Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Not For New Designs |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 16V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 14.4V |
| Current - Output | 3A |
| Frequency - Switching | 800kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Tổng quan
Description
The MP2235GJ-Z is a high-performance, synchronous, step-down switching regulator designed to deliver optimal power conversion with high efficiency. It operates with a wide input voltage range, typically from 4.5V to 18V, making it suitable for various applications, from consumer electronics to industrial systems. The device provides a regulated output voltage and can supply a continuous output current, often up to 3A.
Key features of the MP2235GJ-Z include its built-in high-side and low-side power MOSFETs, which enhance efficiency and reduce the need for external components. It also incorporates advanced control algorithms, such as constant-on-time (COT) control, which ensures fast transient response and stability with minimal external components. Other features might include over-current protection, thermal shutdown, and under-voltage lockout, which enhance reliability and performance.
The MP2235GJ-Z is frequently used in situations requiring compact design and efficient power management, making it a versatile choice for engineers seeking reliable and efficient power solutions.
Key features of the MP2235GJ-Z include its built-in high-side and low-side power MOSFETs, which enhance efficiency and reduce the need for external components. It also incorporates advanced control algorithms, such as constant-on-time (COT) control, which ensures fast transient response and stability with minimal external components. Other features might include over-current protection, thermal shutdown, and under-voltage lockout, which enhance reliability and performance.
The MP2235GJ-Z is frequently used in situations requiring compact design and efficient power management, making it a versatile choice for engineers seeking reliable and efficient power solutions.
Equivalent
The MP2235GJ-Z is a step-down converter chip by Monolithic Power Systems. Equivalent products may include:
1. Texas Instruments TLV62568
2. Analog Devices ADP2303
3. Microchip MCP16301
4. ON Semiconductor NCP1117
5. Richtek RT7296
These alternatives offer similar functionalities but may differ in specifications. Always verify the specific requirements and performance parameters to ensure compatibility.
1. Texas Instruments TLV62568
2. Analog Devices ADP2303
3. Microchip MCP16301
4. ON Semiconductor NCP1117
5. Richtek RT7296
These alternatives offer similar functionalities but may differ in specifications. Always verify the specific requirements and performance parameters to ensure compatibility.
Features
The MP2235GJ-Z is a high-frequency, synchronous, step-down switching regulator from Monolithic Power Systems. It operates with a 3.3V to 18V input voltage range and delivers up to 3A output current. Key features include an integrated high-side and low-side MOSFET, which enhance efficiency and reduce component count. The device offers a 600kHz switching frequency, aiding in optimizing size and efficiency with minimal external components.
Additionally, it has a high-efficiency synchronous mode, which improves performance during light-load conditions. The MP2235GJ-Z includes comprehensive protection features such as over-current protection (OCP), short-circuit protection (SCP), and thermal shutdown to ensure reliable operation. It supports a precise 0.8V voltage reference, allowing for a wide range of output voltage settings via an external resistor divider.
The part also features a soft-start function to prevent inrush current during startup, and the device is available in a compact TSOT23-8 package, making it suitable for space-constrained applications in consumer electronics, industrial control systems, and telecom equipment.
Additionally, it has a high-efficiency synchronous mode, which improves performance during light-load conditions. The MP2235GJ-Z includes comprehensive protection features such as over-current protection (OCP), short-circuit protection (SCP), and thermal shutdown to ensure reliable operation. It supports a precise 0.8V voltage reference, allowing for a wide range of output voltage settings via an external resistor divider.
The part also features a soft-start function to prevent inrush current during startup, and the device is available in a compact TSOT23-8 package, making it suitable for space-constrained applications in consumer electronics, industrial control systems, and telecom equipment.
Pinout
The MP2235GJ-Z is a monolithic step-down switch mode converter with a 3A maximum output current. It is typically housed in a TSOT23-8 package, which has 8 pins. Here are the pin functions:
1. SW (Switch Output): The inductor connects to this pin, which is the output of the high-side power switch.
2. GND (Ground): This pin is the ground connection for the device.
3. FB (Feedback): This pin is the input to the error amplifier and is used to set the output voltage by connecting it to a resistor divider from the output.
4. EN (Enable): This is the enable pin, which turns the device on and off. It is high active.
5. VIN (Input Voltage): This is the supply voltage for the power stage.
6. BST (Bootstrap): This pin is for the bootstrap capacitor, which is needed to drive the gate of the high-side power switch.
7. PG (Power Good): This is an open-drain power good indicator pin.
8. AGND (Analog Ground): This is the ground for the control circuitry.
These pins collectively allow the MP2235GJ-Z to function as a step-down converter, regulating output voltage efficiently.
1. SW (Switch Output): The inductor connects to this pin, which is the output of the high-side power switch.
2. GND (Ground): This pin is the ground connection for the device.
3. FB (Feedback): This pin is the input to the error amplifier and is used to set the output voltage by connecting it to a resistor divider from the output.
4. EN (Enable): This is the enable pin, which turns the device on and off. It is high active.
5. VIN (Input Voltage): This is the supply voltage for the power stage.
6. BST (Bootstrap): This pin is for the bootstrap capacitor, which is needed to drive the gate of the high-side power switch.
7. PG (Power Good): This is an open-drain power good indicator pin.
8. AGND (Analog Ground): This is the ground for the control circuitry.
These pins collectively allow the MP2235GJ-Z to function as a step-down converter, regulating output voltage efficiently.
Manufacturer
The MP2235GJ-Z is manufactured by Monolithic Power Systems (MPS). MPS is a semiconductor company that specializes in designing, developing, and marketing high-performance analog and mixed-signal integrated circuits. These circuits are used in a variety of applications, including industrial, automotive, consumer electronics, computing and storage, communications infrastructure, and more. The company is known for its innovative power solutions that help enhance efficiency and reduce energy consumption across different systems and devices.
Application
The MP2235GJ-Z is a high-efficiency step-down converter, suitable for various applications. It is often used in consumer electronics, such as laptops and smartphones, to manage battery power efficiently. It can also be found in industrial and automotive systems where reliable voltage regulation is crucial. Additionally, the MP2235GJ-Z is used in telecommunications equipment and IoT devices, providing stable power supply under varying load conditions. Its compact size and high efficiency make it ideal for applications requiring space-saving power management solutions.
Package
The MP2235GJ-Z is typically available in a SOT-23-8 package type.
