Description
ZT1525 3A, 24V Asynchronous Step‐Down DC/DC Converter .
The ZT1525 is a constant frequency peak current‐mode step‐down switching regulator.
Features
* 4V to 24V input voltage
* Output current up to 3A
* 200kHz to 2.5MHz programmable frequency
* Precision 1V feedback voltage
* Peak current mode control
* Cycle‐by‐cycle current limiting
* Hiccup overload protection with frequency
foldback
* Soft‐start and enable
Applications
* XDSL and cable modems
* Set top boxes
* Point of load applications
* CPE equipment
* DSP power supplies
* LCD and plasma TVs
Pins Configuration
Typical Application Circuit
DS‐05; Aug. 14, 2009
‐1‐
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