AN77L06M-E1

Current - Output:	100mA
Base Part Number:	AN77L06
Supplier Device Package:	3-HSIP
Package / Case:	TO-243AA
Mounting Type:	Surface Mount
Operating Temperature:	-30°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	--
PSRR:	66dB (120Hz)
Current - Quiescent (Iq):	5mA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	6V
Voltage - Input (Max):	16.74V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

A PMIC is an integrated circuit (IC) designed to provide a set of power management functions. PMICs are commonly used to provide power management for system on chip (SoC) designs, as well as other designs where integrated power management is desired. The AN77L06M-E1 is a product of Panasonic which is a low dropout linear regulator (LDO). It is a three-terminal device that requires an input voltage of between 7.5V and 18V, and an output voltage of 6V.

The Application Field of AN77L06M-E1

The AN77L06M-E1 is a low dropout linear regulator (LDO) and it is optimally designed to use in battery powered devices and systems. It offers high accuracy, low noise, and high efficiency combined with low quiescent current. Furthermore, it includes a built-in enable circuit which aids in system power-up sequencing, as well as a power-on reset circuit. It is capable of delivering up to 200 mA of output current and has an adjustable output voltage range of 4.5V to 6.5V. The AN77L06M-E1 is ideal for use in portable electronics such as digital cameras, portable media players, PDAs, smartphones and other battery operated devices.

The Working Principle of AN77L06M-E1

The working principle of the AN77L06M-E1 is based on the Buck Converter topology. The input voltage is connected to the voltage input terminal and the output voltage is obtained from the output terminal. As the load current increases, the dropout voltage, which is the difference between the input and output voltage, increases, the regulator device maintains the preset output voltage.The AN77L06M-E1 is built by combining an Operational Amplifier (Op-Amp), a transistor formed of P-channel Metal-Oxide-Semiconductor field-effect transistors (MOSFETs) and several other support circuitry such as resistors, capacitors and diodes. The basic function of the Op-Amp is to regulate the output voltage and to reject any legal disturbance or noise which may cause variation in the output voltage. Its output voltage is kept constant by controlling the base voltage of the P-channel MOSFET transistor. The P-channel MOSFET forms the heart of the regulator and acts as the controlling element of the regulator.The switching frequency of the regulator is set by the external oscillator. A feedback loop is provided for the regulation of output voltage. This loop will compare the terminal voltage with a reference voltage and then the corrective action will be taken according to the adjustment of the duty cycle of the regulator.

Conclusion

The AN77L06M-E1 is an ideal product that offers precision and high performance, making it an excellent choice for use in a variety of battery operated electronics and systems. It has a high accuracy, low noise, and high efficiency combined with a low quiescent current. It is optimized for use in a buck converter topology, and features a built-in enable for power-up sequencing and power-on reset. This makes is an ideal choice for those looking for a reliable and efficient regulator for their system.

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