NCV33269DTRK-3.3

Current - Output:	800mA
Base Part Number:	NCV33269
Supplier Device Package:	DPAK
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Temperature, Short Circuit
Control Features:	--
PSRR:	55dB (120Hz)
Current - Quiescent (Iq):	8mA
Series:	Automotive, AEC-Q100
Voltage Dropout (Max):	1.35V @ 800mA
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Part Status:	Obsolete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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Application Field of NCV33269DTRK-3.3 and its Working Principle

Linear voltage regulators are widely used to maintain constant voltages in a variety of industries. Among these, NCV33269DTRK-3.3 is one of the newest voltage regulators made by ON Semiconductor. NCV33269DTRK-3.3 combines excellent performance, low quiescent current, and high output current drive capabilities, thus making it popular in many power applications.

Features

NCV33269DTRK-3.3 features a wide input and output voltage range, input voltage range of 8V to 36V and output voltage range of 2.5V to 28V. In addition, this regulator offers typical output current of 3.3A with an output current capability of up to 5A. It supports an output accuracy of ±2.0%.Moreover, the device has various protection features such as an internal current limit, overtemperature protection, and a current protection function that is enabled against surges and short circuits. It also features an integrated 50-mA reverse current path that allows the output voltage to restore to its normal value faster after the release of the external load. Additionally, the IC has a wide temperature range of -40°C to +150°C for improved reliability and stability.

Applications

Given its excellent performance, NCV33269DTRK-3.3 is suitable for a wide range of applications. These include high-power applications such as motor control, traction inverters and energy storage systems, as well as in other applications like automotive, industrial and automotive infotainment systems where power conversion or regulated output is required.

Working Principle

The NCV33269DTRK-3.3 employs a simple voltage regulation principle. It utilizes a control loop made up of an error amplifier and a power transistor. The power transistor receives the control signal from the error amplifier, which is based on the comparison between the feedback voltage and the reference voltage. If the voltage is unequal, the output is adjusted accordingly. The power transistor is then used to control the incoming voltage from the input and regulate it to the desired output voltage.The IC also comes with a current limit circuit and thermal protection features to protect the regulator from overcurrent and overtemperature. The current limit circuit limits the maximum current of the regulator while the thermal protection feature automatically shuts off the IC if it exceeds the predetermined temperature. In conclusion, NCV33269DTRK-3.3 is an excellent voltage regulator with features and functions suitable for a variety of power applications. Its wide input and output voltage range, integrated current limit circuit and thermal protection features make it an ideal choice for any application that requires voltage regulation.

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