参数资料
| 型号： | LT1521IST-5#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 6/16页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V .3A SOT223-3 |
| 产品培训模块： | More Information on LDOs |
| 标准包装： | 78 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 5V |
| 输入电压： | 最高 20V |
| 电压 - 压降（标准）： | 0.5V @ 300mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 300mA |
| 电流 - 限制（最小）： | 320mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-261-4，TO-261AA |
| 供应商设备封装： | SOT-223 |
| 包装： | 管件 |
| 产品目录页面： | 1327 (CN2011-ZH PDF) |
LT1521/LT1521-3
LT1521-3.3/LT1521-5
TYPICAL PERFOR M A N CE CHARACTERISTICS
8
LT1521-3
Ground Pin Current
1000
LT1521-3.3
Ground Pin Current
8
LT1521-3.3
Ground Pin Current
7
6
5
4
3
2
T J = 25 ° C
*FOR V OUT = 3V
R LOAD = 10 ?
I LOAD = 300mA*
R LOAD = 20 ?
I LOAD = 150mA*
900
800
700
600
500
400
300
T J = 25 ° C
*FOR V OUT = 3.3V
R LOAD = 66 ?
I LOAD = 50mA*
R LOAD = 132 ?
I LOAD = 25mA*
R LOAD = 330 ?
I LOAD = 10mA*
7
6
5
4
3
2
T J = 25 ° C
*FOR V OUT = 3.3V
R LOAD = 11 ?
I LOAD = 300mA*
R LOAD = 22 ?
I LOAD = 150mA*
1
0
0
1
2
3
4
5
R LOAD = 30 ?
I LOAD = 100mA*
6 7 8 9
10
200
100
0
0
1
2
3
R LOAD = 3.3k
I LOAD = 1mA*
4 5 6
7
8
9
10
1
0
0
1
2
3
4
R LOAD = 33 ?
I LOAD = 100mA*
5 6 7 8
9
10
INPUT VOLTAGE (V)
LT1521-5
Ground Pin Current
LT1521 ? TPC13
INPUT VOLTAGE (V)
LT1521-5
Ground Pin Current
LT1521 ? TPC14
INPUT VOLTAGE (V)
LT1521
Ground Pin Current
LT1521 ? TPC15
1000
900
800
700
T J = 25 ° C
*FOR V OUT = 5V
R LOAD = 100 ?
I LOAD = 50mA*
8
7
6
T J = 25 ° C
*FOR V OUT = 5V
R LOAD = 16.7 ?
I LOAD = 300mA*
1000
900
800
700
T J = 25 ° C
V OUT = V ADJ
*FOR V OUT = 3.75V
R LOAD = 75 ?
I LOAD = 50mA*
600
500
R LOAD = 200 ?
I LOAD = 25mA*
5
4
600
500
R LOAD = 150 ?
I LOAD = 25mA*
400
300
R LOAD = 500 ?
I LOAD = 10mA*
3
2
R LOAD = 33.3 ?
I LOAD = 150mA*
400
300
R LOAD = 375 ?
I LOAD = 10mA*
200
100
0
0
1
2
3
4
5
6
R LOAD = 5k
I LOAD = 1mA*
7 8 9
10
1
0
0
1
2
3
R LOAD = 50 ?
I LOAD = 100mA*
4 5 6 7
8
9
10
200
100
0
0
1
2
3
4
5
6
R LOAD = 3.8k
I LOAD = 1mA*
7 8 9
10
INPUT VOLTAGE (V)
LT1521
Ground Pin Current
LT1521 ? TPC16
INPUT VOLTAGE (V)
Ground Pin Current
LT1521 ? TPC17
INPUT VOLTAGE (V)
Shutdown Pin Threshold
(On-to-Off)
LT1521 ? TPC18
8
7
6
5
4
3
2
T J = 25 ° C
V OUT = V ADJ
*FOR V OUT = 3.75V
R LOAD = 12.5 ?
I LOAD =300mA*
R LOAD = 25 ?
I LOAD =150mA*
10
9
8
7
6
5
4
3
V IN = 3V (LT1521-3)
V IN = 3.3V (LT1521-3.3)
V IN = 5V (LT1521-5)
V IN = 3.75V (LT1521)
DEVICE IS OPERATING
IN DROPOUT
T J = 25 ° C
T J = 125 ° C
T J = 55 ° C
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
I LOAD = 1mA
2
0.4
1
0
0
1
2
3
4
R LOAD = 37.5 ?
I LOAD =100mA*
5 6 7 8
9
10
1
0
0
50
100
150 200
250
300
0.2
0
–50 –25
0
25
50
75
100
125
INPUT VOLTAGE (V)
LT1521 ? TPC19
OUTPUT CURRENT (mA)
LT1521 ? TPC20
TEMPERATURE ( ° C)
LT1521 ? TPC21
1521335fb
6
相关PDF资料 |
PDF描述 |
|---|---|
| GCM31DTBI | CONN EDGECARD 62POS R/A .156 SLD |
| 200USG1000MEFCSN25X35 | CAP ALUM 1000UF 200V 20% SNAP-IN |
| EYM43DRSS | CONN EDGECARD 86POS DIP .156 SLD |
| LT1118CST-5#PBF | IC REG LDO 5V .8A SOT223 |
| GCM31DTAI | CONN EDGECARD 62POS R/A .156 SLD |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1524 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Regulating Pulse Width Modulator |
| LT-1524-720-125N | 制造商:Carling Technologies 功能描述:LT-SERIES TOGGLE SWITCH - Bulk |
| LT1524J | 制造商:LINER 制造商全称:Linear Technology 功能描述:Regulating Pulse Width Modulator |
| LT1525 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Regulating Pulse Width Modulators |
| LT-1525-450-012 | 制造商:Carling Technologies 功能描述:LT-SERIES TOGGLE SWITCH - Bulk |
发布紧急采购，3分钟左右您将得到回复。