MAX1962EEP+

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The MAX1962EEP+ is a high-efficiency, high-frequency switching controller for dc-to-dc conversion in step-up and/or step-down configuration. It provides a variety of sophisticated features that simplify the design of synchronous dc-to-dc converters. This current mode control device is suitable for flyback, forward, and push-pull topologies, while advanced protection features and easy implementation of external compensation provide the high level of system reliability and performance to meet the most stringent application needs.

The MAX1962EEP+ is designed to operate over a wide input voltage range of 4V to 32V. It incorporates a high-side/low-side current mode driver providing simultaneous control of both switches with two sets of floating-gate MOSFET drivers. Drive levels are adjustable with a single amplifier connected across the high-side switch. A FREQ pin sets the switching frequency for each driver over a range of 100 kHz to 600 kHz.

The SHDN pin can be used to shut down the entire device, and the LOCK pin can be used to lock the device in a Normal operation mode or a Shutdown mode. For reversed connection of the current sense pins, the MAX1962EEP+ features an internalSense connector that reverses the current sense connections.

External compensation allows for quick tuning over a wide range of operating conditions. The currentmode control architecture offers fast transient response and line and load regulation. Internal protection features include undervoltage lockout (UVLO), cycle-by-cycle current limit, and crossconduction protection. The MAX1962EEP+ can be operated in either continuous conduction mode (CCM) or discontinuous conduction mode (DCM).

The MAX1962EEP+ is ideal for applications requiring low component counts, high efficiency, low component stress, and quick implementation of external compensation. It is ideally suited for products with stringent regulatory requirements, such as automotive interior lighting and industrial systems.

In summary, the MAX1962EEP+ is a high-efficiency, high-frequency switching controller for dc-to-dc conversion in step-up and/or step-down configuration. Using advanced protection features and easy implementation of external compensation, the MAX1962EEP+ provides high levels of system reliability and performance for the most stringent application needs.

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