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LT8685S PDF预览

LT8685S

更新时间: 2023-12-20 18:44:00
品牌 Logo 应用领域
亚德诺 - ADI 稳压器
页数 文件大小 规格书
24页 1890K
描述
42V 四通道、可联合、同步、单片式降压型稳压器

LT8685S 数据手册

 浏览型号LT8685S的Datasheet PDF文件第2页浏览型号LT8685S的Datasheet PDF文件第3页浏览型号LT8685S的Datasheet PDF文件第4页浏览型号LT8685S的Datasheet PDF文件第6页浏览型号LT8685S的Datasheet PDF文件第7页浏览型号LT8685S的Datasheet PDF文件第8页 
LT8685S  
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C. VIN1 = VIN2 = 12V, VIN3 = VIN4 = 3.3V,  
fSW = 2MHz unless otherwise noted.  
HV Channel Efficiency vs Load  
HV Channel Efficiency vs Load  
VOUT = 5V, Pulse Skip Mode  
LV Channel Efficiency vs Load  
VOUT = 1.8V, Burst Mode Operation  
VOUT = 5V, Burst Mode® Operation  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
P
P
= 12V  
P
= 12V  
P
P
= 3.3V  
VIN  
VIN  
VIN  
VIN  
VIN  
VIN  
= 24V  
P
= 24V  
= 5V  
0.001  
0.01  
0.1  
1
3
0.0  
0.5  
1.0  
1.5  
2.0  
2.5  
0.001  
0.01  
0.1  
1
4
LOAD CURRENT (A)  
LOAD CURRENT (A)  
LOAD CURRENT (A)  
8685S G01  
8685S G02  
8685S G03  
HV Channel Efficiency vs  
Frequency VOUT = 5V, Burst Mode  
Operation  
LV Channel Efficiency vs  
Frequency VOUT = 1.8V, Burst  
Mode Operation  
LV Channel Efficiency vs Load  
OUT = 1.8V, Pulse Skip Mode  
V
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
100  
95  
90  
85  
80  
75  
70  
100  
95  
90  
85  
80  
75  
70  
I
= 1.25A  
I
= 2A  
LOAD  
LOAD  
P
= 3.3V  
= 5V  
VIN  
VIN  
P
0.0  
1.0  
2.0  
3.0  
4
0.5  
1
1.5  
2
2.5  
3
0.5  
1
1.5  
2
2.5  
3
LOAD CURRENT (A)  
SWITCHING FREQUENCY (MHz)  
SWITCHING FREQUENCY (MHz)  
8685S G04  
8685S G05  
8685S G06  
HV Channel Efficiency vs Load  
CH1 and CH2 Shared VOUT = 5V,  
Burst Mode Operation  
LV Channel Efficiency vs Load  
No-Load Supply Current vs  
Temperature, Burst Mode Operation  
CH3 and CH4 Shared VOUT = 1.8V,  
Burst Mode Operation  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
60  
50  
40  
30  
20  
10  
0
V
V
V
V
= 5V  
OUT1  
OUT2  
OUT3  
OUT4  
= 3.3V  
= 1.8V  
= 1.2V  
P
P
= 12V  
= 24V  
P
P
= 3.3V  
= 5V  
VIN  
VIN  
VIN  
VIN  
0.001  
0.01  
0.1  
1
5
0.001  
0.01  
0.1  
1
8
–50  
0
50  
100  
150  
LOAD CURRENT (A)  
LOAD CURRENT (A)  
TEMPERATURE (°C)  
8685S G07  
8685S G08  
8685S G09  
Rev. 0  
5
For more information www.analog.com  

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