NCP693DMN33TCG

Current - Output:	1A
Base Part Number:	NCP693
Supplier Device Package:	6-UDFN (1.8x2)
Package / Case:	6-UFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	70dB (1kHz)
Current - Quiescent (Iq):	90µA
Series:	--
Voltage Dropout (Max):	0.65V @ 1A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	6.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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Introduction

The NCP693DMN33TCG is a linear voltage regulator. This type of regulator is suited for general purpose applications. A linear regulator has a high voltage margin and low output noise, making them ideal for applications where efficiency is not the primary concern. This device features an adjustable output voltage, a wide range of temperature operating range, and a low minimum operating current that makes it ideal for microprocessor applications.

Application Field

The NCP693DMN33TCG linear voltage regulator is used in a variety of applications where a stable and precise voltage is required. It is commonly used in communications systems, networking equipment, motor control, instrumentation, medical devices, automotive applications and consumer electronics such as digital cameras and laptops. The NCP693DMN33TCG is well-suited for applications that require precise voltage regulation with precise output current up to 500 mA or higher.

Features

The NCP693DMN33TCG linear voltage regulator is a three-terminal integrated circuit that offers several features and benefits. Some of the features of the NCP693DMN33TCG are:• Adjustable Output Voltage: output voltage is adjustable through the use of a control input pin. This allows for a range of output voltages ranging from 1.5V to 33V.• High-Current Output: provides regulation of up to 500mA at an output voltage of up to 33V.• Built In Protection: over-current, short-circuit and over-temperature protection are all built into the device.• Low Quiescent Current: the quiescent current of the NCP693DMN33TCG is typically low, around 3mA.• Low Temperature Coefficient: the NCP693DMN33TCG has a temperature coefficient of 0.02%, which ensures that its output voltage is extremely stable over a wide range or temperatures.

Working Principle

The working principle of the NCP693DMN33TCG linear voltage regulator is based on the "error amplifier" concept. It contains an error amplifier, a power supply voltage monitor, a control voltage reference, and control logic. In operation, the error amplifier amplifies the difference between the output voltage and the internal reference voltage to produce a correction signal, which is then used by the control logic to modify the output voltage until it reaches the desired level.The power supply voltage monitor monitors the input voltage and compares it with the output voltage. If the difference is larger than a certain amount, the supply current limit (SCL) is activated and the output is limited to the maximum load current.The control voltage reference sets the voltage level of the output, and the control logic is used to regulate the current and provide protection.

Conclusion

The NCP693DMN33TCG linear voltage regulator is a versatile and efficient regulator suitable for a variety of applications. It provides precise voltage regulation with high current output, adjustable output voltage, low power requirements, and excellent protection and temperature stability. Its advantages make it an excellent choice for applications that require reliable voltage regulation over a wide range of conditions.

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