TPS7233QPWR

Current - Output:	250mA
Base Part Number:	TPS7233
Supplier Device Package:	8-TSSOP
Package / Case:	8-TSSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable, Power Good
PSRR:	60dB ~ 50dB (120Hz)
Current - Supply (Max):	325µA
Current - Quiescent (Iq):	225µA
Series:	--
Voltage Dropout (Max):	1.1V @ 250mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	10V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TPS7233QPWR is a high-voltage linear regulator with a small number of components, designed to provide a constant voltage output with a small adjustable voltage range. Its main application fields are power supplies, battery charge and load regulation, 4.75V to 14V input voltage and 3.3V, 5V, 9V, 12V output voltage.

Delivering up to 200mA/600mA in a ultra-small 5-pin SOT-223 package, it is suitable for applications with strict space requirements. Adopting high-frequency switch technology, the device combines high-efficiency, low power consumption, best transient response and audio performance in a single component.

Working Principle of TPS7233QPWR

TPS7233QPWR is a high-voltage integrated step-down switch-mode converter from Texas Instruments. It is an ultra-small, guaranteed-accurate voltage regulator that regulates an output voltage from 4.75V to 14V from an input voltage of 4.75V to 16V.

The TPS7233QPWR comes with a current limit of 210mA and has a wide input voltage range. The device includes an integrated switch, which reduces external component count and combined with the high-frequency operation of the switching processes, which provides superior integration and improved efficiency.

The device\'s functionality is controlled by an on-chip logic circuit that monitors the input power supply, current and temperature. When the input power is switched on, an internal circuit turns the switch from the off state to the on state and sets the output voltage. The circuit works by using the PWM signal from the voltage regulator to modulate the output voltage. This signal is used to control the duty cycle of the power switch to regulate the average output current. The output voltage will remain steady even when the load current changes thus providing a constant voltage.

The TPS7233QPWR linear regulator also has several safety features. In the event of an overload or over-temperature condition, it will switch off the output current and go into a protected state. This switch off will protect the device from damage against excessive current and over temperature.

Conclusion

TPS7233QPWR is a high-voltage linear regulator voltage capable of delivering up to 200 mA/600mA with an adjustable voltage range from 4.75V to 14V. This miniature step-down voltage converter is suitable for applications such as power supplies, battery charge and load regulation. It has excellent transient response, high efficiency and precisely regulated output voltage. It also provides safety features such as overload and over-temperature protection.

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