LT1020CN#PBF

Current - Output:	125mA
Base Part Number:	LT1020
Supplier Device Package:	14-PDIP
Package / Case:	14-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	0°C ~ 100°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	Current Limit, Enable
PSRR:	--
Current - Supply (Max):	20mA
Current - Quiescent (Iq):	95µA
Series:	--
Voltage Dropout (Max):	0.85V @ 125mA
Voltage - Output (Max):	35.15V
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	36V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tube

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Introduction

LT1020CN#PBF is a low dropout voltage regulator (LDO) designed to provide up to 350mA of output current with an input voltage of up to 24V. It features low noise, fast transient response, tight line and load regulation and high power dissipation while operating at a low quiescent current. This economical LDO is ideal for powering a variety of microprocessors, FPGAs, ASICs and other high-performance system designs.

Features

The LT1020CN#PBF features:

• Transfer function accuracy of ±0.4%
• Output error flag for instantaneous fault detection
• Soft-start capability
• Wide input voltage range from 2.7V to 24V
• 350mA output current and 0.8V to 24V output voltage range
• Thermal protection, reverse current protection and overvoltage protection
• Thermally enhanced package for improved power dissipation

Applications

The LT1020CN#PBF is ideal for powering microprocessors, FPGAs, ASICs, and other high-performance system designs. It is suitable for applications such as automotive, consumer, industrial, and computing. It is also suitable for powering memory and I/O devices, voltage converters, communication and networking systems, analog-to-digital and digital-to-analog converters, and 48V telecom systems.

Working Principle

The LT1020CN#PBF operates as a linear regulator providing up to 350mA of output current. The device\'s internal circuitry senses the output voltage and compensates for changes in input voltage, line regulation and load regulation. The output voltage is set using an external voltage divider, allowing for an easy way to set any output voltage between 0.8V and 24V.The LT1020CN#PBF is protected from overvoltage and reverse current conditions to ensure the safety of the output voltage. The device is also protected from current and temperature overloads. In the event of a fault, the device will shut down temporarily, set a fault flag, and then resume operation once the fault has been corrected.

Conclusion

The LT1020CN#PBF is an economical, low dropout linear voltage regulator ideal for powering microprocessors, FPGAs, ASICs, and other high-performance system designs. It provides high power dissipation and fast transient response, tight line and load regulation, and wide input and output voltage ranges. It also includes protection features for fault detection, overvoltage conditions, and extreme temperatures.

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