LD29150DT33

Current - Output:	1.5A
Base Part Number:	LD29150
Supplier Device Package:	DPAK
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	67dB (120Hz)
Current - Supply (Max):	80mA
Current - Quiescent (Iq):	180µA
Series:	--
Voltage Dropout (Max):	0.7V @ 1.5A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	14V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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LD29150DT33 Application Field and Working Principle

PMIC (Power Management Integrated Circuit) Voltage Regulators are a type of linear regulator utilized to maintain a stable output voltage. They were designed to provide the ability to switch between two different voltage levels with a minimum of voltage loss, enabling higher efficiency and thermal management. The LD29150DT33 is a 150 Ohm, 8.7V Lithium-ion Voltage Regulator manufactured by LDO Tech. This particular regulator provides excellent thermal performance and offers an accurate, consistent output voltage. It also has a high current output capability, allowing for more efficient, longer-lasting operation. This article will discuss the application field and working principle of the LD29150DT33 Voltage Regulator.

Application Field

The LD29150DT33 is an ideal solution for applications requiring a regulated lithium-ion voltage output. Its high current output capability and excellent thermal performance make it suitable for use in a wide range of applications, including mobile phones, laptops and portable gaming devices. The regulator also offers an accurate and consistent output voltage, making it particularly suitable for situations where precise voltage needs to be maintained.The LD29150DT33 is designed for a specific operating environment, including a range of temperatures. It can be reliably used in extreme hot and cold temperatures, making it an excellent choice for projects that require reliable operation in harsh environments. Additionally, the regulator is designed with an ESD (Electrostatic Discharge) protection feature, to protect against potential damage from electrostatic discharge.

Working Principle

The LD29150DT33 Voltage Regulator is a linear regulator, meaning that it operates by providing a constant output voltage, regardless of the input voltage. This is in contrast to power switches, which depend on a variable input voltage to toggle between different output voltages. The LD29150DT33 utilizes an internal resistor to adjust the output voltage, which can be adjusted when needed based on specific requirements.The resistors inside the regulator work together to create a voltage divider circuit. When the input voltage is greater than the output voltage, the output voltage decreases to match the input voltage, resulting in the desired output. This helps to maintain consistent and accurate output voltage, even when the input voltage is fluctuating.When the input voltage is less than the output voltage, the regulator maintains the desired output. In this case, it relies on its internal regulating capabilities to step down the voltage as needed to match the output voltage. It does this using a technique referred to as "regulating", which involves converting excess power into heat in order to regulate the voltage.This combination of using a regulator and a voltage divider circuit provides a reliable and efficient method for maintaining a consistent output voltage. Combined with its robust design and excellent thermal performance, the LD29150DT33 is an excellent choice for projects requiring a steady and precise output voltage.

Conclusion

The LD29150DT33 Voltage Regulator is a linear regulator that is specifically designed to provide reliable output voltage in a variety of operating environments. It utilizes an internal resistor to adjust the output voltage as needed, and also incorporates an ESD protection feature to protect against potential damage from electrostatic discharge. The regulator’s high current output capability and excellent thermal performance make it suitable for a wide range of applications, including mobile phones, laptops and portable gaming devices. By combining a linear regulator with a voltage divider circuit, the LD29150DT33 can maintain precise and consistent output voltage, even when the input voltage is fluctuating.

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