Manufacturer Part Number
LD1117S33TR
Manufacturer
STMicroelectronics
Introduction
The LD1117S33TR is a low drop-out (LDO) linear regulator designed for power management, offering a fixed output at 3.3V with an input up to 15V.
Product Features and Performance
Low drop-out voltage of 1.2V at 800mA load.
Fixed 3.3V output voltage.
Supports up to 800mA output current.
Quiescent current of 10 mA.
Power supply rejection ratio (PSRR) of 75dB at 120Hz.
Over current and over temperature protection features.
Product Advantages
High efficiency for low voltage drop applications.
Reliable output stability with low quiescent current.
Enhanced safety features ensure device longevity.
Suitable for battery-powered devices due to low dropout.
Key Technical Parameters
Voltage Input (Max): 15V
Voltage Output (Min/Fixed): 3.3V
Voltage Dropout (Max): 1.2V @ 800mA
Current Output: 800mA
Current Quiescent (Iq): 10 mA
PSRR: 75dB (120Hz)
Quality and Safety Features
Over current protection
Over temperature protection
Ensures stable operation within 0°C ~ 125°C
Compatibility
Compatible with a wide range of applications requiring a 3.3V fixed output.
Suited for surface mount technology with SOT-223 package.
Application Areas
Consumer electronics
Industrial controls
Battery-powered devices
Portable electronics
Product Lifecycle
Status: Active
Not close to discontinuation, with ongoing support and availability.
Several Key Reasons to Choose This Product
Highly efficient for applications requiring low voltage drop.
Robust safety features extend device and system longevity.
Versatile for a wide range of electronics due to fixed 3.3V output.
Low quiescent current is ideal for battery-sensitive designs.
STMicroelectronics reliability and support.