NCP694DSAN12T1G

Current - Output:	1A
Base Part Number:	NCP694
Supplier Device Package:	6-HSON
Package / Case:	6-SMD, No Lead 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):	100µA
Series:	--
Voltage Dropout (Max):	0.56V @ 1A (Typ)
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.2V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The NCP694 DSAN12T1G is a low-cost, high-performance linear voltage regulator IC manufactured by ON Semiconductor. It is capable of supplying up to 1A of current to the output at adjustable voltages from 1.25V to 5.5V. This voltage regulator IC employs advanced design techniques to minimize output noise, provide good transient response and provide excellent load regulation performance. It also features an adjustable output voltage range, low-noise operation, and a shutdown mode for power saving.

Application Field

The NCP694 DSAN12T1G linear voltage regulator is most commonly used for power supplies and battery chargers, as well as other industrial, automotive and consumer applications. It is designed for applications where power density, cost, and system efficiency are primary factors. Additionally, this voltage regulator IC is suitable for point-of-load (POL) power converter designs, power supplies, motor drives, and other ON-semiconductor licensees’ motor control and power distribution applications. In automotive electronics, this part can be used in automotive charging systems, high-temperature and hard-switching loads, and low-side MOSFETs.

Detailed Working Principle

The NCP694 DSAN12T1G linear voltage regulator operates with a P-channel MOSFET in series with the input and output, enabling it to regulate the output voltage by controlling the MOSFET’s conduction. The NCP694 DSAN12T1G features an adjustable output voltage range of 1.25V to 5.5V, and features an active feedback loop for improved line and load regulation performance. This voltage regulator IC also provides thermal shut-down protection, and features a low-noise output.The power saving capability of this IC is provided by a logic-controlled shutdown function. This feature enables the user to reduce power consumption to a minimum during periods when the output load is not needed. This low-power shutdown feature is also useful in automotive applications as a way to reduce current draw to a minimum during periods of idle time.

Conclusion

The NCP694 DSAN12T1G linear voltage regulator IC is a cost-effective, high-performance solution for a wide variety of power supply and automotive electronic applications. It features an adjustable output voltage range of 1.25V to 5.5V, and a shutdown feature for reduced power consumption. With its advanced design techniques and low-power shutdown feature, the NCP694 DSAN12T1G is an excellent choice for applications which require a reliable, high-performance voltage regulator.

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