Manufacturer Part Number
LT1129IQ#PBF
Manufacturer
Analog Devices
Introduction
LT1129 is a low-dropout linear regulator optimized for power management applications.
Product Features and Performance
Adjustable output voltage
Low dropout voltage: 0.7V @ 700mA
Output current: 700mA
High PSRR: 64dB at 120Hz
Low quiescent current: 70 µA
High input voltage range: up to 30V
Positive output configuration
Product Advantages
High efficiency due to low dropout voltage
Stable with low ESR capacitors
Thermal and reverse polarity protection
Key Technical Parameters
Input Voltage (Max): 30V
Output Voltage (Min/Fixed): 3.8V
Output Voltage (Max): 30V
Voltage Dropout (Max): 0.7V @ 700mA
Current - Output: 700mA
Quiescent Current (Iq): 70 µA
Supply Current (Max): 90 mA
Power Supply Rejection Ratio (PSRR): 64dB (120Hz)
Control Features: Enable
Protection Features: Over Temperature, Reverse Polarity
Quality and Safety Features
Over temperature and reverse polarity protections
Robust design ensuring a long operational lifespan
Compatibility
Compatible with a variety of surface mount technologies
Primary compatibility with the TO-263-6, D2PAK (5 Leads + Tab), TO-263BA package
Application Areas
Consumer electronics
Industrial equipment
Telecommunication systems
Portable devices
Product Lifecycle
Active status
Not currently listed as nearing discontinuation
Availability of replacements or upgrades not specified
Key Reasons to Choose This Product
Capable of handling high input voltages up to 30V
Efficient power regulation with low dropout
Low operational current to save energy
High PSRR minimizing voltage fluctuations
Built-in thermal and reverse polarity safety features
Wide variety of applications due to adjustable output voltage
Reliable performance over a broad temperature range (-40°C to 125°C)
Adaptable to different mounting technologies including surface mount
Produced by Analog Devices, a reputable manufacturer in power management solutions