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TPS70145PWPR

Name: TPS70145PWPR
Rating: 4.7 (12 reviews)

IC REG LIN 3.3V/1.2V 20-HTSSOP

Производитель
Мфр. Часть #TPS70145PWPR
Пакет
Лист данных TPS70145PWPR DataSheet
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Спецификации

Part Status	Active
Output Configuration	Positive
Output Type	Fixed
Number of Regulators	2
Voltage - Input (Max)	6V
Voltage - Output (Min/Fixed)	3.3V, 1.2V
Voltage Dropout (Max)	0.28V @ 500mA, -
Current - Output	500mA, 250mA
Current - Quiescent (Iq)	190 µA
PSRR	60dB (1kHz)
Control Features	Enable, Power Good, Reset, Sequencing
Protection Features	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	20-PowerTSSOP (0.173", 4.40mm Width)
Supplier Device Package	20-HTSSOP
Base Product Number	TPS70145
Current - Supply (Max)	230 µA

Обзор

Description

The TPS70145PWPR is a low-dropout (LDO) voltage regulator designed by Texas Instruments. It provides a stable output voltage of 1.45V with a high output current capability of up to 1A. The device operates with a wide input voltage range of 2.5V to 5.5V, making it suitable for various applications, including battery-powered devices and portable electronics.
Key features include low quiescent current, excellent line and load regulation, and thermal shutdown protection, enhancing reliability in operation. The TPS70145PWPR is available in a compact PowerPAD™ package, which aids in thermal performance and PCB space efficiency. With its low noise output and fast transient response, it's ideal for powering sensitive RF and analog circuits.
Overall, the TPS70145PWPR is a versatile and efficient choice for designers looking for a reliable LDO solution in low-voltage applications.

Features

The TPS70145PWPR is a low-dropout (LDO) voltage regulator designed for a wide range of applications. Key features include:
1. Output Voltage: Fixed output voltage of 4.5V.
2. Input Voltage Range: Operates with an input voltage range of 2.3V to 6.5V.
3. Output Current: Capable of delivering up to 1A of output current.
4. Low Dropout Voltage: Typically around 300mV at full load, ensuring efficient operation.
5. Power Supply Rejection Ratio (PSRR): High PSRR to minimize the impact of input voltage variations.
6. Thermal Protection: Integrated thermal shutdown to prevent overheating.
7. Compact Package: Available in a 5-pin VSSOP package, suitable for space-constrained designs.
8. Fast Transient Response: Provides stable output during load transients.
9. Low Quiescent Current: Efficient operation even under light load conditions.
These features make the TPS70145PWPR ideal for powering analog and digital circuits in portable and battery-operated devices.

Package

The TPS70145PWPR is packaged in a 20-pin TSSOP (Thin Shrink Small Outline Package) type. This surface-mount package is designed for efficient thermal dissipation and compact design, suitable for various electronic applications.

Pinout

The TPS70145PWPR is a low-dropout (LDO) voltage regulator with a pin count of 5.
Pin Functions:
1. Input (VIN): This pin receives the input voltage, typically in the range of 2.7V to 5.5V.
2. Output (VOUT): This pin provides the regulated output voltage, which is set at 1.45V.
3. Ground (GND): This pin is the common ground reference for the device.
4. Enable (EN): This pin is used to enable or disable the LDO. A high signal enables the output, while a low signal disables it.
5. NC (Not Connected): This pin is not internally connected and can be left floating.
The TPS70145PWPR is commonly used in battery-powered applications due to its low quiescent current and low dropout voltage.

Manufacturer

The TPS70145PWPR is manufactured by Texas Instruments (TI), a leading American technology company. Founded in 1930 and headquartered in Dallas, Texas, Texas Instruments specializes in the design and manufacturing of semiconductors and various integrated circuits. The company is well-known for its analog and embedded processing devices, which are used in a wide range of applications, including automotive, industrial, consumer electronics, and communications.
Texas Instruments is recognized for its innovation in technology and has a strong emphasis on research and development. It serves a global market and is one of the largest suppliers of analog semiconductors, providing products that enable electronic devices to process and manage signals effectively.

Application

The TPS70145PWPR is a low-dropout (LDO) voltage regulator used in various application areas, including portable devices, battery-powered equipment, telecommunications, and consumer electronics. It provides a stable output voltage with low quiescent current, making it suitable for power management in applications such as microcontrollers, sensor power supplies, and RF devices. Its features support efficient power regulation in space-constrained environments.

Equivalent

The TPS70145PWPR is a low-dropout (LDO) voltage regulator. Equivalent products include:
1. MIC5205 - A low-dropout linear regulator with similar specs.
2. LP2985 - Another LDO with comparable performance.
3. LM1117 - A linear regulator that provides adjustable output.
4. LT1763 - A high-performance low-dropout regulator.
Always verify specifications, such as output voltage, current rating, and thermal performance, before substitution.

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