Manufacturer Part Number
TPS78227DDCR
Manufacturer
Texas Instruments
Introduction
The TPS78227DDCR is a low-dropout (LDO) linear voltage regulator designed for power-sensitive applications, providing a fixed output voltage of 2.7V with a maximum input of 5.5V.
Product Features and Performance
Positive output configuration
Fixed output voltage of 2.7V
Low dropout voltage of 0.25V at 150mA load
Low quiescent current of 1.3 µA, reducing power consumption
Maximum supply current of 8 µA
PSRR: 40dB to 15dB between 10Hz to 1kHz, ensuring stable output under variable loads
Includes enable control feature for power-saving mode
Protection against overcurrent, over-temperature, and reverse polarity incidents
Product Advantages
High efficiency at low dropout voltages
Ultra-low power consumption in idle mode
Robust protection features enhance device longevity and reliability
Compact SOT-23-5 thin package suitable for space-constrained applications
Key Technical Parameters
Voltage Input (Max): 5.5V
Voltage Output (Min/Fixed): 2.7V
Current Output: 150mA
Voltage Dropout (Max): 0.25V @ 150mA
Current Quiescent (Iq): 1.3 µA
PSRR: 40dB ~ 15dB (10Hz ~ 1kHz)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Overcurrent and over-temperature protection
Reverse polarity protection
Compatibility
Compatible with a broad range of microcontrollers and analog ICs requiring a stable 2.7V supply
Surface-mountable design fits various PCB layouts
Application Areas
Battery-powered devices
Handheld medical equipment
Portable electronics
Sensor power supplies
Energy-efficient IoT devices
Product Lifecycle
Active status, not nearing discontinuation
Ongoing support and availability of replacements or upgrades
Several Key Reasons to Choose This Product
Exceptionally low quiescent current optimizes battery life for portable applications
Wide input voltage range offers flexibility across different power sources
High PSRR value ensures stable operation over a range of input conditions
Comprehensive protection features safeguard against common power-related issues
Compact package enables easy integration into space-limited designs
Reliable performance backed by Texas Instruments' commitment to quality
TPS78227DDCRG4Texas InstrumentsIC REG LINEAR 2.7V 150MA SOT23-5