参数资料
型号: LT3083MPT#PBF
厂商: Linear Technology
文件页数: 5/28页
文件大小: 0K
描述: IC REG LDO ADJ 3A TO-220-5
标准包装: 50
稳压器拓扑结构: 正,可调式
输出电压: 可调至 23V
输入电压: 1.2 V ~ 23 V
电压 - 压降(标准): 1.25V @ 3A
稳压器数量: 1
电流 - 输出: 3A
电流 - 限制(最小): 3A
工作温度: -55°C ~ 125°C
安装类型: 通孔
封装/外壳: TO-220-5 成形引线
供应商设备封装: TO-220-5
包装: 管件
LT3083
TYPICAL PERFORMANCE CHARACTERISTICS
T A = 25°C, unless otherwise noted.
50.5
50.4
SET Pin Current
Set Pin Current Distribution
N = 1052
1.0
0.8
Offset Voltage (V OUT – V SET )
I LOAD = 5mA
50.3
50.2
50.1
50.0
49.9
49.8
49.7
49.6
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
49.5
–50 –25
0
25 50 75 100 125 150
TEMPERATURE (°C)
49
49.5 50 50.5
SET PIN CURRENT DISTRIBUTION (μA)
51
–1.0
–50 –25
0
25 50 75 100 125 150
TEMPERATURE (°C)
3083 G01
3083 G02
3083 G03
Offset Voltage Distribution
N = 1052
1.00
0.75
Offset Voltage (V OUT – V SET )
I LOAD = 5mA
0.25
0
Offset Voltage (V OUT – V SET )
T J = 25°C
0.50
–0.25
0.25
0
–0.25
–0.50
–0.75
–0.50
–0.75
–1.00
–1.25
–1.50
T J = 125°C
–3
–2
–1 0 1 2
V OS DISTRIBUTION (mV)
3
–1.00
0
5 10 15 20
INPUT-TO-OUTPUT VOLTAGE (V)
25
–1.75
0
0.5
1 1.5 2
LOAD CURRENT (A)
2.5
3
Load Regulation
3083 G04
Minimum Load Current
3083 G05
3083 G06
Dropout Voltage, T/Q Packages
(Minimum IN Voltage)
0
–0.2
–0.4
–0.6
–0.8
–1.0
CHANGE IN OFFSET VOLTAGE (V OUT – V SET )
CHANGE IN REFERENCE CURRENT
100
50
0
–50
–100
–150
1.4
1.2
1.0
0.8
0.6
V IN = V CONTROL
V IN,CONTROL – V OUT = 23V
V IN, CONTROL – V OUT = 1.5V
400
350
300
250
200
150
T J = 25°C
T J = 125°C
T J = –50°C
–1.2
–200
0.4
100
V IN = V CONTROL = V OUT + 2V
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
–1.4 ?I LOAD = 5mA TO 3A –250
–1.6 –300
0.2
0
–50 –25
0
25 50 75 100 125 150
TEMPERATURE (°C)
50
0
0
0.5
1 1.5 2
LOAD CURRENT (A)
2.5
3
3083 G07
3083 G08
3083 G09
3083fa
5
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