MAX1765EUE+

The MAX1765EUE+ is an 800mA, low noise, step-up DC-DC converter with 500mA linear regulator in 16 pin TSSOP package. This device operates at a high 1MHz fixed frequency while maintaining an exceptionally low quiescent supply current (200µA). It's small external components and tiny package make this device an excellent choice for small hand-held applications that requires longest possible battery life. Uses a synchronous-rectified pulse width modulation (PWM) boost topology to generate 2.5V to 5.5V outputs from a wide range of input sources such as one to three alkaline or NiCd/NiMH cells or a single lithium-ion (Li+) cell. The low-dropout (LDO) linear regulator and DC-DC converter have separate shutdown control. The high efficiency, low noise, converter used in battery-powered wireless applications and PCS phones, personal communicators, palmtop computers.

• Input voltage range from 0.7V to 5.5V
• Operating temperature range from -40°C to 85°C
• Up to 93% efficiency
• 500mA LDO linear regulator
• 2.85V linear regulator output or adjustable (1.25V to 5V)
• Low 125mV dropout at 500mA
• Logic controlled shutdown is 0.1μA
• Adjustable inductor current limit and soft start
• Thermal shutdown

Applications

Power Management, Industrial, Portable Devices

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Notes

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party