LT3032MPDE-3.3#PBF

Voltage Dropout (Max):	0.27V @ 150mA (Typ), 0.3V @ 150mA (Typ)
Base Part Number:	LT3032
Supplier Device Package:	14-DFN (4x3)
Package / Case:	14-PowerWFDFN
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable
PSRR:	68dB (120Hz), 54dB (120Hz)
Current - Output:	150mA, 150mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	±3.3V
Voltage - Input (Max):	±20V
Number of Regulators:	2
Output Type:	Fixed
Output Configuration:	Positive and Negative
Part Status:	Active
Packaging:	Tube

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Introduction

The LT3032MPDE-3.3#PBF is a 2A low dropout (LDO) linear regulator IC designed to provide a stable 3.3V output from a 2.25 to 5.5V input. It is capable of regulating from 15mA to 2A of load current over a temperature range of -40 to 125°C with excellent accuracy, stability and low noise performance. The LT3032MPDE-3.3#PBF is ideal for powering digital, analog and microprocessor-based systems, and its low dropout voltage makes it especially suitable for energy-sensitive applications.

Application

The LT3032MPDE-3.3#PBF is suitable for a wide range of applications ranging from communications equipment to personal computers and embedded applications. It is ideal for use in automotive, industrial and medical applications, where its low noise, low dropout voltage and wide temperature range make it an ideal choice. In addition, the LT3032MPDE-3.3#PBF is suitable for powering low voltage logic circuits, such as I/O interfaces, parallel buses, displays and programmable logic devices, which require precise voltages.

Features

The LT3032MPDE-3.3#PBF offers several features that make it a superior choice for powering low voltage logic circuits. Some of these features include:

• 2A low dropout regulator
• Low dropout voltage
• On-chip 4A peak current limit
• Thermal protection
• Soft-start/Ramp-up
• TTL/CMOS compatible enable/disable input
• Ultra-low noise performance
• Excellent line/load regulation
• Wide temperature range of -40 to 125°C

Working Principle

The LT3032MPDE-3.3#PBF works by comparing the voltage at the output of the regulator to a precision reference voltage. When the output voltage is lower than the reference voltage, the Switched Capacitor (SC) circuit is set in the "charging" state, sourcing current from an external current source to the output of the regulator. On the other hand, when the output voltage is higher than the reference voltage, the SC circuit is set in the "discharging" state, sinking current from the output of the regulator. This constant regulation loop keeps the output voltage of the regulator stable, allowing it to maintain a precise, low-noise output.

Conclusion

The LT3032MPDE-3.3#PBF is a perfect choice for powering low voltage logic circuits in a wide range of applications. With its low dropout voltage, wide temperature range and excellent noise performance, the LT3032MPDE-3.3#PBF can provide a highly accurate and stable output. Its on-chip current limit and thermal protection features make it especially suitable for energy-sensitive and thermally-challenged applications. With its superior performance and features, it is an ideal choice for any application that requires a stable, low noise power supply.

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