規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Type | DC DC Regulator |
| Topology | Step-Up (Boost) |
| Internal Switch(s) | Yes |
| Number of Outputs | 1 |
| Voltage - Supply (Min) | 2.5V |
| Voltage - Supply (Max) | 6V |
| Voltage - Output | 25V |
| Current - Output / Channel | 1.33A (Switch) |
| Frequency | 1.3MHz |
| Dimming | Analog, PWM |
| Applications | Backlight |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The MP3202DJ-LF-Z is a high-efficiency, step-up DC-DC converter designed by Monolithic Power Systems. It is primarily used to drive white LEDs for LCD backlighting, making it ideal for portable devices such as smartphones and tablets. The converter operates with a wide input voltage range and provides a high output voltage, suitable for multiple LED configurations.
Key features include a built-in power MOSFET, high switching frequency, and PWM dimming control, which allows for efficient and precise brightness adjustment. The device offers protection features such as over-voltage protection, current limiting, and thermal shutdown to enhance reliability and safety. Its compact package and minimal external component requirement make it suitable for space-constrained applications.
The MP3202DJ-LF-Z is appreciated for its low quiescent current, which contributes to prolonged battery life in portable applications. It is designed to deliver high efficiency over a broad range of input and output conditions, ensuring optimal performance in various lighting applications.
Key features include a built-in power MOSFET, high switching frequency, and PWM dimming control, which allows for efficient and precise brightness adjustment. The device offers protection features such as over-voltage protection, current limiting, and thermal shutdown to enhance reliability and safety. Its compact package and minimal external component requirement make it suitable for space-constrained applications.
The MP3202DJ-LF-Z is appreciated for its low quiescent current, which contributes to prolonged battery life in portable applications. It is designed to deliver high efficiency over a broad range of input and output conditions, ensuring optimal performance in various lighting applications.
Equivalent
The MP3202DJ-LF-Z is a step-up DC-DC converter. Equivalent products could include the TI TPS61040, the LT1615 from Analog Devices, and the MAX1709 from Maxim Integrated. These alternatives offer similar functionality in boosting low input voltages to higher output voltages. However, exact equivalence will depend on specific requirements like output current, efficiency, and package type, so it's crucial to compare the datasheets and specifications of each product to ensure compatibility with your application.
Features
The MP3202DJ-LF-Z is a step-up (boost) DC-DC converter designed to drive up to six series white LEDs with constant current. Key features include:
1. High Efficiency: Achieves up to 90% efficiency for power conservation.
2. Wide Input Voltage Range: Operates from 2.5V to 6V, making it suitable for various battery types.
3. Current Regulation: Maintains consistent LED brightness by providing a constant output current.
4. Integrated Power Switch: Features a 1.3A, 0.7Ω internal switch to enhance performance and reduce component count.
5. Adjustable Output Voltage: Allows customization of output voltage using external resistors.
6. Cycle-by-Cycle Current Limiting: Protects the device and connected components by limiting current in each cycle.
7. Over-Voltage Protection: Safeguards the device against excessive voltage.
8. Thermal Shutdown: Includes a thermal protection feature to prevent overheating.
9. Compact Package: Available in a small TSOT23-6 package, ideal for space-constrained applications.
The MP3202DJ-LF-Z is well-suited for applications like backlighting, portable lighting, and any devices requiring efficient LED driving solutions.
1. High Efficiency: Achieves up to 90% efficiency for power conservation.
2. Wide Input Voltage Range: Operates from 2.5V to 6V, making it suitable for various battery types.
3. Current Regulation: Maintains consistent LED brightness by providing a constant output current.
4. Integrated Power Switch: Features a 1.3A, 0.7Ω internal switch to enhance performance and reduce component count.
5. Adjustable Output Voltage: Allows customization of output voltage using external resistors.
6. Cycle-by-Cycle Current Limiting: Protects the device and connected components by limiting current in each cycle.
7. Over-Voltage Protection: Safeguards the device against excessive voltage.
8. Thermal Shutdown: Includes a thermal protection feature to prevent overheating.
9. Compact Package: Available in a small TSOT23-6 package, ideal for space-constrained applications.
The MP3202DJ-LF-Z is well-suited for applications like backlighting, portable lighting, and any devices requiring efficient LED driving solutions.
Pinout
The MP3202DJ-LF-Z is a step-up DC-DC converter from Monolithic Power Systems designed to drive white LEDs. It typically comes in a TSOT-23-6 package, which means it has 6 pins. Here are the functions of its pins:
1. SW (Switch): This pin connects to the inductor and is the switching node.
2. GND (Ground): This is the ground reference pin for the circuit.
3. FB (Feedback): This pin is used to set the output voltage. It receives the feedback from the LED string.
4. EN (Enable): This pin is used to enable or disable the device. A high signal turns the device on, while a low signal turns it off.
5. VIN (Input Voltage): This is the supply input pin where the input voltage is applied.
6. OVP (Over-Voltage Protection): This pin is used for over-voltage protection to prevent damage to the device.
This configuration is designed to efficiently drive LED backlighting in applications such as mobile phones, digital cameras, and other portable devices.
1. SW (Switch): This pin connects to the inductor and is the switching node.
2. GND (Ground): This is the ground reference pin for the circuit.
3. FB (Feedback): This pin is used to set the output voltage. It receives the feedback from the LED string.
4. EN (Enable): This pin is used to enable or disable the device. A high signal turns the device on, while a low signal turns it off.
5. VIN (Input Voltage): This is the supply input pin where the input voltage is applied.
6. OVP (Over-Voltage Protection): This pin is used for over-voltage protection to prevent damage to the device.
This configuration is designed to efficiently drive LED backlighting in applications such as mobile phones, digital cameras, and other portable devices.
Manufacturer
The MP3202DJ-LF-Z is manufactured by Monolithic Power Systems, Inc. (MPS). MPS is a company that specializes in the design and development of analog and mixed-signal semiconductors. These components are integral to power solutions in a variety of electronic applications. MPS's products are often utilized in industries such as telecommunications, industrial applications, consumer electronics, and automotive sectors. The company is well-regarded for its emphasis on energy efficiency and innovative power management solutions.
Application
The MP3202DJ-LF-Z is a high-efficiency step-up converter designed for driving white LEDs or other applications requiring constant current regulation. It is commonly used in:
1. LED Backlighting: Suitable for driving LED backlights in portable devices like smartphones, tablets, and digital cameras.
2. Portable Electronics: Provides efficient power management for battery-powered devices.
3. Display Panels: Used in LCD displays to provide uniform brightness.
4. Lighting Systems: Ideal for low-power lighting applications where compact size and efficiency are critical.
Its features, such as integrated power MOSFET, high output voltage capability, and low feedback voltage, make it versatile for various compact and efficient power conversion needs.
1. LED Backlighting: Suitable for driving LED backlights in portable devices like smartphones, tablets, and digital cameras.
2. Portable Electronics: Provides efficient power management for battery-powered devices.
3. Display Panels: Used in LCD displays to provide uniform brightness.
4. Lighting Systems: Ideal for low-power lighting applications where compact size and efficiency are critical.
Its features, such as integrated power MOSFET, high output voltage capability, and low feedback voltage, make it versatile for various compact and efficient power conversion needs.
Package
The MP3202DJ-LF-Z is typically available in a TSOT-23-6 package, which is a small, surface-mount package commonly used for integrated circuits.
