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LTC1174 PDF预览

LTC1174

更新时间: 2022-11-30 12:09:01
品牌 Logo 应用领域
凌特 - Linear 转换器
页数 文件大小 规格书
16页 354K
描述
High Efficiency Step-Down and Inverting DC/DC Converter

LTC1174 数据手册

 浏览型号LTC1174的Datasheet PDF文件第1页浏览型号LTC1174的Datasheet PDF文件第2页浏览型号LTC1174的Datasheet PDF文件第3页浏览型号LTC1174的Datasheet PDF文件第5页浏览型号LTC1174的Datasheet PDF文件第6页浏览型号LTC1174的Datasheet PDF文件第7页 
LTC1174  
LTC1174-3.3/LTC1174-5  
U W  
TYPICAL PERFOR A CE CHARACTERISTICS  
Efficiency vs Load Current  
Efficiency vs Load Current  
Efficiency vs Load Current  
100  
95  
90  
85  
80  
75  
70  
100  
95  
90  
85  
80  
75  
70  
100  
95  
90  
85  
80  
75  
70  
V
IN  
= 6V  
V
V
IN  
= 6V  
V
IN  
= 6V  
= 9V  
V
IN  
= 9V  
IN  
V
IN  
= 9V  
L = 50µH  
L = 100µH  
L = 50µH  
V
PGM  
COIL = CTX50-4  
= 5V  
= 0V  
OUT  
V
I
= 5V  
V
I
= 5V  
OUT  
PGM  
OUT  
PGM  
I
= V  
= V  
IN  
IN  
COIL = CTX100-4  
COIL = CTX50-4  
1
10  
LOAD CURRENT (mA)  
100 200  
1
10  
100  
500  
1
10  
100 400  
LOAD CURRENT (mA)  
LOAD CURRENT (mA)  
1174 G01  
1174 G03  
1174 G02  
Efficiency vs Load Current  
Efficiency vs Load Current  
Efficiency vs Load Current  
100  
90  
80  
70  
60  
50  
100  
90  
80  
70  
60  
50  
100  
90  
80  
70  
60  
50  
V
IN  
= 5V  
V
IN  
= 5V  
V
V
IN  
= 5V  
V
= 9V  
= 9V  
V
IN  
= 9V  
IN  
IN  
L = 50µH  
L = 50µH  
L = 100µH  
V
PGM  
COIL = CTX50-4  
= 3.3V  
V
PGM  
COIL = CTX50-4  
= 3.3V  
V
= 3.3V  
OUT  
OUT  
OUT  
I
= 0V  
I
= V  
I
= V  
IN  
PGM IN  
COIL = CTX100-4  
1
10  
100  
300  
1
10  
100  
500  
1
10  
100 500  
LOAD CURRENT (mA)  
LOAD CURRENT (mA)  
LOAD CURRENT (mA)  
1174 G04  
1174 G05  
1174 G06  
Switch Leakage Current  
vs Temperature  
Line Regulation  
Efficiency vs Input Voltage  
6
4
180  
160  
140  
120  
100  
80  
95  
94  
93  
92  
91  
90  
89  
88  
87  
V
= 13.5V  
I = 100mA  
LOAD  
I = 0V  
PGM  
IN  
2
0
L = 100µH  
L = 50µH  
–2  
–4  
–6  
–8  
–10  
–12  
–14  
60  
V
I
I
= 5V  
OUT  
PGM  
LOAD  
40  
= 0V  
= 75mA  
20  
CORE = CTX (Kool Mµ®)  
0
0
4
6
8
10  
12  
14  
0
20  
40  
60  
80  
100  
2
9
5
7
10 11 12 13 14  
6
8
INPUT VOLTAGE (V)  
TEMPERATURE (°C)  
INPUT VOLTAGE (V)  
1174 G07  
1174 G08  
1174 G09  
Kool Mµ® is a registered trademark of Magnetics, Inc.  
4

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