参数资料
型号: LT3085EMS8E#PBF
厂商: Linear Technology
文件页数: 5/28页
文件大小: 0K
描述: IC REG LDO ADJ .5A 8-MSOP
产品培训模块: LT3085 Adjustable Low Dropout Regulator
More Information on LDOs
标准包装: 50
稳压器拓扑结构: 正,可调式
输出电压: 可调
输入电压: 1.2 V ~ 36 V
电压 - 压降(标准): 1.35V @ 500mA
稳压器数量: 1
电流 - 输出: 500mA
电流 - 限制(最小): 500mA
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)裸露焊盘
供应商设备封装: 8-MSOP-EP
包装: 管件
产品目录页面: 1331 (CN2011-ZH PDF)
LT3085
TYPICAL PERFORMANCE CHARACTERISTICS
400
Dropout Voltage
(Minimum IN Voltage)
1.6
Dropout Voltage (Minimum
V CONTROL Pin Voltage)
1.6
Dropout Voltage (Minimum
V CONTROL Pin Voltage)
350
300
I LOAD = 500mA
1.4
1.2
T J = –50°C
1.4
1.2
I LOAD = 100m        A
I LOAD = 500mA
250
200
150
1.0
0.8
0.6
T J = 25°C
T J = 125°C
1.0
0.8
0.6
100
50
I LOAD = 100mA
0.4
0.2
0.4
0.2
0
–50 –25
0
25
50
75
100 125 150
0
0 50 100 150 200 250 300 350 400 450 500
0
–50 –25
0
25
50
75
100 125 150
TEMPERATURE (°C)
Current Limit
3085 G10
LOAD CURRENT (mA)
Current Limit
3085 G11
TEMPERATURE (°C)
Load Transient Response
3085 G12
700
600
500
400
V IN = 7V
V OUT = 0V
700
600
500
400
T J = 25°C
60
40
20
0
V OUT = 1.5V
C SET = 0.1μF
V IN = V CONTROL = 3V
–20
300
200
100
300
200
100
–40
200
100
C OUT = 10μF CERAMIC
C OUT = 2.2μF CERAMIC
0
–50 –25
0
25
50
75
100 125 150
0
0
5 10 15
20
25
30
35
40
0
0
20 40 60 80 100 120 140 160 180 200
150
TEMPERATURE (°C)
Load Transient Response
3085 G13
100
INPUT-TO-OUTPUT DIFFERENTIAL (V)
3085 G14
Line Transient Response
1.5
TIME (μs)
Turn-On Response
3085 G15
100
C OUT = 10μF CERAMIC
50
1
50
0
–50
–100
500
250
C OUT = 2.2μF CERAMIC
V IN = V CONTROL = 3V
V OUT = 1.5V
C SET = 0.1μF
0
–50
–100
6
4
2
V OUT = 1.5V
I LOAD = 10mA
C OUT = 2.2μF
CERAMIC
C SET = 0.1μF
CERAMIC
0.5
0
8
6
4
2
C OUT = 2.2μF
CERAMIC
R SET = 100k
C SET = 0
R LOAD = 2Ω
0
0 10
20 30 40 50 60 70 80 90 100
0
0
10 20 30 40 50 60 70 80 90 100
0
0
2
4
6
8
10 12 14 16 18 20
TIME (μs)
3085 G16
TIME (μs)
3085 G17
TIME (μs)
3085 G18
3085fb
5
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