ZSR330CSTOB

Current - Output:	200mA
Base Part Number:	ZSR330
Supplier Device Package:	TO-92-3
Package / Case:	TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 125°C
Protection Features:	Over Temperature, Short Circuit
Control Features:	--
PSRR:	64dB (120Hz)
Current - Quiescent (Iq):	600µA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	20V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction to ZSR330CSTOB

The ZSR330CSTOB is a voltage regulator chip designed for controlling and supplying power across different electrical systems. It is part of a range of analog integrated circuits produced by Renesas Electronics Corporation, a leading global provider of a variety of electronic components. The ZSR330CSTOB is a linear regulator which eliminates the need for multiple external components such as capacitors and inductors by providing easy-to-use features such as current limiting and thermal protection.

Application Field

The ZSR330CSTOB is mainly used to provide stable regulated DC voltages to system loads. It can be used for multiple purposes such as driving microprocessors, transistors, memory devices, logic circuits and other embedded systems. Typical applications for the ZSR330CSTOB include power supplies for a variety of portable gadgets, computer peripherals and communications equipment. The ZSR330CSTOB is also used in automotive systems to maintain a stable source of power by regulating the car’s battery voltage. Other common applications include providing regulated power supply to telephone equipment, pulse power systems and adjustable power source circuits.

Working Principle

The ZSR330CSTOB works on the principle of voltage regulation. When the input voltage fluctuates, the regulator maintains a constant output voltage by controlling the amount of current being drawn from the power source. This process is enabled by an internal error amplifier, which compares the input supply voltage to its reference voltage. The reference voltage is determined by the potentiometer setting. When the input voltage drops below the reference voltage, the error amplifier triggers the voltage regulating MOSFET to turn on and draw more current from the power source. This ensures that the output voltage remains at a constant level. The output voltage can also be adjusted by changing the potentiometer settings. The potentiometer also helps to control the dynamic response of the regulator. The dynamic response helps to keep the output voltage stable when the input voltage changes rapidly. The ZSR330CSTOB is designed to protect the system from over-current or over-voltage situations. It achieves this by using a reliable, programmable current-limiting circuit and temperature protection. The current-limiting circuit prevents current overloads by reducing the voltage output when the power demand exceeds a certain threshold., while the temperature protection reduces the output voltage when the temperature of the chip exceeds a certain value.

Conclusion

The ZSR330CSTOB is a versatile voltage regulator chip manufactured by Renesas Electronics Corporation. It is designed for use in a variety of applications, from portable electronics to automotive systems. The chip works on the principle of voltage regulation which helps to maintain a steady output voltage even when the input voltage fluctuates. The ZSR330CSTOB also offers additional protection against current overloads and temperature fluctuation.

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