LD6836TD/28P,125

Current - Output:	300mA
Base Part Number:	LD6836
Supplier Device Package:	5-TSOP
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	55dB (1kHz)
Current - Supply (Max):	250µA
Current - Quiescent (Iq):	100µA
Series:	--
Voltage Dropout (Max):	0.2V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.8V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction to LD6836TD/28P

The LD6836TD/28P is a low-dropout linear voltage regulator with adjustable output up to 28 V. It is a low-power, single-cell, 3-terminal adjustable regulator designed for voltage regulation applications where space is limited. It is specially designed for applications that require high current outputs, and has an extremely low dropout voltage. This makes it ideal for use in low-power systems.

LD6836TD/28P Features

The LD6836TD/28P can output up to 28V of adjustable voltage and supports a maximum output current of 3 Amps. It is a low-noise linear regulator, providing improved performance over any switching voltage regulator. It also features a low-quiescent current of 5 μA, which makes it ideal for applications where power efficiency is critical. Additionally, the device features a wide (±1.3V) input voltage range, making it suitable for a wide range of applications. It includes overcurrent, overvoltage and thermal protections, providing the user with a secure and reliable operation.

Application of LD6836TD/28P

The LD6836TD/28P is a highly suitable voltage regulator in applications requiring both linear regulation and space savings. It is ideal for use in low-power system applications, particularly mobile devices. Applications such as cellular phones and Personal Digital Assistants (PDAs). This device is especially suited for applications that require a low-noise linear regulator, such as audio applications.The LD6836TD/28P is also suitable for use in a variety of power management applications, such as notebook computers, digital cameras, portable device chargers and TVs. The device offers a wide range of adjustable voltage and is guaranteed to provide a linear output voltage.

Working Principle of LD6836TD/28P

The working principle of LD6836TD/28P is relatively simple. It consists of four major components – the reference, an error amplifier, the pass transistor, and a current sensing circuit. The reference provides a stable reference voltage and controls the output voltage. The error amplifier amplifies the voltage difference between the output voltage and the reference voltage and drives the pass transistor. The pass transistor governs the current flowing through the device, thus setting the output voltage. Lastly, the current sensing circuit monitors the current through the device, and shuts it off if the current exceeds the maximum current rating of the device.

Conclusion

The LD6836TD/28P is a low-dropout linear voltage regulator with adjustable output up to 28 V. It is a low power, single-cell 3-terminal adjustable regulator designed for voltage regulation applications where space is limited. The device is ideal for applications such as cellular phones and PDAs, as well as in notebook computers and digital cameras. It features a low quiescent current, a wide input voltage range, and overcurrent, overvoltage and thermal protection. The LD6836TD/28P utilizes a simple working principle, consisting of a reference, an error amplifier, a pass transistor, and a current sensing circuit.

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