TPS78218DDCT

Current - Output:	150mA
Supplier Device Package:	SOT-23-5
Package / Case:	SOT-23-5 Thin, TSOT-23-5
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable
PSRR:	40dB ~ 15dB (10Hz ~ 1kHz)
Current - Supply (Max):	8µA
Current - Quiescent (Iq):	1.3µA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TPS78218DDCT: Linear Voltage Regulator

Linear voltage regulators are widely used in various industries, from consumer electronics, power control systems, and industrial controllers. The TPS78218DDCT is a linear voltage regulator manufactured by Texas Instruments (TI) and is suitable for a range of applications. This article will discuss the characteristics, applications and operating principles of the regulator.The device features a fixed output voltage of 5.0V with an unregulated input voltage range of 4.5V to 8.0V, allowing for a wide range of input voltage. It has a maximum output current of 1.5A and a serviceable temperature range from -40°C to +125°C. The maximum quiescent power consumption is 95mA and can go as low as 400μA in Shutdown Mode. The TPS78218DDCT operates with a switching frequency of 1.2MHz making it ideal for applications requiring high-frequency switching.The TPS78218DDCT is used in a number of applications, including telecommunications, power control systems, industrial controllers, and consumer electronics. The device is ideal for supply voltages that require higher efficiency, such as medical instruments, automotive applications and other critical applications. The regulator provides low EMI performance, low output voltage tolerance and excellent noise reduction, making it suitable for applications with limited space, power supply noise, and tight voltage tolerances.The TPS78218DDCT is designed to regulate input voltage and output current with a minimum of external components. The regulator utilizes a variety of integrated ripple-reduction capacitors and a control-loop logic block to provide a stable output voltage within a specified range. The output voltage is controlled by modulating the drive current to an external N-channel MOSFET, which acts as a switch. The integration of the internal ripple-reduction capacitors helps reduce the output voltage tolerance and reduce noise. A thermal overload protection circuit is available and thermal shutdown thresholds are included for shutdowns during overtemperature conditions.In summary, the TPS78218DDCT is a linear voltage regulator ideal for a wide range of applications. It features a fixed output of 5.0V with an input voltage range of 4.5V to 8.0V, supporting a maximum output current of 1.5A. Additionally, the device incorporates a variety of filters and a control-loop logic block to reduce voltage tolerance, output noise and improve efficiency. It is suitable for many critical applications, including telecommunications, power control systems, and industrial controllers.

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