficient power designs
Product Lifecycle
Product Status: Active
No indication of nearing discontinuation
Replacements or upgrades should be explored in the utd-semiconductor 75xx series if necessary
Several Key Reasons to Choose This Product
Ensures power efficiency, extending battery life for portable applications
High input voltage support suitable for versatile applications
Controlled output voltage enhances the reliability of powered devices
The minimal footprint satisfies demands in compact system designs
Ultra-low quiescent current aids in reducing standby power consumption
Simplified inventory management due to packaging in Tape & Reel
