AN7707SP

Current - Output:	1.2A
Base Part Number:	AN7707
Supplier Device Package:	SP-3SUA
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Mounting Type:	Surface Mount
Operating Temperature:	25°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	--
PSRR:	67dB (120Hz)
Current - Quiescent (Iq):	5mA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	7V
Voltage - Input (Max):	18V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Bulk

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1. Introduction
2. Application
3. Description
4. Working Principle
5. Conclusion

Introduction

The AN7707SP is a monolithic linear Voltage Regulator integrated circuit that belongs to the PMIC (Power Management IC) family. It is produced by the Japanese Anritsu Corporation. This IC is a flexible low dropout (LDO) regulator, which provides reliable output voltage from a wide input range. It works over a temperature range of -40℃ to +85℃.

Application

The AN7707SP Voltage Regulator has wide applications. It is used in a wide range of electronic applications such as notebook computers, digital cameras, digital video camcorders and portable audio equipment. It is also suitable for automotive application, driving LED display and backlight, amplifier, audio amplifier, motor control, battery backed power supply, mobile phone handsets, avionics, automotive system and battery holder.

Description

The AN7707SP is a low dropout linear Voltage Regulator which can output a stable voltage corresponding to a wide range of input signals. It provides a wide input voltage range of 0.8V to 20V and a maximum output current of up to 1.2A. This Voltage Regulator has low noise, high efficiency and adjustable output voltage output range. It is a current limited circuit, which means it will reduce the output current when it experiences an overload condition. It also features an internal P-channel MOSFET switch which can be used to disconnect the output voltage for power saving.

Working Principle

The AN7707SP is a linear Voltage Regulator which works on the principle of constant voltage regulation. It uses a series of resistors and capacitors to filter the input voltage, and then it converts this input voltage into a stable output voltage which is regulated using a P-channel MOSFET. The output voltage is adjusted using external resistors, and the sensing voltage is then used to control the P-channel MOSFET. The output voltage is set to a range of 0.8V to 20V depending on the resistors values used. The output voltage is also monitored and compared against a voltage reference to ensure that the output remains stable. The output current is limited to protect the device against overloads and short circuits.

Conclusion

The AN7707SP is a low dropout linear Voltage Regulator which is used in a wide range of application areas. It is a flexible LDO Regulator which provides reliable output voltage from a wide input range. It has a wide input voltage range of 0.8V to 20V, and a maximum output current of up to 1.2A. This Voltage Regulator also features a current limiting circuit, which limits the output current during an overload, and an internal P-channel MOSFET switch allowing for power savings. The output voltage is adjustable using external resistors and the output voltage is monitored and compared against a voltage reference to ensure that the output remains stable.

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