規格
| 屬性 | 價值 |
| Package / Case | Tube,Tube |
| Part Status | Obsolete |
| Type | DC DC Controller |
| Topology | Step-Up (Boost) |
| Internal Switch(s) | No |
| Number of Outputs | 1 |
| Voltage - Supply (Min) | 2.7V |
| Voltage - Supply (Max) | 5.5V |
| Applications | Backlight |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The MAX1698EUB is a DC-DC step-up converter designed by Maxim Integrated. It is specifically tailored for portable and battery-powered devices, offering high efficiency in boosting low input voltages to higher output levels. The device operates at a high switching frequency, allowing the use of smaller external components, which contributes to a more compact design. It features internal MOSFETs and synchronous rectification to enhance efficiency and reduce power loss.
The MAX1698EUB offers various benefits, such as a wide input voltage range, low quiescent current, and adjustable output voltage, making it versatile for multiple applications. It also includes over-current protection, thermal shutdown, and undervoltage lockout to ensure reliable operation and safety. The chip is housed in a small, thermally-enhanced package, suitable for space-constrained applications. It is commonly used in devices like handheld electronics, digital cameras, and other portable gadgets where efficient power management is crucial.
The MAX1698EUB offers various benefits, such as a wide input voltage range, low quiescent current, and adjustable output voltage, making it versatile for multiple applications. It also includes over-current protection, thermal shutdown, and undervoltage lockout to ensure reliable operation and safety. The chip is housed in a small, thermally-enhanced package, suitable for space-constrained applications. It is commonly used in devices like handheld electronics, digital cameras, and other portable gadgets where efficient power management is crucial.
Equivalent
The MAX1698EUB is a step-up DC-DC converter by Maxim Integrated. Equivalent products would be other step-up DC-DC converters with similar voltage and current ratings. Some potential equivalents could include the TPS61030 from Texas Instruments, the LT1613 from Analog Devices (formerly Linear Technology), or the MC34063A from ON Semiconductor. Ensure compatibility with your specific requirements like pin configuration and electrical characteristics before substituting.
Features
The MAX1698EUB is a high-efficiency, step-up DC-DC converter designed for applications requiring compact size and low component count. Key features include:
1. Input Voltage Range: Operates from a low input voltage, typically suitable for battery-powered devices.
2. Output Voltage: Capable of generating output voltages up to 28V, making it ideal for driving high-voltage displays or powering systems needing higher voltages.
3. Efficiency: Offers high efficiency, often exceeding 85%, which helps extend battery life in portable applications.
4. Switching Frequency: Features a fixed high-frequency operation, reducing the size of external components and allowing for a compact design.
5. Current Limiting: Includes internal current limiting to protect against overload conditions.
6. Shutdown Mode: Provides a low-power shutdown mode to minimize power consumption when the converter is not in use.
7. Protection Features: Integrated thermal shutdown and over-voltage protection enhance reliability and safety.
8. Package: Available in a compact, thermally-efficient package, typically a 10-pin μMAX.
These features make the MAX1698EUB suitable for a variety of applications, including portable electronics, LCD bias supplies, and other battery-operated systems.
1. Input Voltage Range: Operates from a low input voltage, typically suitable for battery-powered devices.
2. Output Voltage: Capable of generating output voltages up to 28V, making it ideal for driving high-voltage displays or powering systems needing higher voltages.
3. Efficiency: Offers high efficiency, often exceeding 85%, which helps extend battery life in portable applications.
4. Switching Frequency: Features a fixed high-frequency operation, reducing the size of external components and allowing for a compact design.
5. Current Limiting: Includes internal current limiting to protect against overload conditions.
6. Shutdown Mode: Provides a low-power shutdown mode to minimize power consumption when the converter is not in use.
7. Protection Features: Integrated thermal shutdown and over-voltage protection enhance reliability and safety.
8. Package: Available in a compact, thermally-efficient package, typically a 10-pin μMAX.
These features make the MAX1698EUB suitable for a variety of applications, including portable electronics, LCD bias supplies, and other battery-operated systems.
Pinout
The MAX1698EUB is a step-up DC-DC converter designed for driving white LEDs, primarily used in backlighting applications for portable devices. It typically comes in a 10-pin µMAX package. Key functions of the MAX1698 include regulating output current to maintain consistent LED brightness and providing high efficiency, which is crucial for battery-powered devices. The converter can drive multiple LEDs connected in series, ensuring uniform brightness across the display. It features a fast 1MHz switching frequency, which helps minimize the size of external components, allowing for a compact design. Notably, the MAX1698 offers features like over-voltage protection and a shutdown mode to reduce power consumption when not in use.
Manufacturer
The MAX1698EUB is manufactured by Maxim Integrated. Maxim Integrated is a company that designs, manufactures, and sells analog and mixed-signal integrated circuits for the consumer, automotive, industrial, and communication markets. The company focuses on developing innovative semiconductor solutions to help solve complex engineering challenges. Maxim Integrated was acquired by Analog Devices, Inc. in 2021, expanding its portfolio and reach in the analog technology sector.
Application
The MAX1698EUB is a highly efficient, step-up DC-DC converter commonly used in applications requiring low component count and high-performance power conversion. Key application areas include:
1. Portable Devices: Useful in powering systems with small form factors like PDAs, smartphones, and portable audio players.
2. Battery-Powered Equipment: Efficiently extends battery life in devices like digital cameras and handheld instruments.
3. Personal Electronics: Suitable for LCD bias supplies and driving white LEDs in backlighting applications.
4. Communication Devices: Supports wireless modules and other communication equipment needing consistent power delivery.
5. Consumer Electronics: Ideal for general-purpose boost conversion in various consumer gadgets.
These applications benefit from its compact size, high efficiency, and low quiescent current.
1. Portable Devices: Useful in powering systems with small form factors like PDAs, smartphones, and portable audio players.
2. Battery-Powered Equipment: Efficiently extends battery life in devices like digital cameras and handheld instruments.
3. Personal Electronics: Suitable for LCD bias supplies and driving white LEDs in backlighting applications.
4. Communication Devices: Supports wireless modules and other communication equipment needing consistent power delivery.
5. Consumer Electronics: Ideal for general-purpose boost conversion in various consumer gadgets.
These applications benefit from its compact size, high efficiency, and low quiescent current.
Package
The MAX1698EUB is typically available in a 10-pin µMAX package.
