東瑞電子股份有限公司 
商品專區
電子零件 / RICOH / Power Management ICs
製造商型號:
R1275
製造商:
RICOH
產品訊息:
DC/DC<Step-Down>
封裝方式:
HSOP-18
包装方式:
REEL
單次最小訂購量(PCS):
1
庫存數:
0
發貨天數:
訂購數量:
單價:

The R1275 is a 36-V synchronous step-down DC/DC converter with built-in drivers. It is designed for industrial equipment, OA equipment and home electronics that require a 24-V input.
It operates at a 2-MHz switching frequency, which allows to use a small inductor to ensure a high transient response and to maintain a high efficiency at heavy load condition. Using a spread spectrum clock generator, the EMI noise can be reduced.
Under cranking condition, the switching frequency is automatically reduced to keep output voltage level constant.

  • Provides a high switching frequency at 2 MHz with an efficiency of 87%.
  • Maintains the output voltage constant by reducing a switching frequency to the minimum 1/4 when an input-output voltage difference is small.
  • Achieves the EMI noise reduction by using a spread spectrum clock generator. (Diffusion Rate: +8%).
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