AP1533SG-13

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The AP1533SG-13 is a non-isolated step-down (buck) DC/DC converter. It operates on an input voltage range of 6V to 24V, and is capable of providing a current up to 0.7A. It is epoxy-encapsulated in a small SIP package, making it suitable for space-constrained applications. Its integrated MOSFET, current sense resistor and soft start capacitor reduce component count and reduce the solution size. The AP1533SG-13 is optimized for applications like Ethernet, cellular base stations, and sensors and other industrial equipment.

The AP1533SG-13 integrates all the features necessary for a buck converter, such as built-in MOSFET and current sense resistor, low quiescent current, low output ripple, soft start and programmable output voltage. It supports wide voltage input range, can provide output voltage ranging from 0.6V to the input voltage, and offers programmable switching frequency ranging from 200KHz to 1MHz. It is pin-compatible with many of the most popular buck converters from other vendors, allowing easy migration to the AP1533SG-13.

The AP1533SG-13 operates in two modes: pulse width modulation (PWM) and pulse frequency modulation (PFM). In PWM mode, the AP1533SG-13 provides constant output power. In PFM mode, the efficiency increases as the load current decreases. This enables a wide operating range and helps maximize efficiency. Additionally, the AP1533SG-13 has a low quiescent current of only 10µA, maximizing battery life in portable applications.

The AP1533SG-13 PWM/PFM switching regulator is an efficient, cost-efficient solution for applications which require a regulated output voltage at a wide input voltage range, such as Ethernet, cellular base stations, and sensors and other industrial equipment. Its low current consumption and low voltage drop help to maximize battery life and reduce solution size, while its wide input voltage range and programmable switching frequency allows for flexibility and increased efficiency. Additionally, its pin-compatibility with many of the most popular buck converters from other vendors makes it an easy migration to the AP1533SG-13.

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