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MAX5033DASA
+BOMIC REG BUCK ADJ 500MA 8SOIC
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メーカーアナログ・デバイセズ社/マキシム・インテグレーテッド
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メーカー品番 #MAX5033DASA
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在庫状況7686
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 |
| Part Status | Obsolete |
| Base Product Number | MAX5033 |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 7.5V |
| Voltage - Input (Max) | 76V |
| Voltage - Output (Min/Fixed) | 1.221V |
| Voltage - Output (Max) | 13.2V |
| Current - Output | 500mA |
| Frequency - Switching | 125kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Packaging | Tube |
概要
Description
The MAX5033DASA is a high-efficiency, step-down (buck) regulator designed for powering microcontrollers, FPGAs, and other digital circuits. It features a wide input voltage range of 4.5V to 30V and can deliver up to 3A of output current. The device operates at a high switching frequency of up to 1.5MHz, allowing the use of smaller external components and reducing the overall footprint.
Key features include an internal compensation network, thermal shutdown protection, and adjustable output voltage. The output voltage can be set using external resistors, making it versatile for various applications. The MAX5033DASA also incorporates features such as soft start for inrush current control and a power-good output for monitoring the status.
Due to its efficiency and compact design, it is suitable for battery-operated devices, industrial equipment, and telecommunications. The device comes in a thermally enhanced 20-pin TQFN package, facilitating better heat dissipation and reliability in demanding environments.
Key features include an internal compensation network, thermal shutdown protection, and adjustable output voltage. The output voltage can be set using external resistors, making it versatile for various applications. The MAX5033DASA also incorporates features such as soft start for inrush current control and a power-good output for monitoring the status.
Due to its efficiency and compact design, it is suitable for battery-operated devices, industrial equipment, and telecommunications. The device comes in a thermally enhanced 20-pin TQFN package, facilitating better heat dissipation and reliability in demanding environments.
Equivalent
The MAX5033DASA is a high-efficiency synchronous step-down power supply controller. Equivalent products include the TPS40055 from Texas Instruments, the LM2596 from ON Semiconductor, and the LTC3621 from Analog Devices. When selecting an equivalent, consider parameters like output voltage, current rating, and efficiency to ensure compatibility with your application. Always refer to the datasheets for detailed specifications.
Features
The MAX5033DASA is a high-performance, step-down (buck) regulator designed for a wide range of applications. Key features include:
1. Input Voltage Range: Operates from 4.5V to 28V.
2. Output Current: Delivers up to 3A of output current.
3. Efficiency: High efficiency (up to 95%) reduces thermal dissipation.
4. Output Voltage: Adjustable output voltage range from 0.8V to 15V.
5. Compensation: Internal compensation simplifies design and layout.
6. Switching Frequency: Fixed frequency of 300kHz to reduce external component size.
7. Soft-Start: Integrated soft-start feature minimizes inrush current.
8. Protection Features: Includes overvoltage protection, overcurrent protection, and thermal shutdown.
9. Thermal Management: Available in a compact 28-pin TSSOP package, allowing for efficient heat dissipation.
These features make the MAX5033DASA suitable for applications such as power supplies, industrial equipment, and other devices requiring stable and efficient power conversion.
1. Input Voltage Range: Operates from 4.5V to 28V.
2. Output Current: Delivers up to 3A of output current.
3. Efficiency: High efficiency (up to 95%) reduces thermal dissipation.
4. Output Voltage: Adjustable output voltage range from 0.8V to 15V.
5. Compensation: Internal compensation simplifies design and layout.
6. Switching Frequency: Fixed frequency of 300kHz to reduce external component size.
7. Soft-Start: Integrated soft-start feature minimizes inrush current.
8. Protection Features: Includes overvoltage protection, overcurrent protection, and thermal shutdown.
9. Thermal Management: Available in a compact 28-pin TSSOP package, allowing for efficient heat dissipation.
These features make the MAX5033DASA suitable for applications such as power supplies, industrial equipment, and other devices requiring stable and efficient power conversion.
Pinout
The MAX5033DASA is a high-performance, low-dropout (LDO) voltage regulator with a pin count of 8. It is designed to provide a regulated output voltage, suitable for powering various applications.
Pin Functions:
1. VIN: Input voltage supply.
2. GND: Ground reference.
3. VOUT: Regulated output voltage.
4. EN: Enable pin to turn the regulator on/off.
5. PGND: Power ground for high-current paths.
6. SS: Soft-start pin for controlling startup time.
7. COMP: Compensation pin for stability and transient response.
8. NC: No connect; not internally connected.
The MAX5033 offers features like low quiescent current and high accuracy, making it suitable for battery-operated devices and other applications requiring efficient voltage regulation.
Pin Functions:
1. VIN: Input voltage supply.
2. GND: Ground reference.
3. VOUT: Regulated output voltage.
4. EN: Enable pin to turn the regulator on/off.
5. PGND: Power ground for high-current paths.
6. SS: Soft-start pin for controlling startup time.
7. COMP: Compensation pin for stability and transient response.
8. NC: No connect; not internally connected.
The MAX5033 offers features like low quiescent current and high accuracy, making it suitable for battery-operated devices and other applications requiring efficient voltage regulation.
Manufacturer
The MAX5033DASA is manufactured by Maxim Integrated, which is a company specializing in analog and mixed-signal integrated circuits. Founded in 1983, Maxim Integrated designs and produces a wide range of semiconductor products, including power management, signal processing, and interface solutions. The company is known for its high-performance and innovative technologies, serving various industries such as automotive, industrial, communications, and consumer electronics. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., further expanding its capabilities and product offerings in the semiconductor market.
Application
The MAX5033DASA is a DC-DC step-down (buck) power supply regulator designed for applications requiring high efficiency and low quiescent current. It is commonly used in portable devices, battery-operated equipment, and industrial applications where reliable power management is crucial. Specific areas include consumer electronics, telecommunications, automotive electronics, and IoT devices. Its features make it ideal for powering microcontrollers, sensors, and RF modules, enabling longer battery life and stable performance in compact designs.
Package
The MAX5033DASA is packaged in a 20-pin TSSOP (Thin Shrink Small Outline Package) format. This surface-mount package is designed for compact applications, allowing for efficient use of board space.
