S-812C27AY-B2-U

Current - Output:	30mA
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):	1.6µA
Current - Quiescent (Iq):	500nA
Series:	S-812C
Voltage Dropout (Max):	0.68V @ 10mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.7V
Voltage - Input (Max):	16V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Bulk

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S-812C27AY-B2-U application field and working principle

S-812C27AY-B2-U is a Linear regulator from Panasonic that is in the PMIC (power management integrated circuit) category. It is low dropout (LDO) regulator specifically designed to stabilize output voltages as low as 1.8V. This device offers one of the lowest voltage drops on the market while maintaining high efficiency and long run-time. It also features low quiescent current and ultra low ESR.

Applications of S-812C27AY-B2-U

The S-812C27AY-B2-U is typically used in consumer and industrial applications to provide a stable voltage output. These include portable devices and peripherals, automotive, industrial and medical equipments, IoT (Internet of Things) devices and wearable electronics.

Features of S-812C27AY-B2-U

The device has a typical on-resistance of 0.45mΩ that ensures a very low dropout voltage in a wide range of operation and current levels. The device is designed for a wide operating temperature range and offers excellent stability, transient response and line regulation. It also has a built-in UVLO (Undervoltage Lockout) circuit to protect against short circuit, overload, and overheat conditions.

Working principle of S-812C27AY-B2-U

The S-812C27AY-B2-U is a linear voltage regulator that works by providing a stable output voltage, which is regulated by a series of components. The voltage regulator has two main components: the input power section and the output section.In the input power section, an external voltage source is connected to the input of the regulator. The power source can vary in voltage depending on the output voltage that is desired. A bias voltage is applied to the series transistor to enable it to close the circuit. This is done by the voltage reference stage, which is the main component of the regulator. It maintains a fixed reference voltage, a few volts higher than the output voltage.In the output section, the series transistor is connected to the output to enable current to flow from the input to the output. When the output voltage is higher than the reference voltage, the series transistor will close and the current will flow from the input to the output. This reduces the input voltage and maintains a stable output voltage.If the output voltage is less than the reference voltage, the series transistor will open and the current flow from the output to the input will be cut off, thus the output voltage will be maintained at the reference voltage. This ensures that the output voltage remains constant.The S-812C27AY-B2-U also has a load response compensation function that ensures that the output voltage stays stable even when the load varies. This is achieved by adjusting the output voltage according to the current demand of the device.In summary, the S-812C27AY-B2-U is a linear voltage regulator used to provide a stable output voltage for a range of application. It has excellent stability and line regulation, low power consumption, low voltage drop and a wide operating temperature range. It is ideal for applications requiring a wide range of output voltages, such as portable devices, automotive equipment, or medical devices.

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