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TPS54260DGQR 参数 Datasheet PDF下载

TPS54260DGQR图片预览
型号: TPS54260DGQR
PDF下载: 下载PDF文件 查看货源
内容描述: 3.5V至60V输入, 2.5A降压转换器具有Eco-Mode ™ [3.5V to 60V INPUT, 2.5A, STEP DOWN CONVERTER WITH ECO-MODE™]
分类和应用: 转换器输入元件
文件页数/大小: 47 页 / 1694 K
品牌: TI [ TEXAS INSTRUMENTS ]
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TPS54260  
www.ti.com  
SLVSA86 MARCH 2010  
TYPICAL CHARACTERISTICS  
ON RESISTANCE vs JUNCTION TEMPERATURE  
VOLTAGE REFERENCE vs JUNCTION TEMPERATURE  
0.816  
0.808  
0.800  
500  
375  
250  
VI = 12 V  
VI = 12 V  
BOOT-PH = 3 V  
BOOT-PH = 6 V  
0.792  
0.784  
125  
0
-50  
-25  
0
25  
50  
75  
100  
125  
150  
-50  
-25  
0
25  
50  
75  
100  
125  
150  
TJ - Junction Temperature - °C  
TJ - Junction Temperature - °C  
Figure 1.  
Figure 2.  
SWITCH CURRENT LIMIT vs JUNCTION TEMPERATURE  
SWITCHING FREQUENCY vs JUNCTION TEMPERATURE  
7.0  
610  
VI = 12 V,  
VI = 12 V  
RT = 200 kW  
600  
6.5  
6.0  
5.5  
5.0  
590  
580  
570  
560  
550  
-50  
-25  
0
25  
50  
75  
100  
125  
150  
-50  
-25  
0
25  
50  
75  
100  
125  
150  
TJ - Junction Temperature - °C  
TJ - Junction Temperature - °C  
Figure 3.  
Figure 4.  
SWITCHING FREQUENCY vs RT/CLK RESISTANCE HIGH  
FREQUENCY RANGE  
SWITCHING FREQUENCY vs RT/CLK RESISTANCE LOW  
FREQUENCY RANGE  
2500  
500  
VI = 12 V,  
TJ = 25°C  
VI = 12 V,  
400  
2000  
1500  
1000  
TJ = 25°C  
300  
200  
100  
0
500  
0
0
25  
50  
75  
100  
125  
150  
175  
200  
200  
300 400  
500  
600 700  
800  
900 1000 1100 1200  
RT/CLK - Resistance - kW  
RT/CLK - Resistance - kW  
Figure 5.  
Figure 6.  
Copyright © 2010, Texas Instruments Incorporated  
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Product Folder Link(s): TPS54260  
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