Product category: Power Supply ICs and Controllers
News Release from: Maxim Integrated Products | Subject: MAX8727
Edited by the Electronicstalk Editorial Team on 16 March 2005
Convertor boosts for active matrix LCDs
The MAX8727 is a boost convertor that provides the high-voltage analogue supply for dot inversion active matrix LCD (AMLCD) supplies
New from Maxim Integrated Products, the MAX8727 is a boost convertor that provides the high-voltage analogue supply for dot inversion active matrix LCD (AMLCD) supplies. High-performance current mode, fixed frequency, pulsewidth-modulation circuitry with built-in N-channel MOSFET provides a highly efficient regulator with fast response.
This article was originally published on Electronicstalk on 16 March 2005 at 8.00am (UK)
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High switching frequency allows easy filtering and faster loop performance.
An external compensation pin provides flexibility in determining loop dynamics.
As a result designers can now use small, low-ESR ceramic capacitors.
Soft-start is programmed with an external capacitor, which sets the input-current ramp rate.
The MAX8727 is available in a space-saving 10-pin TDFN package and operates from -40 to +85C.
Prices for the MAX8727 DC/DC convertor start at $2.94 (1000-up, FOB USA).
To reduce design time, a pre-assembled MAX8727 evaluation kit is available with recommended external components.
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