L5972D013TR

STMICROELECTRONICS  L5972D013TR  直流-直流开关降压逐步递减稳压器, 可调, 4.4V-36V输入, 1.235V-35V输出, 2A输出, SOIC-8

The is a step-down monolithic power Switching Regulator with a minimum switch current limit of 2A so it is able to deliver more than 1.5A DC current to the load depending on the application conditions. The output voltage can be set from 1.235 to 35V. The device uses an internal P-channel D-MOS transistor with a typical Rdson of 250mR as switching element to minimize the size of the external components. An internal oscillator fixes the switching frequency at 250kHz. Having a minimum input voltage of 4.4V only, it is particularly suitable for 5V bus. Pulse by pulse current limit with the internal frequency modulation offers an effective constant current short-circuit protection.

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Thermal shutdown

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Protection against feedback disconnection

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Zero load current operation

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Voltage feed-forward

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Internal current limiting

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100% Duty cycle low dropout operation