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LTC7103-1 PDF预览

LTC7103-1

更新时间: 2023-12-20 18:46:34
品牌 Logo 应用领域
亚德诺 - ADI 稳压器
页数 文件大小 规格书
38页 2189K
描述
具有快速电流编程功能的105V、2.3A低EMI同步降压稳压器

LTC7103-1 数据手册

 浏览型号LTC7103-1的Datasheet PDF文件第4页浏览型号LTC7103-1的Datasheet PDF文件第5页浏览型号LTC7103-1的Datasheet PDF文件第6页浏览型号LTC7103-1的Datasheet PDF文件第8页浏览型号LTC7103-1的Datasheet PDF文件第9页浏览型号LTC7103-1的Datasheet PDF文件第10页 
LTC7103-1  
TYPICAL PERFORMANCE CHARACTERISTICS  
TA = 25°C, unless otherwise noted.  
Top and Bottom Switch  
Minimum On-Time vs  
Temperature  
Oscillator Frequency vs  
Temperature  
Resistance vs Temperature  
550  
500  
450  
400  
350  
300  
250  
200  
150  
100  
50  
55  
50  
45  
40  
35  
30  
3
2
FREQ = GND (300kHz)  
FREQ = 12.5k (200kHz)  
FREQ = 57.5k (2MHz)  
FREQ = INTV (1MHz)  
CC  
1
TOP SWITCH  
0
–1  
–2  
–3  
BOTTOM SWITCH  
–55 –25  
5
35  
65  
95 125 155  
–55 –25  
5
35  
65  
95 125 155  
–55 –25  
5
35  
65  
95 125 155  
TEMPERATURE (°C)  
TEMPERATURE (°C)  
TEMPERATURE (°C)  
71031 G19  
71031 G20  
71031 G21  
Quiescent Input Current vs Input  
Voltage  
VIN Quiescent Current vs  
Temperature  
Inductor Current at Light Load  
35  
30  
25  
20  
15  
10  
5
10  
8
V
= 100V  
IN  
SLEEP, EXTV = GND  
CC  
EXTV = GND  
FORCED  
CONTINUOUS  
MODE  
CC  
6
BURST MODE  
1A/DIV  
4
PULSE-  
SKIPPING  
MODE  
SLEEP  
2
71031 G24  
10µs/DIV  
SHUTDOWN  
V
I
= 48V  
= 200µA  
IN  
SHUTDOWN  
LOAD  
0
0
FIGURE 14 CIRCUIT  
–55 –25  
5
35  
65  
95 125 155  
0
15  
30  
45  
60  
75  
90 105  
TEMPERATURE (°C)  
V
VOLTAGE (V)  
IN  
71031 G23  
71031 G22  
Load Step Forced Continuous  
Mode  
Load Step Burst Mode Operation  
Load Step Pulse-Skipping Mode  
V
V
V
OUT  
OUT  
OUT  
100mV/DIV  
100mV/DIV  
100mV/DIV  
I
I
L
L
I
L
1A/DIV  
1A/DIV  
1A/DIV  
71031 G27  
71031 G25  
71031 G26  
40µs/DIV  
40µs/DIV  
40µs/DIV  
LOAD STEP = 50mA TO 1A  
LOAD STEP = 50mA TO 1A  
IN  
FIGURE 14 CIRCUIT  
LOAD STEP = 50mA TO 1A  
IN  
FIGURE 14 CIRCUIT  
V
= 48V  
V
= 48V  
V
= 48V  
IN  
FIGURE 14 CIRCUIT  
Rev. 0  
7
For more information www.analog.com  

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