S-812C39AY-B-G

Current - Output:	50mA
Supplier Device Package:	TO-92-3
Package / Case:	TO-226-3, TO-92-3 (TO-226AA)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	--
Control Features:	--
PSRR:	--
Current - Supply (Max):	2.1µA
Current - Quiescent (Iq):	500nA
Series:	S-812C
Voltage Dropout (Max):	0.35V @ 10mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.9V
Voltage - Input (Max):	16V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Bulk

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction

The S-812C39AY-B-G is a step-down, synchronous, buck-mode regulator. It is designed to provide regulated output voltage from either a 6V or 12V input voltage source. It is suitable for use in applications ranging from general purpose to extreme reliability, such as those found in automotive, aerospace and industrial applications.

Application Field

The S-812C39AY-B-G step-down regulator is designed for use in a wide variety of applications, such as limiting inrush currents in systems with high-inrush requirements, conversion of unregulated input sources, and powering multiple loads from a single power source. It is ideal for use in applications who need a reliable, low-noise reference voltage to maintain a steady output voltage. It is also often used in applications that require the conversion of a 12V input voltage to a 6V output voltage, such as power supplies and laptop power management.

Working Principle

The S-812C39AY-B-G step-down regulator is based on a buck-mode switching regulator topology. The topology works by maintaining a high-frequency, load-dependent oscillator to minimize the peak currents during switching, which reduces the worst case power consumption and improves the transient response of the buck regulator. The S-812C39AY-B-G also uses advanced slew-rate control to minimize overshoot and minimize switching losses.The S-812C39AY-B-G regulator also incorporates advanced current limit protection, which enables it to detect overloads across the load and switch off the output in response to a current overload. This helps protect the system from catastrophic overloads, and is especially useful for installations that employ a wide variety of loads. Furthermore, the S-812C39AY-B-G includes over-temperature protection to ensure that the internal temperature of the device does not exceed a certain safe limit.

Conclusion

The S-812C39AY-B-G step-down regulator is a reliable, cost-effective solution for a wide range of linear voltage regulation applications. It is designed to provide precise voltage regulation and efficient power conversion, making it well-suited for a variety of applications, such as power supplies and laptop power management. Its advanced features, such as overcurrent protection, current limit protection, and over-temperature protection make it an ideal choice for those who need reliable, low-noise reference voltage.

The specific data is subject to PDF, and the above content is for reference