LT3042MPDD#PBF

Voltage Dropout (Max):	0.35V @ 200mA (Typ)
Base Part Number:	LT3042
Supplier Device Package:	10-DFN (3x3)
Package / Case:	10-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C
Protection Features:	Over Temperature, Reverse Polarity
Control Features:	Current Limit, Enable, Power Good
PSRR:	117dB ~ 56dB (120Hz ~ 10MHz)
Current - Output:	200mA
Series:	--
Voltage - Output (Max):	15V
Voltage - Output (Min/Fixed):	0V
Voltage - Input (Max):	20V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tube

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Introduction:

LT3042MPDD#PBF is a 1A Low Dropout Regulator (LDO) designed by Linear Technology Corporation. It is a positive polarity, low-voltage regulator that offers a low dropout voltage and output voltage accuracy of ±1.5% for all load conditions over the full operating temperature range, making it suitable for a variety of applications. It can deliver up to 1A of output current, and has an input voltage range of 2V to 44V, making it perfect for low-voltage and high-current applications.

Appication Field and Working Principle:

The LT3042MPDD#PBF is suitable for use in a variety of applications including battery-powered portable devices, cell phone chargers, computers, and other consumer electronics. It can also be used in automotive, industrial, and test and measurement systems. This LDO has an adjustable output voltage range of 1.2V to 26V, and requires a minimum input voltage of 2.2V. It has an output current range of 0 to 1A and a dropout voltage of 140mV at 1A. The quiescent current of the device is typically 22μA, and it can achieve very low noise performance of 10μVrms (at 1MHz). The LT3042MPDD#PBF is designed to meet stringent EMI and ripple specifications. It has an output capacitance value of 22μF and also offers an optional reverse-blocking capability (RDIR) which can be used in systems requiring additional EMI protection. The device also offers excellent transient response for switching and adjustable loads, as well as high PSRR for line transient noise rejection. The LT3042MPDD#PBF also offers a variety of features that make it well suited for a wide range of applications. These features include a shutdown mode, adjustable soft-start/trim capability, and overtemperature protection. It also offers a thermal shutdown protection to protect the device from damage due to excessive temperature. In summary, the LT3042MPDD#PBF from Linear Technology Corporation is a versatile and reliable 1A LDO that is suitable for use in a wide range of applications. It offers low noise performance, excellent EMI and ripple specifications, adjustable output voltage and current, and built-in thermal shutdown protection. All these features make it a great choice for consumer electronics, automotive, industrial, and test and measurement systems.

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