LT1963AET-1.8#06PBF

Current - Output:	1.5A
Base Part Number:	LT1963
Supplier Device Package:	TO-220-5 Flow 6
Package / Case:	TO-220-5
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable
PSRR:	63dB (120Hz)
Current - Supply (Max):	120mA
Current - Quiescent (Iq):	1.5mA
Series:	--
Voltage Dropout (Max):	0.55V @ 1.5A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V
Voltage - Input (Max):	20V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tube

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PMIC - Voltage Regulators -LinearThe LT1963AET-1.8#06PBF is a 3-terminal special low-dropout (LDO) linear voltage regulator specifically designed for wide input and output range with Low ground current. It is designed for low noise and high PSRR performance over a wide input voltage range. This LDO is designed for applications that require low noise and low quiescent current such as local power supplies and post-regulation. It can effectively regulate outputs as low as 1.8V and can operate over an input voltage range of 2V to 10V while also offering a thermal shutdown protection and quiescent current limiting.Application FieldThe LT1963AET-1.8#06PBF is used in a wide variety of applications such as linear post-regulation, ultra-low dropout regulators, general purpose low-dropout linear regulator and local power supplies. It is also suitable for portable equipment and battery powered applications such as network communications, broadband access, telecommunication systems, handheld instruments, audio processing and high-end power supplies.Features and BenefitsThe LT1963AET-1.8#06PBF offers a wide input voltage range that can operate from 2V to 10V, low noise, and high PSRR performance. It can also handle output currents up to 150mA with a dropout voltage of 160mV when operating at 150mA. It also offers an extremely tight loading regulation of 0.1% over line and temperature changes.The LT1963AET-1.8#06PBF also offers thermal shutdown protection and quiescent current limiting, which helps protect the device from over-temperature conditions. The device has a very small package size, a 6-pin PBF 5mm x 7mm package, making it ideal for space-constrained application where low voltage and low dropout regulation is required.Working PrincipleThe LT1963AET-1.8#06PBF is a three-terminal special LDO linear voltage regulator. It uses a special architecture that eliminates the need for an N-channel MOSFET pass device, and instead utilizes a charge pump with external components that can provide up to 70mV of dropout voltage.This device incorporates a voltage reference, error amplifier, current limit and thermal-shutdown circuitry. The voltage reference provides the fixed voltage output, while the error amplifier amplifies the difference between the reference voltage and the feedback voltage. When this difference reaches a certain threshold, the current limit and thermal-shutdown circuitry are activated to prevent the device from exceeding its rated operating parameters.The LT1963AET-1.8#06PBF also features low quiescent current and fast transient response, which ensures that the device can supply the load with a stable output voltage even under varying loading conditions. The device’s ground current is also low enough to provide optimal efficiency for the most demanding applications.ConclusionThe LT1963AET-1.8#06PBF is an excellent choice for low voltage and low dropout applications. It offers a wide input voltage range, low noise, high PSRR performance, and thermal shutdown protection and quiescent current limiting. It also features a small package size and a very tight loading regulation making it ideal for space constrained applications where low voltage and low dropout regulation is required. The wide input and output range and low ground current of the LT1963AET-1.8#06PBF make it an ideal regulator for applications that require low noise and low quiescent current, such as local power supplies and post-regulation.

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