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TPS54383PWPR
+BOMIC REG BUCK ADJ 3A DL 14HTSSOP
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Nhà sản xuấtTexas Dụng cụ
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Ông. Phần #TPS54383PWPR
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Gói HTSSOP (PWP)-14
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Có sẵn3262
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 2 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 28V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 25.2V |
| Current-Output | 3A |
| Frequency-Switching | 310kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 14-TSSOP (0.173, 4.40mm Width) Exposed Pad |
Tổng quan
Description
Key features include a wide input voltage range, integrated MOSFETs for reduced component count, and a switching frequency of up to 570 kHz, which allows for smaller external components. It also offers features such as soft start, overcurrent protection, and thermal shutdown for enhanced system reliability. The TPS54383PWPR comes in a thermally efficient 20-pin TSSOP package with PowerPAD, aiding in heat dissipation. Its design facilitates easy implementation in power management solutions, providing a reliable and compact solution for voltage regulation needs.
Equivalent
1. ON Semiconductor NCP3170: A similar step-down converter with comparable specifications.
2. Analog Devices ADP2302: Another buck converter that offers similar functionalities.
3. STMicroelectronics L6986: A compact step-down DC-DC converter with parallel capabilities.
4. Microchip MCP16311: A general-purpose buck regulator with similar features.
Always verify compatibility by comparing specifications and intended applications.
Features
Key features include:
- High efficiency, which is achieved through its synchronous rectification design.
- A wide switching frequency range, allowing for flexibility in design.
- Adjustable output voltage to match system requirements.
- Integrated MOSFETs that reduce the need for external components and simplify design.
- Cycle-by-cycle current limiting and thermal shutdown protection for increased reliability.
- The device supports a fixed-frequency PWM control and also offers an external synchronization feature for better noise management.
- An enable pin and a power-good indicator for enhanced control and monitoring of the system.
The TPS54383PWPR comes in a thermally enhanced PowerPAD™ package, aiding in heat dissipation and improving performance under load.
Pinout
1. VIN1, VIN2: Supply voltage inputs for each channel.
2. SW1, SW2: Switch node connections for each channel.
3. BOOT1, BOOT2: Bootstrap pins for driving the high-side FETs.
4. COMP1, COMP2: Compensation pins for error amplifier compensation networks.
5. FB1, FB2: Feedback pins for voltage regulation.
6. EN1, EN2: Enable pins for each channel.
7. SS1, SS2: Soft-start control pins.
8. GND: Ground reference.
9. VREG5: Internally generated 5V supply, used for internal circuit biasing.
10. PWRGD: Power good indicator pin.
11. RT/CLK: Resistor timing or external clock input for frequency setting.
This configuration allows the TPS54383PWPR to regulate two independent output voltages efficiently, making it suitable for a variety of applications requiring dual power outputs.