参数资料
型号: L6599ATDTR
厂商: STMICROELECTRONICS
元件分类: 稳压器
英文描述: SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
封装: SOP-16
文件页数: 9/31页
文件大小: 861K
代理商: L6599ATDTR
L6599AT
Application information
Doc ID 15534 Rev 3
17/31
no-load consumption of this stage (0.5 1 W). There is no compliance issue because EMC
regulations on low-frequency harmonic emissions refer to nominal load, so no limit is
imposed when the converter operates with light or no load.
To do so, the L6599AT provides pin 9 (PFC_STOP): it is an open collector output, normally
open, that is asserted low when the IC is idle during burst-mode operation. This signal is
externally used for switching off the PFC controller and the pre-regulator as shown in
. When the L6599AT is in UVLO the pin is kept open, to let the PFC controller start
first
Figure 8.
Load-dependent operating modes: timing diagram
Figure 9.
How the L6599AT can switch off a PFC controller at light load
相关PDF资料
PDF描述
L6599D 0.8 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
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相关代理商/技术参数
参数描述
L6599ATN 制造商:STMicroelectronics 功能描述:
L6599D 功能描述:软开关 PWM 控制器 Hi Vltg resonant Controller RoHS:否 制造商:Fairchild Semiconductor 输出端数量: 输出电流: 开关频率: 工作电源电压:30 V 电源电流: 最大工作温度:+ 105 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel
L6599DTR 功能描述:软开关 PWM 控制器 Hi Vltg resonant Controller RoHS:否 制造商:Fairchild Semiconductor 输出端数量: 输出电流: 开关频率: 工作电源电压:30 V 电源电流: 最大工作温度:+ 105 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel
L6599N 功能描述:软开关 PWM 控制器 Hi Vltg resonant Controller RoHS:否 制造商:Fairchild Semiconductor 输出端数量: 输出电流: 开关频率: 工作电源电压:30 V 电源电流: 最大工作温度:+ 105 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel
L6599NR 功能描述:电压模式 PWM 控制器 HV resonant CNTRL RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel