Employing a proprietary scheme that relies on emulated, current-mode, pulse-width modulation (PWM), the LM5005 buck regulator steps down input voltages ranging from 7V to 75V and provides a variable, regulated output from 1.225V to 65V at 2.5A. The programmable operating frequency can range from 50 kHz to 500 kHz. A unique, bi-directional oscillator synchronization pin allows multiple LM5005 regulators to self-synchronize or switch synchronously via an external clock. Additional protection features include current limit, thermal shutdown and remote shutdown. The device is available in a TSSOP-20 package with an exposed mounting pad to enhance the package’s thermal dissipation. Price is $3.25 each/1,000-unit quantities. NATIONAL SEMICONDUCTOR CORP., Santa Clara, CA. (800) 272-9959.
Company: NATIONAL SEMICONDUCTOR CORP.
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