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News
12A Ultrathin μModule Regulator Configurable as Quad, Triple, Dual or Single Output Can Be Placed on Backside of PCB
2016-10-27 | ReturnOnly eight external ceramic capacitors (1206 or smaller case sizes) and four feedback resistors (0603 case size) are required to regulate four independently adjustable outputs between 0.6V to 3.3V. Separate input pins enable powering of the four channels from different or a common supply rail(s) from 4V to 20V.
The four channels are switched 90° out-of-phase to minimize input ripple at the 1.2MHz default switching frequency or synchronized to an external clock between 850kHz and 1.5MHz. With the addition of an external bias supply above 4V, the LTM4643 can regulate from an input supply voltage as low as 2.375V. Output overvoltage, overcurrent and overtemperature fault protection are included in the regulator.
The LTM4643 is available with operation specified over the –40°C to 125°C internal temperature range. The µModule regulator is available for immediate delivery from stock, priced starting at $19.90 each for 1,000-piece quantities. For more information, visit www.linear.com/product/LTM4643.
Summary of Features: LTM4643
1. Configurable Output Array
2. 4V to 20V Input (2.375V to 20V with External Bias)
3. 0.6V to 3.3V Output Voltage
4. ±1.5% Total Output Voltage Regulation
5. 9mm x 15mm x 1.82mm LGA Package
Pricing shown is for budgetary use only and may differ due to local duties, taxes, fees and exchange rates.
Source:http://www.linear.com/