Manufacturer Part Number
LD1117STR
Manufacturer
stmicroelectronics
Introduction
The LD1117STR is a low drop out (LDO) voltage regulator suitable for various applications that require a regulated power supply.
Product Features and Performance
Adjustable output voltage from 1.25V to 15V
Positive output configuration
Low dropout voltage of 1.2V at 800mA load
Maximum output current of 800mA
Current quiescent of 5 mA
High power supply rejection ratio (PSRR) of 75dB at 120Hz
Thermal overload protection
Short circuit protection
High efficiency for energy saving
Low ground current enhancing battery life in portable devices
Product Advantages
Highly reliable with built-in protection features
Stable output over a wide range of input voltages and output loads
Energy efficient and suitable for battery-powered applications
Compact SOT-223 package suitable for surface-mounted design
Key Technical Parameters
Input voltage up to 15V
Output voltage range 1.25V to 15V
Dropout voltage 1.2V @ 800mA
Output current up to 800mA
Quiescent current 5 mA
PSRR: 75dB (120Hz)
Quality and Safety Features
Over current protection
Over temperature protection
Safe operating temperature range 0°C to 125°C
Compatibility
Compatible with various electronic circuits requiring a stable voltage supply
Mounting in a SOT-223 package, ideal for compact PCB layouts
Application Areas
Consumer electronics
Computer systems
Telecommunications
Portable devices
Industrial controls
Product Lifecycle
Product status is active
Not reported as nearing discontinuation
Availability of replacements or upgrades not specified
Several Key Reasons to Choose This Product
Low dropout performance for efficient operation even at low input voltages
Robust protection features ensure long-term reliability
Suitable for a broad variety of applications from consumer electronics to industrial
Good thermal performance within a wide operating temperature range
The adjustable output caters to a diverse set of voltage requirements
Energy-saving characteristics support the design of eco-friendly products
Available in bulk packaging (Tape & Reel) for efficient assembly processes
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