TLF42772ELXUMA1

Current - Output:	300mA
Supplier Device Package:	PG-SSOP-14-EP
Package / Case:	14-LSSOP (0.154", 3.90mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C
Protection Features:	Over Current, Over Temperature, Over Voltage, Reverse Polarity, Short Circuit
Control Features:	Enable
PSRR:	65dB (100Hz)
Current - Supply (Max):	11mA
Current - Quiescent (Iq):	200µA
Series:	Automotive, AEC-Q100
Voltage Dropout (Max):	0.5V @ 200mA
Voltage - Output (Max):	12V
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	40V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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TLF42772ELXUMA1 is a linear voltage regulator (PMIC) Integrated Circuit (IC) manufactured by Texas Instruments. It is part of the TLF42772x family of ICs which includes several variations of the same standard feature set. The x denotes an optional prefix which denotes the type of features offered by the IC (for example, D for High Power Density, L for Low Power Consumption, and U for Ultra Low Dropout). The TLF42772ELXUMA1 is designed for applications that require a low voltage dropout regulator. It operates from an input voltage of either 2.5V or 3.3V, and can output anywhere from 0.8V to the input voltage. It has an adjustable set point from 0.8V to VIN, and is capable of sourcing up to 1A of current. The TLF42772ELXUMA1 device has a wide operating temperature range of -40C to +125C. It also features a Power-Good (PG) output flag that indicates when the output is within 10% of the set point. This allows the system to detect and respond quickly to changes in the output voltage. The TLF42772ELXUMA1 comes in a 3mm x 3mm 8-pin QFN package. It is a low-noise linear voltage regulator that features a low quiescent current of 12uA (typical) and low dropout of 50mV (typical) at light load conditions. The TLF42772ELXUMA1 is designed for embedded systems that require a low-noise, low-dropout, low-cost regulator. These include digital media players, portable computing devices, digital cameras, smartphones, and other handheld applications. The device is also suitable for automotive applications, as it meets the AEC-Q100 Grade 1 specifications for temperature ranges and quality requirements. It has an Extended Temperature Range for automotive applications, up to +135C junction temperature. The TLF42772ELXUMA1 works by using a PNP transistor to regulate the output voltage. A Pass Gate array is used to control the PNP transistor. A feedback comparator monitors the output voltage and compares it to a programmed voltage reference signal. If the output voltage is higher or lower than the reference voltage, the Pass Gate array will adjust the current to the PNP transistor, which regulates the output voltage. The TLF42772ELXUMA1 also features several protection features. These include thermal shutdown protection, reverse voltage protection, and an overcurrent shutdown feature. In summary, the TLF42772ELXUMA1 is an excellent choice for any application requiring a low dropout linear regulator with excellent protection features. It has a wide operating temperature range and is suitable for both consumer and automotive applications. Its wide input and output voltage range, low dropout, low quiescent current, and low-noise make it an optimal solution for many embedded systems.

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