欢迎访问ic37.com |
会员登录 免费注册
发布采购

LT1521CS8 参数 Datasheet PDF下载

LT1521CS8图片预览
型号: LT1521CS8
PDF下载: 下载PDF文件 查看货源
内容描述: 300mA低压降稳压器与微静态电流和关机 [300mA Low Dropout Regulators with Micropower Quiescent Current and Shutdown]
分类和应用: 稳压器调节器光电二极管输出元件
文件页数/大小: 16 页 / 298 K
品牌: Linear [ Linear ]
 浏览型号LT1521CS8的Datasheet PDF文件第2页浏览型号LT1521CS8的Datasheet PDF文件第3页浏览型号LT1521CS8的Datasheet PDF文件第4页浏览型号LT1521CS8的Datasheet PDF文件第5页浏览型号LT1521CS8的Datasheet PDF文件第7页浏览型号LT1521CS8的Datasheet PDF文件第8页浏览型号LT1521CS8的Datasheet PDF文件第9页浏览型号LT1521CS8的Datasheet PDF文件第10页  
LT1521/LT1521-3  
LT1521-3.3/LT1521-5  
W
U
TYPICAL PERFORMANCE CHARACTERISTICS  
LT1521-3  
Ground Pin Current  
LT1521-3.3  
Ground Pin Current  
LT1521-3.3  
Ground Pin Current  
8
7
6
5
4
3
2
1
0
8
7
6
5
4
3
2
1
0
1000  
900  
800  
700  
600  
500  
400  
300  
200  
100  
0
T
= 25°C  
T
= 25°C  
T
= 25°C  
J
J
J
*FOR V  
= 3.3V  
*FOR V  
= 3V  
*FOR V  
= 3.3V  
OUT  
OUT  
OUT  
R
= 66Ω  
LOAD  
LOAD  
I
= 50mA*  
R
= 11Ω  
= 300mA*  
R
= 10Ω  
LOAD  
= 300mA*  
LOAD  
LOAD  
I
I
LOAD  
R
I
= 132Ω  
LOAD  
= 25mA*  
LOAD  
R
I
= 20Ω  
LOAD  
= 150mA*  
R
I
= 22Ω  
= 150mA*  
LOAD  
LOAD  
R
I
= 330Ω  
LOAD  
= 10mA*  
LOAD  
LOAD  
R
I
= 3.3k  
= 1mA*  
LOAD  
LOAD  
R
I
= 30Ω  
= 100mA*  
LOAD  
LOAD  
R
I
= 33Ω  
= 100mA*  
LOAD  
LOAD  
0
1
2
3
4
5
6
7
8
9
10  
0
1
2
3
4
5
6
7
8
9
10  
0
1
2
3
4
5
6
7
8
9
10  
INPUT VOLTAGE (V)  
INPUT VOLTAGE (V)  
INPUT VOLTAGE (V)  
LT1521 • TPC14  
LT1521 • TPC13  
LT1521 • TPC15  
LT1521-5  
Ground Pin Current  
LT1521-5  
Ground Pin Current  
LT1521  
Ground Pin Current  
1000  
900  
800  
700  
600  
500  
400  
300  
200  
100  
0
8
7
6
5
4
3
2
1
0
1000  
900  
800  
700  
600  
500  
400  
300  
200  
100  
0
T
J
= 25°C  
V
OUT  
= V  
T
= 25°C  
OUT  
ADJ  
J
T
= 25°C  
J
R
= 16.7Ω  
LOAD  
LOAD  
*FOR V  
= 3.75V  
*FOR V  
= 5V  
OUT  
*FOR V  
= 5V  
R
= 100Ω  
OUT  
LOAD  
LOAD  
I
= 300mA*  
I
= 50mA*  
R
= 75Ω  
= 50mA*  
LOAD  
LOAD  
I
R
= 150Ω  
= 25mA*  
R
I
= 200Ω  
= 25mA*  
LOAD  
LOAD  
LOAD  
I
LOAD  
R
= 500Ω  
= 10mA*  
LOAD  
LOAD  
R
= 33.3Ω  
= 150mA*  
LOAD  
LOAD  
R
I
= 375Ω  
= 10mA*  
LOAD  
LOAD  
I
I
R
I
= 3.8k  
= 1mA*  
LOAD  
LOAD  
R
= 5k  
= 1mA*  
LOAD  
LOAD  
R
= 50Ω  
I
LOAD  
LOAD  
I
= 100mA*  
0
1
2
3
4
5
6
7
8
9
10  
0
1
2
3
4
5
6
7
8
9
10  
0
1
2
3
4
5
6
7
8
9
10  
INPUT VOLTAGE (V)  
INPUT VOLTAGE (V)  
INPUT VOLTAGE (V)  
LT1521 • TPC16  
LT1521 • TPC18  
LT1521 • TPC17  
LT1521  
Ground Pin Current  
Shutdown Pin Threshold  
(On-to-Off)  
Ground Pin Current  
8
7
6
5
4
3
2
1
0
2.0  
1.8  
1.6  
1.4  
1.2  
1.0  
0.8  
0.6  
0.4  
0.2  
0
10  
9
T
= 25°C  
J
V
V
V
V
= 3V (LT1521-3)  
= 3.3V (LT1521-3.3)  
= 5V (LT1521-5)  
= 3.75V (LT1521)  
IN  
IN  
IN  
IN  
I
= 1mA  
LOAD  
V
= V  
OUT  
ADJ  
*FOR V  
= 3.75V  
T
T
= 125°C  
OUT  
J
J
8
7
6
R
I
= 12.5Ω  
LOAD  
LOAD  
=300mA*  
DEVICE IS OPERATING  
IN DROPOUT  
5
4
T
= 25°C  
J
= 55°C  
R
I
= 25Ω  
=150mA*  
LOAD  
LOAD  
3
2
1
0
R
= 37.5Ω  
=100mA*  
LOAD  
LOAD  
I
0
1
2
3
4
5
6
7
8
9
10  
–50  
0
25  
50  
75 100 125  
–25  
0
50  
150  
200  
250  
300  
100  
INPUT VOLTAGE (V)  
TEMPERATURE (°C)  
OUTPUT CURRENT (mA)  
LT1521 • TPC19  
LT1521 • TPC21  
LT1521 • TPC20  
6