MAX1677 (3)
The MAX1677 is available from Analog Devices at Xecor. Designed for compact, high-efficiency, dual-output step-up and LCD bias DC-DC conversion, the MAX1677 offers synchronous rectification for up to 95% efficiency, a 0.7V to 5.5V input voltage range, and a low 20µA quiescent current. Available in a 16-SSOP package, it is ideal for portable devices such as handheld terminals, PDAs, portable instrumentation, and portable phones. Whether used in low-power sleep states or high-efficiency logic and LCD bias applications, this series ensures reliable performance and energy efficiency for demanding portable electronics. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the MAX1677 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| MAX1677EEE | High-efficiency DC-DC converter perfect for LCD bias and other applications | QSOP-16 | 5,006 | |
| MAX1677EEE+ | Switching Voltage Regulators Compact, High-Efficiency, Dual-Output Step-Up and LCD Bias DC-DC Converter | QSOP-16 | 7,613 | |
| MAX1677EEE+T | Switching Voltage Regulators Compact, High-Efficiency, Dual-Output Step-Up and LCD Bias DC-DC Converter | 16-QSOP | 6,279 |
Key Featrues
High Efficiency with Synchronous Rectification: With synchronous rectification, the device achieves up to 95% efficiency, making it ideal for battery-powered portable devices by extending battery life.
Dual-Output Configuration: The dual-output design provides both a main logic supply (up to 350mA) and a secondary LCD bias supply (up to ±28V), enabling versatile use in applications requiring multiple regulated voltages.
Wide Input Voltage Range (0.7V to 5.5V): This feature allows the MAX1677 to operate with various battery types, including 1, 2, or 3-cell alkaline, NiCd, NiMH, and 1-cell lithium-ion, making it highly adaptable for diverse portable devices.
Low Quiescent Current (20µA): The device consumes only 20µA in operation, minimizing power consumption during low-current states, which is critical for extending battery life in handheld and PDA applications.
Applications
Low-Power Sleep Mode Devices: The MAX1677 is well-suited for devices that operate with low-current
inchsleep inch states, such as pen-input devices and PDAs. Its 20µA quiescent current and 1µA shutdown current ensure minimal power consumption, extending battery life in portable applications.
Multi-Cell Battery-Powered Systems: The MAX1677 is ideal for systems powered by 1, 2, or 3-cell alkaline, NiCd, or NiMH batteries, as well as 1-cell lithium-ion batteries. Its wide input voltage range (0.7V to 5.5V) and dual-output capability make it a versatile choice for portable instrumentation and communication devices.
High-Efficiency LCD Bias Supply: The MAX1677 is perfect for generating high-voltage LCD bias supplies in portable devices. Its secondary output can deliver up to +28V or -28V, making it suitable for driving LCD displays in portable phones and other handheld electronics, while maintaining high efficiency and low power consumption.
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