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ADP2303ARDZ
+BOMIC REG BUCK ADJUSTABLE 3A 8SOIC
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メーカーテキサス・インスツルメンツ
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メーカー品番 #ADP2303ARDZ
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データシート ADP2303ARDZ DataSheet
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パッケージ SOIC-8
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在庫状況6564
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Package | Tube |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 3V |
| Voltage-Input(Max) | 20V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 20V |
| Current-Output | 3A |
| Frequency-Switching | 700kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) Exposed Pad |
概要
Description
The ADP2303ARDZ features an adjustable output voltage, typically set via external resistors, allowing for flexibility in different circuit designs. Key features include a high switching frequency, typically around 700 kHz, which enables the use of smaller external components. The device also includes built-in overcurrent protection, thermal shutdown, and soft-start to enhance reliability and ease of integration.
Overall, the ADP2303ARDZ provides a reliable solution for efficiently stepping down voltage in electronic systems, balancing performance, and cost-effectiveness.
Equivalent
1. LM2575 from Texas Instruments: A simple step-down switching voltage regulator with a fixed 1.23V reference.
2. MIC4575 from Microchip Technology: A 200 kHz step-down converter with similar output current capabilities.
3. MP1584 from Monolithic Power Systems: A 3A step-down regulator with a wide input voltage range.
4. LT1074 from Analog Devices: A 5A, 100 kHz switching regulator that is also a suitable alternative.
Always verify specifications to ensure compatibility.
Features
1. Input Voltage Range: It supports a wide input voltage range from 3.0 V to 20 V, making it versatile for various applications.
2. Output Voltage: The regulator can provide an adjustable output voltage down to 0.8 V, allowing for flexibility in power supply design.
3. Output Current: It can deliver up to 1.2 A of output current, suitable for powering moderate loads.
4. Efficiency: The device offers high efficiency, often exceeding 90%, which helps in minimizing power loss and heat generation.
5. Switching Frequency: It operates at a fixed frequency of 700 kHz, balancing efficiency with component size.
6. Protection Features: Includes overcurrent protection (OCP), thermal shutdown, and an enable pin for power sequencing.
7. Package: Available in a small 8-lead SOIC package, the ADP2303ARDZ is compact, which is ideal for space-constrained designs.
8. Applications: Suitable for distributed power systems, digital set-top boxes, and portable devices.
These features make the ADP2303ARDZ a reliable choice for efficient power regulation in various electronic applications.
Pinout
The functions of the pins are as follows:
1. VIN: Input voltage pin, where the supply voltage is applied.
2. SW: Switch node pin, connected to the inductor and the switch.
3. GND: Ground pin for the circuit.
4. FB: Feedback pin, used to set the output voltage through a resistor divider.
5. COMP: Compensation pin for controlling the loop compensation.
6. EN: Enable pin to turn the regulator on or off.
This setup allows the ADP2303 to efficiently convert a higher input voltage to a stable lower output voltage, making it suitable for various applications requiring power regulation.