MAX15009ATJ+

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PMIC - Voltage Regulators - Linear

The MAX15009ATJ+ is an ultra-low quiescent current highly integrated linear regulator which is designed to provide a stable output voltage in systems with large capacitive loadings. This product family is a compact solution for voltage regulation requirements with its ultra small form factor and low quiescent current, drawing only 11nA of current when enabled in power save mode. It is capable of sourcing up to 800mA of output current and sinking up to 500mA of current, which makes it an ideal choice for portable and wearable applications.

The MAX15009ATJ+ is an intelligent power-management solution with a wide input voltage range of 3V to 16V and adjustable output voltage range of 0.8V to 3V. It features short-to-battery protection, fault latency protection and last okay signal for powering on/off connected loads. Additionally it features a programmable current limit and active output-discharge circuit which helps ensure that the device won’t go into latch mode during load transients. The ic is available in the industry standard 5WDFN8 package.

Features of the MAX15009ATJ+

• Wide input voltage range 3V to 16V
• Stable output voltage of 0.8V to 3V
• Ultra-fast transient response and low noise output
• Programmable current limit and active output-discharge circuit
• Short-to-battery protection and fault latency protection
• Last okay signal for powering on/off connected loads
• Ultra small form factor
• 11nA of current when enabled in power save mode
• ESD protection (±8kV, human body model)
• -40°C to +85°C Ambient Temperature Range

Application Field and Working Principle

The MAX15009ATJ+ is designed for a wide range of portable and wearable applications, such as mobile phones and mobile accessories, portable medical equipment and IoT, where a reliable and efficient power management solution is required. Specifically, it is ideal for use in small form factor applications like the Smart Wearables and medical implants. With its ultra high efficiency, low quiescent current and ultra small form factor, the MAX15009ATJ+ provides a high performance solution and is a great choice for space-constrained and high power applications.

The MAX15009ATJ+ is designed to work via a buck-boost process. This means that an input voltage of 3V to 16V is regulated to a constant output voltage of 0.8V to 3V. The device acts both as a step up and a step down regulator, depending on whether it is set closer to its minimum output or its maximum output. This design allows for efficient operation, because it does not waste energy by cycling in as much as more complex voltage regulator solutions. Additionally, the device features programmable current limit and active output discharge circuits, as well as fault latency protection and short-to-battery protection, ensuring a stable output voltage at all times.

As one of the most efficient and compact solutions on the market today, the MAX15009ATJ+ offers a reliable and efficient power management solution that meets the needs of portable and wearable designs. With its low quiescent current, wide input voltage range and adjustable output voltage range of 0.8V to 3V, as well as its fault latency protection and last okay signal for powering on/off connected loads, the MAX15009ATJ+ is an ideal choice for space-constrained and high power applications.

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