Manufacturer Part Number
REG1117A
Manufacturer
Texas Instruments
Introduction
The REG1117A is a low dropout (LDO) voltage regulator, suitable for various power management applications.
Product Features and Performance
Positive output configuration
Adjustable output voltage
Single regulator design
Low dropout voltage: 1.55V at 1A load
Output current capability of 1A
Good power supply rejection ratio (PSRR): 62dB at 120Hz
Product Advantages
High-efficiency LDO for low-voltage applications
Stable with low ESR output capacitors
Thermal and over current protection enhances safety
Key Technical Parameters
Input voltage (Max): 15V
Output voltage (Min/Fixed): 1.25V
Output voltage (Max): 13.5V
Current - Output: 1A
Quiescent current (Iq): 10 mA
Operating temperature range: -40°C to 125°C
Quality and Safety Features
Over current protection
Over temperature protection
Compatibility
Compatible with various capacitors for output stability
Surface mount SOT-223-4 package
Application Areas
Consumer electronics
Computer systems
Industrial equipment
Product Lifecycle
Obsolete status indicates the product is nearing discontinuation
Potential availability of replacements or upgrades should be investigated
Reasons to Choose This Product
Maintains regulation with low input-output voltage differential
Supports a wide range of output voltages for diverse applications
High current capability suitable for multiple electronic devices
Operates efficiently across a broad temperature range
Robust safety features ensure long-term reliability
Ease of integration with common surface mount processes
REG11172BURR-BROWN