Manufacturer Part Number
TL1963A-18DCQR
Manufacturer
Texas Instruments
Introduction
The TL1963A-18DCQR is a high-performance, low-dropout linear regulator designed for power-sensitive applications.
Product Features and Performance
Positive output configuration
Fixed output voltage of 1.8V
Low dropout voltage of 0.55V @ 1.5A
High output current capability of up to 1.5A
Low quiescent current of 1 mA
Excellent power supply rejection ratio (PSRR) of 63dB at 120Hz
Enable control feature for power-saving mode
Product Advantages
High-efficiency due to low dropout voltage
Reduced power consumption with low Iq
Stable operation with fixed output voltage
Robust design with built-in protection features
Wide operating temperature range suitable for industrial applications
Key Technical Parameters
Voltage - Input (Max): 20V
Voltage - Output (Min/Fixed): 1.8V
Current - Output: 1.5A
Current - Quiescent (Iq): 1 mA
Current - Supply (Max): 80 mA
Voltage Dropout (Max): 0.55V @ 1.5A
PSRR: 63dB (120Hz)
Quality and Safety Features
Overcurrent protection
Overtemperature protection
Reverse polarity protection
Compatibility
Compatible with various applications requiring a fixed 1.8V supply
Mounting Type: Surface Mount
Package / Case: SOT-223-6
Application Areas
Power-sensitive electronics
Portable devices
Industrial applications
Networking equipment
Product Lifecycle
Active product status
Not nearing discontinuation
Availability of replacements or upgrades not specified
Several Key Reasons to Choose This Product
High-efficiency performance for extended battery life
Low quiescent current ideal for standby applications
Built-in safety features ensuring device protection
Wide operating temperature range for harsh environments
High PSRR providing clean voltage for sensitive loads
Ease of integration with surface-mount package compatibility
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