
Allicdata Part #: | LP87322ERHDRQ1-ND |
Manufacturer Part#: |
LP87322ERHDRQ1 |
Price: | $ 1.37 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | AUTOMOTIVE - MULTI PHASE |
More Detail: | Linear And Switching Voltage Regulator IC Output |
DataSheet: | ![]() |
Quantity: | 1000 |
1 +: | $ 1.37000 |
10 +: | $ 1.32890 |
100 +: | $ 1.30150 |
1000 +: | $ 1.27410 |
10000 +: | $ 1.23300 |
Series: | * |
Part Status: | Active |
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LP87322ERHDRQ1 is a variable output battery-powered, low quiescent current voltage regulator for mobile applications. This voltage regulator can be used to control the output voltage from 3.3V up to 5.5V, offering a wide input/output range and providing a low quiescent current of only 670 nA. LP87322ERHDRQ1 belongs to the family of PMIC (Power Management ICs) voltage regulators and can be classified under Linear + Switching type.
PMIC voltage regulators are considered an essential component in mobile platforms as they are responsible for providing stable power supply to all parts of the device. They play a key role in devices\' power efficiency, energy management, and overall system performance. LP87322ERHDRQ1 offers the highest efficiency, both in operating power and quiescent current, compared to other voltage regulators. In addition, it is also able to offer very low dropout (LDO) voltage and fast transient response. It also supports input voltage from 2.7V (minimum) to 5.5V (maximum) and output voltage ranging from 2.93V to 5.5V.
LP87322ERHDRQ1\'s working principle is based on a buck converter architecture. It uses two transistors in series, with one connected to the input voltage and the second connected to the output voltage. The transistor connected to the input voltage acts as a switch and the other connected to the output voltage acts as an amplifier. As the input voltage changes, the first transistor will switch on and off, increasing or decreasing the current in the second transistor, thus changing the output voltage.
The power dissipated by the LP87322ERHDRQ1 is very low and this is attributed to its high-efficiency and low switching frequency. The switching frequency of the LP87322ERHDRQ1 is programmable from 750 KHz to 1.5 MHz, allowing for ultra-low current design. It also has an internal impedance of 5.9 mohms and a temperature range of -40°C to +85°C. Furthermore, it has reverse-current, short-circuit, and under-voltage protection.
LP87322ERHDRQ1 voltage regulator can be used in a variety of portable and mobile devices such as cellular phones, PDAs, digital cameras, gaming devices, notebooks, and more. It can also be used in automotive applications such as car audio, GPS navigation systems, and communication systems. In addition, it can be used in other applications such as PCMCIA slots and peripheral devices.
Overall, LP87322ERHDRQ1 is an excellent choice for a Linear + Switching type voltage regulator with its wide operating range, high efficiency, and low quiescent current. It provides the power solutions for a wide range of mobile and portable devices, making it perfect for low-power designs.
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