KA7912ATU

Series:	--
Packaging:	Tube
Part Status:	Active
Output Configuration:	Negative
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	-35V
Voltage - Output (Min/Fixed):	-12V
Voltage - Output (Max):	--
Voltage Dropout (Max):	2V @ 1A (Typ)
Current - Output:	1A
Current - Quiescent (Iq):	6mA
PSRR:	60dB (120Hz)
Control Features:	--
Protection Features:	Over Temperature, Short Circuit
Operating Temperature:	0°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	TO-220-3
Supplier Device Package:	TO-220-3
Base Part Number:	KA7912

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

KA7912ATU - Linear Voltage Regulators

The KA7912ATU is a linear voltage regulator from a group of power management integrated circuits (PMIC), specifically the voltage regulators category. It is a three-terminal positive-voltage regulator designed for use in a wide variety of applications, including but not limited to industrial and consumer electronics, multimedia and audio/video products, automotive, and general-purpose equipment.The KA7912ATU is designed to turn on and off small power switches quickly and efficiently. This IC is designed for a wide range of input voltages and can operate up to a maximum input voltage of 16V. It is also designed to operate at high temperature levels with thermal overheat protection and provides a current source of up to 1A with low dropout voltage.The KA7912ATU is widely used in applications that require a stable and consistent output voltage. The voltage regulator helps prevent the circuit from malfunctioning when a power supply is mainly driven by an input voltage that differs from the desired output voltage. This IC also includes a built-in current limiting feature that helps protect the circuit from overtemperature and overcurrent.The linear regulator can be used in a number of different ways, including applications that require a stable power supply like a battery-powered system, applications where variable input voltages need to be regulated, AC to DC power supply conversion, and more.The KA7912ATU has been designed to be very efficient, with high output current and low quiescent current. The quiescent current is when the circuit is idle and not performing any work and it ranges from 10mA to 20mA. Quiescent current is important because it is used to determine the amount of power consumed by the IC.The KA7912ATU contains an integrated short circuit and thermal protection. This helps guard against damage caused by excessive input voltage, accidental shorts, and overheating. The maximum power dissipation of the IC is 2W which helps protect it from overheating. The main components of the KA7912ATU include a P-channel power MOSFET, a voltage reference and an error amplifier. The P-channel power MOSFET is used to switch the load current and provide current to the output when the input voltage is below the regulated output voltage. The voltage reference sets the minimum output voltage and the error amplifier facilitates feedback between the output and the input to maintain the output at its desired level. The voltage regulator also includes a temperature compensated current limiter and feature for improved stability.The working principle of the KA7912ATU is based on the use of a MOSFET that is responsible for switching the load current. This voltage regulator controls the power to the output by comparing an internal reference voltage to the output transistor’s internal voltage. When the output voltage is below its desired level, the power MOSFET is open and current flows to the output. When the output voltage is higher than the desired level, the MOSFET is closed and no current flows to the output. In summary, the KA7912ATU is a three-terminal linear voltage regulator that is designed to be efficient and reliable, with built-in protection against overvoltage, short circuits, and overheating. This voltage regulator is widely used in a variety of applications because it is able to easily and quickly turn on and off small power switches, as well as provide a stable output voltage.

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

Part Number	Manufacturer	Price	Quantity	Description