NCV8501PDW100

Current - Output:	150mA
Base Part Number:	NCV8501
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.295", 7.50mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C
Protection Features:	Over Temperature, Reverse Polarity, Short Circuit
Control Features:	Enable, Reset
PSRR:	--
Current - Supply (Max):	19mA
Current - Quiescent (Iq):	150µA
Series:	Automotive, AEC-Q100
Voltage Dropout (Max):	0.6V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	10V
Voltage - Input (Max):	45V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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NCV8501PDW100 is a low power linear voltage regulator that uses on-chip power MOSFETs, a low drop-out voltage, an adjustable output voltage of 0.8V to 6V, and an extended working temperature range from -55°C to 150°C. It features a very low quiescent current, fast line and load transient response, excellent PSRR (Power Supply Rejection Ratio), which make the NCV8501PDW100 well suited for low-power portable applications, such as mobile phones and digital cameras.

The application field of NCV8501PDW100 can be divided into two parts: powering and controlling. In powering, NCV8501PDW100 works well when used as a positive voltage source, providing a low voltage and current solution for powering low-voltage, low-power microcontrollers, process controllers, and memory devices. In controlling, NCV8501PDW100 serves as a control device to control the power supply voltage for the ICs in a variety of digital and analog applications.

The working principle of NCV8501PDW100 is based on a traditional linear regulator. It consists of an on-chip power MOSFET, along with an internal feedback network. A certain gate voltage of the power MOSFET is needed to keep the output voltage at the set level. The internal feedback network of the a NCV8501PDW100 precisely monitors and controls the output voltages and current.

In powering applications, the power MOSFET of NCV8501PDW100 acts as a switch, turning the input voltage into the output voltage. A certain gate voltage of the power MOSFET is necessary to keep the output voltage at the set level. To prevent the output voltage from dropping or exceeding the set level, the internal feedback network of NCV8501PDW100 precisely monitors and controls the output voltages and current.

In controlling applications, the power MOSFET of NCV8501PDW100 works as a current limiting device, controlling the power supply voltage for the ICs. The output voltage is adjusted using a resistor between the Feedback pin and the FG pin of NCV8501PDW100, where the value of the resistor affects the output voltage of the NCV8501PDW100.

The output current of NCV8501PDW100 controlled by an on-chip sense resistor. The current is directly proportional to the voltage difference between the sense resistor and the output voltage. This feedback loop is able to limit the output current to ensure that no overload or shorts occurs to the output voltage while keeping the output voltage stable at the design level.

The NCV8501PDW100 offers excellent thermal performance. The on-chip power MOSFET is able to dissipate the extra power, preventing the chip from overheating and ensuring the stability of the output voltage. The provided heat sink helps to dissipate the heat and improves the thermal performance, thus allowing longer working time and better operation in higher temperature conditions.

The NCV8501PDW100 provides superior power supply rejection ratio. The internal feedback network is able to balance the output voltage and filter the ripple noise from the input voltage, thus helping to maintain stable output voltages under dynamic conditions.

All in all, NCV8501PDW100 is a powerful low power linear voltage regulator designed for low voltage and low power applications, ranging from powering and controlling microcontrollers, memory devices, and digital and analog applications, to providing superior power supply rejection ratio, excellent thermal performance, and fast line and load transient response.

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