Product category: Power Supply ICs and Controllers
News Release from: Maxim Integrated Products | Subject: MAX8737
Edited by the Electronicstalk Editorial Team on 27 May 2005
Linear controller has two strings to its
bow
The MAX8737 is a dual high-power linear-regulator controller used with external N-channel MOSFETs to generate two independent low-voltage supplies for notebook computers.
New from Maxim Integrated Products, the MAX8737 is a dual high-power linear-regulator controller used with external N-channel MOSFETs to generate two independent low-voltage supplies for notebook computers The regulator delivers low output voltages from 0.5 to 2.5V, and the external MOSFETs allow scalable current design with highly regulated (1%) loads up to 5A
This article was originally published on Electronicstalk on 27 Aug 2002 at 8.00am (UK)
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The MAX8737 operates from a low input voltage, which also reduces the power dissipation in the external N-channel MOSFETs.
An external resistive divider is used to fold back the current limit, thereby reducing the overall power dissipation.
An output undervoltage timeout is included for low-cost applications that omit the current-sense resistor.
The linear regulator features an adjustable soft-start function, and generates a delayed power-good signal that indicates when the MAX8737 is in regulation.
Current and thermal limits prevent damage to the device.
The MAX8737 is screened for the extended-industrial temperature range (-40to +85C), and is available in a small, 16-pin, 4 x 4mm TQFN package.
Pricing starts at $1.29 (1000-up, FOB USA).
A pre-assembled MAX8737EVKIT with recommended external components is available to reduce design time.
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