Manufacturer Part Number
TPS79927DDCR
Manufacturer
Texas Instruments
Introduction
The TPS79927DDCR is a low dropout (LDO) linear voltage regulator optimized for power-sensitive applications, providing a stable and efficient power supply.
Product Features and Performance
Positive output configuration with fixed output voltage of 2.7V
Low dropout voltage of 0.18V at 200mA load
Output current capacity of 200mA
Ultra-low quiescent current of 60 µA, ideal for battery-powered devices
Excellent Power Supply Rejection Ratio (PSRR) of 70dB to 38dB across 100Hz to 100kHz, ensuring stable output despite variations in input voltage
Integrated control features including Enable function for power conservation
Comprehensive protection against overcurrent, overtemperature, reverse polarity, and under-voltage lockout (UVLO)
Operates over a wide temperature range from -40°C to 125°C
Product Advantages
High efficiency and low power consumption extend battery life in portable devices.
Compact SOT-23-5 package saves valuable board space.
High level of integration reduces external component count.
Key Technical Parameters
Voltage Input (Max): 6.5V
Voltage Output (Min/Fixed): 2.7V
Voltage Dropout (Max): 0.18V @ 200mA
Current Output: 200mA
Current Quiescent (Iq): 60 µA
PSRR: 70dB ~ 38dB (100Hz ~ 100kHz)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Features overcurrent and overtemperature protection for enhanced safety.
Reverse polarity and under-voltage lockout (UVLO) features prevent damage from power supply errors.
Compatibility
The device's output voltage is fixed at 2.7V, making it compatible with a wide range of low-voltage digital circuits and microcontrollers.
Surface Mount technology for compatibility with modern PCB designs.
Application Areas
Ideal for battery-powered devices, portable electronics, and low-power IoT applications.
Suitable for use in power-sensitive applications such as wearables and medical devices.
Product Lifecycle
The product is currently active and not close to discontinuation.
Availability of replacements or upgrades based on the evolving product range.
Several Key Reasons to Choose This Product
Ultra-low quiescent current extends the battery life of portable devices.
High PSRR ensures a stable output voltage under varied input conditions.
Compact design and comprehensive protection features enhance product reliability and safety.
Broad application suitability due to stable performance over varying temperatures and power conditions.
Backed by Texas Instruments' reputation for quality and support in power management solutions.
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