LD29150V25

Current - Output:	1.5A
Base Part Number:	LD29150
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:	70dB (120Hz)
Current - Supply (Max):	80mA
Current - Quiescent (Iq):	180µA
Series:	--
Voltage Dropout (Max):	0.7V @ 1.5A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	14V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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Introduction
The LD29150V25 is an adjustable, low dropout (LDO) linear regulator from STMicroelectronics that provides an adjustable output voltage down to 2.0V. The LD29150V25 is available in an 8-lead plastic extremely small outline integrated circuit (SOIC) and a National Semiconductor SSOP8 package. This linear regulator is cost effective yet offers higher performance than traditional three-terminal regulator devices.Application Field of LD29150V25
LD29150V25 is widely used in post-LCD backlighting applications to minimize power consumption as well as distortion and noise sensitivity. It combines features like low dropout voltage and fast transient response, making it an excellent LDO regulator for applications requiring low output voltage and fast response time. With an adjustable output voltage (down to 2.0V) and a wide input voltage range (from 4.5V to 17V), this linear regulator is great for applications requiring low operating cost, high power efficiency, and low distortion.Features and Specifications Of LD29150V25
• Adjustable Output Voltage Down to 2.0V
• High Output Voltage Accuracy of ± 1%
• High Output Current High-Side MOSFET
• Low Dropout Voltage at 100mV Maximum
• High Ripple Rejection: 80dB Min.
• Low Quiescent Current at 270uA Max.
• Output Current 1.5A Max.
• Thermal Shutdown Protection
Working Principle Of LD29150V25
The LD29150V25 linear regulator uses its high voltage feature to achieve a regulated output voltage with low dropout voltage. When the input voltage rises, the high voltage feature turns on the MOSFET, allowing the current to flow from the input to the output. The voltage at the MOSFET is regulated by a feedback network to maintain a regulated output. When the input voltage drops, the feedback network increases its output voltage until the current is limited by the maximum current capability of the MOSFET, resulting in a low dropout operation. The LD29150V25 is also able to provide fast transient response to ensure the output voltage is always within the desired range. Conclusion
The LD29150V25 is a linear regulator from ST Microelectronics. It has a wide input voltage range, adjustable output voltage down to 2.0V, high output voltage accuracy, and excellent ripple rejection. With its low dropout voltage, low quiescent current, and fast transient response, this linear regulator is great for post-LCD backlighting and other applications requiring low operating cost and high power efficiency.

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