LD29300V50

Current - Output:	3A
Base Part Number:	LD29300
Supplier Device Package:	TO-220AB
Package / Case:	TO-220-3
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	64dB (120Hz)
Current - Supply (Max):	100mA
Current - Quiescent (Iq):	180µA
Series:	--
Voltage Dropout (Max):	0.7V @ 3A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	14V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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## LD29300V50 Application Field and Working PrincipleThe LD29300V50 is a low cost, highly efficient linear voltage regulator. It features low power dissipation and pulse current control for lower energy consumption and improved efficiency. It is suitable for applications such as battery powered consumer electronics, computer peripherals and communication equipment. The LD29300V50 is a three-pin device, with an input voltage range of 2.5V to 12V, and an output voltage range of 1.2V to 3.6V. With an output current of up to 4A, the LD29300V50 is capable of providing power for a wide variety of applications.The LD29300V50 employs the Buck-Boost topology to regulate output voltage, allowing it to efficiently regulate input voltages higher than the output voltages. In this configuration, the output voltage is regulated by adjusting the duty cycle of a buck-boost converter, which varies the current through a power switch in order to control the output voltage.The LD29300V50 uses a current-mode control loop to regulate output voltage. The input voltage is fed into a pulse width modulator (PWM), which regulates the duty cycle of the switch. A phase-locked loop (PLL) is used to ensure that the frequency of the PWM remains constant, regardless of the input voltage. The current-mode control loop is used to ensure that the voltage error remains within the specified accuracy.The LD29300V50 features an internal compensation network, providing fast and accurate voltage regulation. The compensation network can be adjusted using an external resistor and/or capacitor, allowing the user to optimize the performance of the regulator for the specific application. The LD29300V50 also features an integrated over-temperature protection circuit, allowing for reliable operation in harsh environments.The LD29300V50 is ideal for applications requiring low power dissipation and high efficiency. Its low cost, wide input voltage range, and adjustable output voltage make it a perfect choice for cost-sensitive applications. With its excellent performance and low power consumption, the LD29300V50 is sure to provide an optimal solution for power supplies in a wide variety of applications.

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