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CTX10-1 参数 Datasheet PDF下载

CTX10-1图片预览
型号: CTX10-1
PDF下载: 下载PDF文件 查看货源
内容描述: 1.2MHz的/采用ThinSOT封装的2.2MHz的输出DC / DC转换器 [1.2MHz/2.2MHz Inverting DC/DC Converters in ThinSOT]
分类和应用: 转换器电感器射频感应器
文件页数/大小: 12 页 / 426 K
品牌: Linear [ Linear ]
 浏览型号CTX10-1的Datasheet PDF文件第1页浏览型号CTX10-1的Datasheet PDF文件第2页浏览型号CTX10-1的Datasheet PDF文件第4页浏览型号CTX10-1的Datasheet PDF文件第5页浏览型号CTX10-1的Datasheet PDF文件第6页浏览型号CTX10-1的Datasheet PDF文件第7页浏览型号CTX10-1的Datasheet PDF文件第8页浏览型号CTX10-1的Datasheet PDF文件第9页  
LT1931/LT1931A  
U W  
TYPICAL PERFOR A CE CHARACTERISTICS  
Quiescent Current  
Feedback Pin Voltage  
Shutdown Pin Current  
–1.28  
–1.27  
–1.26  
–1.25  
–1.24  
–1.23  
–1.22  
7.0  
6.5  
6.0  
5.5  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
NOT SWITCHING  
T
= 25°C  
A
LT1931A  
LT1931A  
LT1931  
50  
5.0  
4.5  
LT1931  
4.0  
3.5  
3.0  
–10  
–50  
0
25  
50  
75  
100  
–25  
–25  
0
–50  
75  
100  
25  
0
1
3
4
5
6
2
TEMPERATURE (°C)  
SHDN PIN VOLTAGE (V)  
TEMPERATURE (°C)  
1931 G02  
1931 G01  
1931 G03  
Current Limit  
Switch Saturation Voltage  
Oscillator Frequency  
0.45  
0.40  
0.35  
0.30  
0.25  
0.20  
0.15  
0.10  
0.05  
2.5  
2.3  
2.1  
1.9  
1.7  
1.5  
1.3  
1.1  
0.9  
0.7  
0.5  
1.6  
1.4  
1.2  
1.0  
0.8  
0.6  
0.4  
0.2  
0
T
= 25°C  
T
= 25°C  
A
A
LT1931A  
LT1931  
0
–50  
–25  
25  
50  
75  
100  
0
50 60  
0
0.2  
0.4  
0.6  
1.2  
10 20 30 40  
70 80 90  
0.8  
1.0  
TEMPERATURE (°C)  
SWITCH CURRENT (A)  
DUTY CYCLE (%)  
1931 G06  
1931 G04  
1931 G05  
U
U
U
PI FU CTIO S  
SW (Pin 1): Switch Pin. Connect inductor/diode here.  
| VOUT | 1.255  
For LT1931A: R1=  
Minimize trace area at this pin to keep EMI down.  
1.255  
+ 8 10–6  
(
)
R2  
GND (Pin 2): Ground. Tie directly to local ground plane.  
SHDN(Pin4):ShutdownPin.Tieto2.4Vormoretoenable  
NFB (Pin 3): Feedback Pin. Reference voltage is –1.255V.  
Connect resistive divider tap here. Minimize trace area.  
The NFB bias current flows out of the pin. Set R1 and R2  
according to:  
device. Ground to shut down.  
VIN (Pin 5): Input Supply Pin. Must be locally bypassed.  
| VOUT | 1.255  
For LT1931: R1=  
1.255  
+ 4 10–6  
(
)
R2  
1931fa  
3
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