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T6330A 参数 Datasheet PDF下载

T6330A图片预览
型号: T6330A
PDF下载: 下载PDF文件 查看货源
内容描述: 1A低压差稳压器 [1A Low Dropout Voltage Regulator]
分类和应用: 稳压器
文件页数/大小: 8 页 / 351 K
品牌: TMT [ TAIWAN MEMORY TECHNOLOGY ]
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TE  
tmCH  
T6330A  
Applications Information  
Like any voltage regulator, the external capacitors used for the T6330A must be carefully selected  
for regulator stability and performance. Using a capacitor whose value is > 10uF on the T6330A  
input and the amount of capacitance can be increased without limit. The input capacitor must be  
located a distance of not more than 0.5 inch from the input pin of the IC and returned to a clean  
analog ground. Any good quality ceramic or tantalum can be used for this capacitor. The capacitor  
with larger value and lower ESR (equivalent series resistance) provides better PSRR and line-  
transient response.  
The output capacitor must meet both requirements for minimum amount of capacitance and ESR in  
all voltage regulator application. The T6330A is designed specifically to work with low ESR  
ceramic output capacitor in space-saving and performance consideration. Using a ceramic capacitor  
whose value is at least 10uF with ESR is more than 20mon the T6330A output ensures stability.  
The T6330A still works well with output capacitor of other types due to the wide stable ESR range.  
Output capacitor of larger capacitance can reduce noise and improve load transient response,  
stability and PSRR.The output capacitor should be located with in 0.5 inch from the VOUT pin of  
the T6330A and returned to a clean analog ground.  
Enable Function  
The T6330A features an voltage regulator enable/disable function. To assure the T6330A voltage  
regulator will switch on, the EN turn on control level must be greater than 1.2V. The T6330A  
voltage regulator will go into shutdown mode when the voltage on the EN pin falls below 0.4V. The  
T6330A equips a quick-discharge function to protect the system. When the regulator is turned off  
by EN pin, the internal MOSFET between VOUT and GND will be turned on to discharge output  
voltage quickly. If the enable function is not needed in a specific application, it may be tied to  
GND/VIN to keep the voltage regulator in a continuously on state.  
TM Technology Inc. reserves the right  
P. 4  
Publication Date: JAN. 2008  
Revision: A  
to change products or specifications without notice.