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首页 > 产品中心 > LED驱动电路 > AC/DC转换型高压LED驱动芯片 > PWM控制功率转换器 >CXAC85158 CXAC85158B CXAC85158E电流模式电源开关极低的待机功耗<75mW正常工作时PWM开关频率是内部固定开机软启动控制自动恢复功能VDD欠压锁定UVLO
CXAC85158 CXAC85158B CXAC85158E电流模式电源开关极低的待机功耗&lt;75mW正常工作时PWM开关频率是内部固定开机软启动控制自动恢复功能VDD欠压锁定UVLO
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CXAC85158B CXAC85158E是一种电流模式电源开关,具有极低的待机功耗(<75mW)。正常工作时的PWM开关频率是内部固定的。在空载或轻载条件下,它以打嗝模式工作,以最小化开关损耗。从而实现了较低的待机功率和较高的转换效率。
CXAC85158 CXAC85158B CXAC85158E提供开机软启动控制和丰富的保护范围,具有自动恢复功能,包括VDD欠压锁定(UVLO)、VDD过压保护(OVP)、逐周限流(OCP)、过载保护(OLP)、过温保护(OTP)。使用CXAC85158 CXAC85158B CXAC85158E专有频率干扰技术可获得优异的电磁干扰性能。将22KHZ以下的频率降至最低,以避免在操作过程中听到噪音。
超低待机(<75mW)
开机软启动
频率扩展以最小化电磁干扰
无噪音操作
固定50KHz开关频率
综合保护
带滞后的VDD欠压锁定(UVLO)
逐周期过电流保护(OCP)
带自动恢复的过载保护(OLP)
过热保护(OTP)
VDD过电压保护(OVP)

CXAC85158 CXAC85158B  CXAC85158E电流模式电源开关极低的待机功耗<75mW正常工作时PWM开关频率是内部固定开机软启动控制自动恢复功能VDD欠压锁定UVLO
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1.产品概述       2.产品特点     X7h嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)X7h嘉泰姆

5.产品封装       6.电路原理图  X7h嘉泰姆

7.相关产品X7h嘉泰姆

   产品概述 返回TOPX7h嘉泰姆


  CXAC85158  CXAC85158B  CXAC85158E is a current Mode power switch, exhibit extra low standby power consumption (<75mW). PWM switching frenquency at normal operation is internally fixed. At no load or light load condition, It operates in hiccup mode to minimize switching loss. Lower standby power and higher conversion efficiency is thus achieved. 

  CXAC85158  CXAC85158B  CXAC85158E offers power on soft start control and rich protection coverage with auto-recovery features including VDD under voltage lockout (UVLO), VDD over voltage protection (OVP), Cycle-by-Cycle current limiting (OCP), over load protection (OLP), over temperature protection (OTP). Excellent EMI performance is achieved with CXAC85158  CXAC85158B  CXAC85158E proprietary frequency hiccup technique. The frequency at below 22KHZ is minimized to avoid audible noise during operation.X7h嘉泰姆

CXAC85158  CXAC85158B  CXAC85158E is offered in DIP-8L package.X7h嘉泰姆

   产品特点 返回TOPX7h嘉泰姆


   Extra Low Standby (<75mW)X7h嘉泰姆

 Power on Soft StartupX7h嘉泰姆

 Frequency spreading to Minimize EMIX7h嘉泰姆

 Audible Noise Free OperationX7h嘉泰姆

 Fixed 50KHz Switching FrequencyX7h嘉泰姆

 Comprehensive ProtectionX7h嘉泰姆

VDD Under Voltage Lockout with Hysteresis (UVLO)X7h嘉泰姆

Cycle-by-cycle Over Current Protection (OCP)X7h嘉泰姆

Overload Protection (OLP) with Auto-recoveryX7h嘉泰姆

Over Temperature Protection (OTP)X7h嘉泰姆

VDD Over Voltage Protection (OVP)X7h嘉泰姆

   应用范围 返回TOPX7h嘉泰姆


Offline AC/DC Flyback Converter ForX7h嘉泰姆

 AC/DC AdapterX7h嘉泰姆

 PDA Power SuppliesX7h嘉泰姆

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 Open-frame SMPSX7h嘉泰姆

   技术规格书(产品PDF) 返回TOP X7h嘉泰姆


     需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持!X7h嘉泰姆

 QQ截图20160419174301.jpgX7h嘉泰姆

产品封装图 返回TOPX7h嘉泰姆


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电路原理图 返回TOPX7h嘉泰姆


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