MC7808ECDTXM

Current - Output:	1A
Base Part Number:	MC7808
Supplier Device Package:	TO-252, (D-Pak)
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Temperature, Short Circuit
Control Features:	--
PSRR:	73dB (120Hz)
Current - Quiescent (Iq):	8mA
Series:	--
Voltage Dropout (Max):	2V @ 1A (Typ)
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	8V
Voltage - Input (Max):	35V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The MC7808ECDTXM (MC7800ECDTXM) is a voltage regulator component that belongs to PMIC (Power Management IC) – Voltage Regulators – Linear category. It is an 8-pin, medium voltage, low dropout, linear regulator for both microcontrollers and data processors. The MC7808ECDTXM is manufactured by Microchip Technology Incorporated and is a part of the MCP7800 series.

Features

The MC7808ECDTXM is a 8-pin device with three externally controlled 5V, 10V, and 20V outputs available. It allows to easily integrate a Voltage regulator into the system with minimum number of external components. The Output voltage accuracy is maintained at ±2%, with a guaranteed current limit of 800mA, and a temperature range of -20°C to 150°C. The MC7808ECDTXMalso features several protection functions. Input UVLO (Under voltage Lockout) detects the input voltage and alerts the system of the unsafe power condition. Its soft start limit minimizes the inrush current and eliminates the risk of damaging the system components. The output over current protection ensures that the device is not overloaded, hence ensuring safety of the device and system.The device is RoHS compliant and is available in MSOP (Mini Small Outline Package) package.Other features of the MC7808ECDTXM voltage regulator include: • Operating voltage range: 4.5V to 20V • Output current up to 800mA • Output voltage accuracy at ±2% • Thermal protection • Reverse voltage protection • Adaptive transient response • Under voltage lockout • Short circuit protection

Applications

The MC7808ECDTXM voltage regulator is designed for use in many applications such as embedded systems, industrial systems, power converters and power supplies. It is highly suitable for applications that require a low dropout regulator such as wireless communication systems, RFID systems and portable communication devices. It can also be used for automotive and automotive related applications.

Working Principle

The MC7808ECDTXM operates on the fixed voltage regulator principle. When a voltage is applied to one end of the device, it produces a stabilized output voltage at the other end. The voltage regulator monitors the input voltage and adjusts the output voltage accordingly.The MC7808ECDTXM compares the input voltage to a reference voltage and generates a control current to regulate the output voltage. The output voltage is precisely maintained by controlling the current flow through the output stage. The MC7808ECDTXM has an external feedback pin that allows the user to set the voltage with a suitable external resistor.

Conclusion

The MC7808ECDTXM is an 8-pin voltage regulator component which is designed for applications that require a low dropout voltage regulator. It is manufactured by Microchip Technology, Inc. and is suitable for many applications such as embedded systems, industrial systems, RFID systems, portable communication devices, power converters and power supplies. The device operates on the fixed voltage regulator principle and it has several protection functions like input UVLO, soft start limit, output over current protection and reverse voltage protection.

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