参数资料
型号: LT3082EST#PBF
厂商: Linear Technology
文件页数: 5/20页
文件大小: 0K
描述: IC REG LDO ADJ .2A SOT223-3
产品培训模块: LT3082 - 200mA Single Resistor Low Dropout Linear Regulator
标准包装: 78
稳压器拓扑结构: 正,可调式
输出电压: 可调
输入电压: 1.2 V ~ 40 V
电压 - 压降(标准): 1.3V @ 200mA
稳压器数量: 1
电流 - 输出: 200mA(最小值)
电流 - 限制(最小): 200mA
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: 1331 (CN2011-ZH PDF)
LT3082
TYPICAL PERFORMANCE CHARACTERISTICS
1.6
Dropout Voltage
1.4
Dropout Voltage
400
Current Limit
1.4
1.2
I LOAD = 200mA
350
1.2
1.0
0.8
T J = –55°C
T J = 25°C
T J = 125°C
1.0
0.8
I LOAD = 100mA
300
250
200
0.6
0.6
150
0.4
0.2
0.4
0.2
100
50
0
0
25
50
75 100 125 150 175 200
0
–50 –25
0
25
50
75
100 125 150
0
0
2
4
T J = 25°C
6 8 10
LOAD CURRENT (mA)
TEMPERATURE (°C)
3082 G10
INPUT-TO-OUTPUT DIFFERENTIAL VOLTAGE (V)
500
450
400
350
300
250
200
150
Current Limit
3082 G09
200
150
100
50
0
–50
–100
Load Transient Response
3082 G11
100
–150
250
50
V IN = 7V
V OUT = 0V
0
0
50 100 150 200 250 300 350 400 450 500
0
–50 –25
0
25 50 75 100 125 150
TEMPERATURE (°C)
3082 G12
TIME (μs)
V OUT = 1V C SET = 0.1μF
C IN = 1μF CERAMIC ΔI LOAD = 10mA to 200mA
C OUT = 2.2μF CERAMIC
3082 G13
60
40
20
0
–20
Line Transient Response
2.0
1.5
1.0
0.5
0
Turn-On Response
–40
6
4
2
0
4
2
0
0
50 100 150 200 250 300 350 400 450 500
TIME (μs)
0
10 20 30 40 50 60 70 80 90 100
TIME (μs)
V OUT = 1V
C SET = 0.1μF
C OUT = 2.2μF CERAMIC C SET = 0
C IN = 1μF CERAMIC
I LOAD = 10mA
R SET = 100k
R LOAD = 5Ω
C OUT = 2.2μF CERAMIC
3082 G14
3082f
5
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