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| 型号： | SG6932DZ |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/20页 |
| 文件大小： | 919K |
| 描述： | IC PFC CONTROLLER CCM 16DIP |
| 标准包装： | 30 |
| 模式： | 连续导电（CCM） |
| 频率 - 开关： | 65kHz |
| 电流 - 启动： | 10µA |
| 电源电压： | 14 V ~ 20 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 16-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 16-DIP |
| 包装： | 管件 |
May 2008
?2007 Fairchild Semiconductor Corporation
www.fairchildsemi.com
SG6932 " Rev. 1.1.3
SG6932
PFC / Forward PWM Controller
Features
Interleaved PFC/PWM Switching
Low Operating Current
Innovative Switching-Charge Multiplier-divider
Multi-vector Control for Improved PFC Output
Transient Response
Average Current Mode for Input-current Shaping
PFC Over-voltage and Under-voltage Protections
PFC and PWM Feedback Open-loop Protection
Cycle-by-cycle Current Limiting for PFC/PWM
Slope Compensation for PWM
Selectable PWM Maximum Duty Cycle: 50%, 65%
Brownout Protection
Power-on Sequence Control and Soft-start
Applications
Switch-mode Power Supplies with Active PFC
Servo-system Power Supplies
PC-ATX Power Supplies
Description
The highly integrated SG6932 is designed for power
supplies with boost PFC and forward PWM. It requires
very few external components to achieve versatile
protections and compensation. It is available in 16-pin
DIP and SOP packages.
The
proprietary
interleave-switching
feature
synchronizes the PFC and PWM stages and reduces
switching noise. At light load, the switching frequency is
continuously decreased to reduce power consumption.
For PFC stage, the proprietary multi-vector control
scheme provides a fast transient response in a low-
bandwidth PFC loop; in which the overshoot and
undershoot of the PFC voltage are clamped. If the
feedback loop is broken, SG6932 shuts off to prevent
extra-high voltage on output.
For the forward PWM stage, the synchronized slope
compensation ensures the stability of the current loop
under continuous-conduction-mode (CCM) operation.
Hiccup operation during output overloading is
guaranteed. The soft-start and programmable maximum
duty cycle ensure safe operation.
SG6932 provides complete protection functions, such
as brownout protection and RI open/short latch off.
Ordering Information
Part
Number
Operating Temperature
Range
Package
Eco Status
Packing
Method
SG6932DZ
-40癈 to +85癈
16-pin Dual In-Line Package (DIP)
RoHS
Tube
SG6932SZ
-40癈 to +85癈
16-pin Small Outline Package (SOP)
RoHS
Tape & Reel
For Fairchilds definition of green Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html
.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SG6932SZ | 功能描述:开关变换器、稳压器与控制器 Green mode PFC/Forw PWM Controller RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| SG6961 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Power Factor Controller |
| SG6961BSTA_DBB14 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| SG6961DZ | 功能描述:功率因数校正 IC Grn Mode PFC/Forward PWM Controller RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel |
| SG6961SY | 功能描述:功率因数校正 IC Power Factor Controller RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel |
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