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TDA4605-3 PDF预览

TDA4605-3

更新时间: 2024-01-25 03:00:17
品牌 Logo 应用领域
英飞凌 - INFINEON 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
20页 558K
描述
Control IC for Switched-Mode Power Supplies using MOS-Transistor

TDA4605-3 技术参数

生命周期:Transferred包装说明:,
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.64
Is Samacsys:N模拟集成电路 - 其他类型:SWITCHING CONTROLLER
控制模式:VOLTAGE-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:15.5 V最小输入电压:7.5 V
JESD-30 代码:R-PDIP-T8功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-20 °C最大输出电流:1.5 A
标称输出电压:3 V封装主体材料:PLASTIC/EPOXY
封装形状:RECTANGULAR封装形式:IN-LINE
认证状态:Not Qualified最大供电电流 (Isup):14 mA
表面贴装:NO切换器配置:SINGLE
最大切换频率:40 kHz技术:BIPOLAR
温度等级:OTHER端子形式:THROUGH-HOLE
端子位置:DUALBase Number Matches:1

TDA4605-3 数据手册

 浏览型号TDA4605-3的Datasheet PDF文件第2页浏览型号TDA4605-3的Datasheet PDF文件第3页浏览型号TDA4605-3的Datasheet PDF文件第4页浏览型号TDA4605-3的Datasheet PDF文件第5页浏览型号TDA4605-3的Datasheet PDF文件第6页浏览型号TDA4605-3的Datasheet PDF文件第7页 
Control IC for Switched-Mode Power Supplies  
using MOS-Transistor  
TDA 4605-3  
Bipolar IC  
Features  
Fold-back characteristics provides overload protection for  
external components  
Burst operation under secondary short-circuit condition  
implemented  
Protection against open or a short of the control loop  
Switch-off if line voltage is too low (undervoltage switch-off)  
Line voltage depending compensation of fold-back point  
Soft-start for quiet start-up without noise generated by the  
transformer  
P-DIP-8-1  
Chip-over temperature protection implemented (thermal  
shutdown)  
On-chip ringing suppression circuit against parasitic  
oscillations of the transformer  
AGC-voltage reduction at low load  
Type  
Ordering Code  
Package  
TDA 4605-3  
Q67000-A5066  
P-DIP-8-1  
The IC TDA 4605-3 controls the MOS-power transistor and performs all necessary control and  
protection functions in free running flyback converters. Because of the fact that a wide load range  
is achieved, this IC is applicable for consumer as well as industrial power supplies.  
The serial circuit and primary winding of the flyback transformer are connected in series to the input  
voltage. During the switch-on period of the transistor, energy is stored in the transformer. During the  
switch-off period the energy is fed to the load via the secondary winding. By varying switch-on time  
of the power transistor, the IC controls each portion of energy transferred to the secondary side  
such that the output voltage remains nearly independent of load variations. The required control  
information is taken from the input voltage during the switch-on period and from a regulation winding  
during the switch-off period. A new cycle will start if the transformer has transferred the stored  
energy completely into the load.  
Semiconductor Group  
74  
06.94  

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