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STEVAL-ISA053V2 数据表(PDF) 1 Page - STMicroelectronics |
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STEVAL-ISA053V2 数据表(HTML) 1 Page - STMicroelectronics |
1 / 4 page Data Brief For further information contact your local STMicroelectronics sales office. June 2008 Rev 1 1/4 4 STEVAL-ISA053V2 Demonstration board for the PM6680A dual synchronous step-down controller with adjustable output voltages plus LDO Features ■ Constant on-time control allows very fast load transients ■ 6 V to 36 V input voltage range ■ 5 V auxiliary output voltage ■ Adjustable switching outputs ■ Lossless current sensing ■ Negative current limit ■ Soft-start internally fixed at 2.8 ms ■ Soft-end for output discharge ■ 200 kHz / 300 kHz, 300 kHz / 400 kHz, 400 kHz / 500 kHz (OUT1 / OUT2 selectable switching frequency) ■ Selectable pulse skip and no-audible skip modes at light loads ■ Independent power good signals Description The PM6680A is a dual step-down controller with adjustable output voltages. This demonstration board is designed to test the performance of the PM6680A by employing a typical application circuit which allows testing of all the PM6680A device functions. The kit features two switching sections, with (typically) 3.3 V and 1.8 V outputs, from a 6 V to 36 V input voltage. The typical operating switching frequency of the two switching sections is 200 kHz / 300 kHz, respectively. Each switching section delivers more than 2.5 A of output current. Moreover, an internal linear regulator can provide 5 V @ 100 mA peak current. STEVAL-ISA053V2 www.st.com |
类似零件编号 - STEVAL-ISA053V2 |
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类似说明 - STEVAL-ISA053V2 |
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