Product category: Power Supply ICs and Controllers
News Release from: Maxim Integrated Products | Subject: MAX8720
Edited by the Electronicstalk Editorial Team on 11 August 2004
Core voltage controller
is dynamically adjustable
The MAX8720 step-down controller features dynamically adjustable output, ultrafast transient response, high DC accuracy and the high efficiency required for leading-edge CPU-core power supplies
Maxim's proprietary Quick-PWM constant-on-time pulsewidth modulation (PWM) control scheme handles wide input/output voltage ratios with ease. The Quick-PWM control scheme also provides 100ns "instant-on" response to load transients, while maintaining a constant switching frequency. The MAX8720's output voltage is dynamically adjusted through the 6bit DAC over a 0.275 to 1.850V range in 25mV steps.
This article was originally published on Electronicstalk on 11 August 2004 at 8.00am (UK)
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Independent, four-level logic inputs set the suspend voltage (S0-S1).
The internal DAC is synchronised to the slew-rate clock for improved operation under the aggressive power management of newer chipsets and operating systems that can make incomplete mode transitions.
The MAX8720 is available in a 28-pin QSOP or 36-pin TQFN package, and is screened for the extended temperature range (-40 to +85C).
Prices start at $4.76 (1000-up, FOB USA).
An evaluation kit is available with recommended external components to speed designs.
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