MC33269T-3.5G

Voltage Dropout (Max):	1.35V @ 800mA
Supplier Device Package:	TO-220-3
Package / Case:	TO-220-3
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Temperature, Short Circuit
Control Features:	--
PSRR:	55dB (120Hz)
Current - Quiescent (Iq):	8mA
Current - Output:	800mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.5V
Voltage - Input (Max):	20V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tube

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MC33269T-3.5G Voltage Regulators: Application Field and Working Principle

The MC33269T-3.5G voltage regulator is an integrated circuit (IC) package designed to provide an adjustable output voltage, between 0.2V and 3.5V, with excellent line and load regulation capabilities while dissipating minimal power. It provides an optimized solution for power management and voltage regulation applications in a wide range of consumer, automotive and industrial systems.

Features:

The MC33269T-3.5G voltage regulator is designed with a number of advanced features to facilitate its use in a wide range of applications. These include:

• High precision regulation at ±2.5mV.
• Low quiescent current – typically only 5µA (at 1V output).
• High performance transient load response.
• Programmable operating voltage range – adjustable from 0.2 to 3.5 volts.
• Wide input voltage range – from 6V to 16V.
• Excellent line and load regulation characteristics.
• Wide operating temperature range – from -40°C to +125°C.

Applications:

The MC33269T-3.5G voltage regulator is suitable for use in a wide range of consumer, automotive and industrial applications, including:

• Battery powered consumer applications.
• Fixed output voltage applications (LED drivers, etc).
• Automotive power supply systems.
• Industrial control systems.
• Medical equipment.
• Power management in mobile platforms.

Working Principle:

The MC33269T-3.5G voltage regulator works by converting an input voltage into a regulated output voltage. It uses the Voltage Regulator Module (VRM) circuit topology, which is a switched-mode, step-down voltage regulator. The device consists of an internal MOSFET switch, an error amplifier and a feedback divider network that allows adjustment of the output voltage.The internal MOSFET switch continuously switches on and off in order to convert the input voltage into the regulated output voltage. The Error amplifier monitors the output voltage and comparators the output voltage with an internal reference voltage. The output voltage is then adjusted in order to keep the output voltage close to the reference voltage.The output voltage of the MC33269T-3.5G is adjustable, allowing for custom levels of operation. The output voltage can be set to between 0.2V and 3.5V, with an adjustable voltage accuracy of ±2.5mV.

Conclusion:

The MC33269T-3.5G voltage regulator is a high-performance IC package designed to provide an adjustable voltage with excellent line and load regulation capabilities while dissipating minimal power. It is suitable for a wide range of consumer, automotive and industrial applications, and is able to provide an adjustable voltage up to 3.5V with an accuracy of ±2.5mV. The device works by using the Voltage Regulator Module (VRM) circuit topology, which is a switched-mode, step-down voltage regulator.

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