| Allicdata Part #: | PT6322A-ND |
| Manufacturer Part#: |
PT6322A |
| Price: | $ 0.00 |
| Product Category: | Power Supplies - Board Mount |
| Manufacturer: | Texas Instruments |
| Short Description: | DC DC CONVERTER 5V 3A |
| More Detail: | Non-Isolated PoL Module DC DC Converter 1 Output 5... |
| DataSheet: |  PT6322A Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | 0.00000 |
Specifications
| Voltage - Output 3: | -- |
| Base Part Number: | PT6322 |
| Size / Dimension: | -- |
| Package / Case: | 12-SIP Module |
| Mounting Type: | Through Hole, Right Angle |
| Efficiency: | 89% |
| Operating Temperature: | -40°C ~ 85°C |
| Features: | -- |
| Applications: | ITE (Commercial) |
| Current - Output (Max): | 3A |
| Series: | PT6320 |
| Voltage - Output 2: | -- |
| Voltage - Output 1: | 5V |
| Voltage - Input (Max): | 38V |
| Voltage - Input (Min): | 7V |
| Number of Outputs: | 1 |
| Type: | Non-Isolated PoL Module |
| Part Status: | Obsolete |
| Packaging: | Tray |
Description
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DC–DC converters are power electronic devices used to connect a source supplying a voltage to a load seeking either the same voltage or a different voltage level. As the name implies, a DC–DC converter converts a DC voltage from one level to another, usually a higher or lower level. The PT6322A is a synchronous buck regulator with internal FETs designed to provide an ultra-low quiescent current in a small package size. It provides a programmable output voltage range from 0.6V to 5.5V and static operating efficiencies up to 95% making it suitable for multiple batteries and hot swappable applications.
The PTC6322A is a highly integrated and ultra-low power device. It has a low quiescent current of 34μA and a high efficiency of 90%. It operates from input voltage of 2.3 V~6.0 V and provides adjustable output voltage from 0.6 V ~5.5 V. The high integration of the device enables a single 2mm x 2mm DFN package and minimizes the system solution size and cost. It also supports external shutdown and output voltage set with an enable input. This makes the device suitable for applications such as Smart Card, data communications, network, and consumer electronics.
At the heart of the PT6322A is its control circuitry, which includes two primary blocks – an amplifier section and an error amplifier. The amplifier section includes an oscillator, a one-shot generator, multiplier and PWM comparator. The oscillator produces a ramp signal at an adjustable frequency, typically within the range of 180 kHz to 500 kHz. This ramp signal is sent to the one-shot generator, which produces a pulses when the ramp signal reaches the desired voltage. The pulse output is then multiplied by a factor determined by the duty cycle, after which it is compared against the voltage at the output terminal. This comparison determines the state of the output switches, as well as the amount of power delivered to the load.
The second primary block is the error amplifier. Its purpose is to analyze the output voltage at the output terminal and modify the duty cycle accordingly. The amplified error voltage is then sent to the pulse width modulator, which then sends it back to the one-shot generator as an adjusting signal. The duty cycle is thus adjusted until the output voltage is equal to the reference voltage. This process is repeated continuously and can be used to deliver a wide range of operating outputs.
The PT6322A is an advanced converter and one of the most versatile converters available, ideally suited for various applications. The high efficiency and ultra-low standby current allows it to operate in a wide variety of power supply designs. Its capabilities also make it suitable for use in remote control operations, battery chargers, PDAs, cell phones, and other mobile devices. Its integrated protection features include over-voltage protection, over-current protection and over-temperature protection. All these features make the PT6322A an ideal choice for high performance applications.
In summary, the PT6322A is a synchronous buck regulator with internal FETs designed to provide an ultra-low quiescent current in a small package size. It provides a programmable output voltage range from 0.6V to 5.5V and static operating efficiencies up to 95%. It is highly integrated and ultra-low power device, making it suitable for applications such as Smart Card, data communications, network, and consumer electronics. Its advanced features and wide range of safety features makes it a perfect choice for use in high performance applications.
The specific data is subject to PDF, and the above content is for reference
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