参数资料
| 型号： | LT1085CT-3.3#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 3.3V 3A TO-220-3 |
| 产品培训模块： | More Information on LDOs |
| 标准包装： | 50 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 3.3V |
| 输入电压： | 最高 25V |
| 电压 - 压降（标准）： | 1.3V @ 3A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 3A |
| 电流 - 限制（最小）： | 3.2A |
| 工作温度： | 0°C ~ 150°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-220-3 |
| 供应商设备封装： | TO-220-3 |
| 包装： | 管件 |
| 产品目录页面： | 1325 (CN2011-ZH PDF) |
LT1083/LT1084/LT1085 Fixed
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25 ° C.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Output Voltage
LT1084-3.3
LT1085-3.3
LT1085-3.6
LT1085-3.6
LT1083/4/5-5
I OUT = 0mA, T J = 25 ° C, V IN = 8V (K Package Only)
4.8V ≤ V IN ≤ 15V, 0 ≤ I OUT ≤ I FULLOAD (Notes 3, 4, 9)
V IN = 5V, I OUT = 0mA, T J = 25 ° C (K Package Only)
4.8V ≤ V IN ≤ 15V, 0 ≤ I OUT ≤ I FULLOAD (Notes 3, 4, 9)
V IN = 5V, I OUT = 0mA, T J = 25 ° C (K Package Only)
5V ≤ V IN ≤ 15V, 0 ≤ I OUT ≤ I FULLOAD (Note 9)
5V ≤ V IN ≤ 15V, 0 ≤ I OUT ≤ I FULLOAD , TJ ≥ 0 ° C (Notes 3, 4, 9)
5V ≤ V IN ≤ 15V, 0 ≤ I OUT ≤ 2.5A (Notes 3, 4, 9)
V IN = 4.75V, I OUT = 3A, T J ≥ 0 ° C
V IN = 4.75V, I OUT = 2.5A, T J ≥ 0 ° C
V IN = 4.75V, I OUT = 1.5A, T J > 0 ° C
I OUT = 0mA, T J = 25 ° C, V IN = 8V (K Package Only)
0 ≤ I OUT ≤ I FULLOAD , 6.5V ≤ V IN ≤ 20V (Notes 4, 6, 7, 9)
●
●
●
●
3.270
3.235
3.270
3.235
3.564
3.500
3.528
3.528
3.350
3.450
3.528
4.950
4.900
3.300
3.300
3.300
3.300
3.600
5.000
5.000
3.330
3.365
3.330
3.365
3.636
3.672
3.672
3.672
3.672
3.672
3.672
5.050
5.100
V
V
V
V
V
V
V
V
V
V
V
V
V
LT1083/4/5-12 I OUT = 0mA, T J = 25 ° C, V IN = 15V (K Package Only)
0 ≤ I OUT ≤ I FULLOAD , 13.5V ≤ V IN ≤ 25V (Notes 4, 6, 7, 9)
11.880
11.760
12.000
12.000
12.120
12.240
V
V
Line Regulation
LT1084-3.3
LT1085-3.3
LT1085-3.6
LT1083/4/5-5
I OUT = 0mA, T J = 25 ° C, 4.8V ≤ V IN ≤ 15V
4.8V ≤ V IN ≤ 15V, I OUT = 0mA, T J = 25 ° C
4.8V ≤ V IN ≤ 15V, I OUT = 0mA, T J = 25 ° C
I OUT = 0mA, T J = 25 ° C, 6.5V ≤ V IN ≤ 20V (Notes 2, 3)
●
●
●
●
0.5
1.0
0.5
1.0
0.5
1.0
0.5
1.0
6
6
6
6
6
6
10
10
mV
mV
mV
mV
mV
mV
mV
mV
LT1083/4/5-12 I OUT = 0mA, T J = 25 ° C, 13.5V ≤ V IN ≤ 25V (Notes 2, 3)
●
1.0
2.0
25
25
mV
mV
Load Regulation
LT1084-3.3
LT1085-3.3
LT1085-3.6
LT1083/4/5-5
V IN = 5V, 0 ≤ I OUT ≤ 5A, T J = 25 ° C
V IN = 5V, 0 ≤ I OUT ≤ 3A, T J = 25 ° C
V IN = 5.25V, 0 ≤ I OUT ≤ 3A, T J = 25 ° C
V IN = 8V, 0 ≤ I OUT ≤ I FULLLOAD, T J = 25 ° C (Notes 2, 3, 4, 6)
●
●
●
●
3
7
3
7
3
7
5
10
15
20
15
20
15
20
20
35
mV
mV
mV
mV
mV
mV
mV
mV
LT1083/4/5-12 V IN = 15V, 0 ≤ I OUT ≤ I FULLLOAD, T J = 25 ° C (Notes 2, 3, 4, 6)
●
12
24
36
72
mV
mV
Dropout Voltage
LT1084/5-3.3
LT1085-3.6
LT1083/4/5-5
Δ V OUT = 33mV, I OUT = I FULL LOAD (Notes 5, 6)
Δ V OUT = 36mV, I OUT = I FULL LOAD (Notes 5, 6)
Δ V OUT = 50mV, I OUT = I FULL LOAD (Notes 5, 6)
●
●
●
1.3
1.3
1.3
1.5
1.5
1.5
V
V
V
LT1083/4/5-12 Δ V OUT = 120mV, I OUT = I FULL LOAD (Notes 5, 6)
●
1.3
1.5
V
Current Limit
LT1083-5 V IN = 10V
●
8.0
9.5
A
LT1083-12
LT1084-3.3
LT1084-5
LT1084-12
V IN = 17V
V IN = 8V
V IN = 10V
V IN = 17V
●
●
●
●
8.0
5.5
5.5
5.5
9.5
6.5
6.5
6.5
A
A
A
A
LT1085-3.3/3.6 V IN = 8V
LT1085-5 V IN = 10V
●
●
3.2
3.2
4.0
4.0
A
A
LT1085-12
V IN = 17V
●
3.2
4.0
A
1083ffd
3
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