参数资料
| 型号： | LT3085MPMS8E#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 6/28页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ .5A 8-MSOP |
| 产品培训模块： | 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： | -55°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 |
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LT3085
TYPICAL PERFORMANCE CHARACTERISTICS
Residual Output Voltage with
20
V CONTROL Pin Current
8
V CONTROL Pin Current
800
Less Than Minimum Load
18
16
14
12
10
8
6
I LOAD = 500mA
DEVICE IN
CURRENT LIMIT
7
6
5
4
3
2
V IN = V CONTROL = 2V
V IN = V OUT = 1V
T J = –50°C
T J = 25° C
T J = 125°C
700
600
500
400
300
200
SET PIN = 0V
V IN
V IN = 10V
V OUT
R TEST
V IN = 5V
V IN = 20V
4
2
I LOAD = 1mA
1
100
0
0
6
12 18 24
30
36
0
0
0.1
0.2
0.3
0.4
0.5
0
0
1k
2k
100
INPUT-TO-OUTPUT DIFFERENTIAL (V)
3085 G19
Ripple Rejection - Single Supply
100
LOAD CURRENT (A)
3085 G20
Ripple Rejection - Dual Supply
- V CONTROL Pin
100
R TEST (Ω)
3085 G21
Ripple Rejection - Dual Supply
- IN Pin
90
80
90
80
I LOAD = 100mA
90
80
I LOAD = 100mA
70
60
50
I LOAD = 500mA
I LOAD = 100mA
70
60
50
I LOAD = 500mA
70
60
50
I LOAD = 500mA
40
40
40
30
20
10
0
V IN = V CONTROL = V OUT (NOMINAL) +2V
RIPPLE = 50mV P–P
C OUT = 2.2μF CERAMIC
C SET = 0.1μF CERAMIC
30
20
10
0
V IN = V OUT (NOMINAL) + 1V
V CONTROL = V OUT (NOMINAL) +2V
RIPPLE = 50mV P–P
C OUT = 2.2μF CERAMIC
C SET = 0.1μF CERAMIC
30
20
10
0
V IN = V CONTROL +2V
V CONTROL = V OUT (NOMINAL) +2V
RIPPLE = 50mV P–P
C OUT = 2.2μF CERAMIC
C SET = 0.1μF CERAMIC
10
100
1k
10k
100k
1M
10
100
1k
10k
100k
1M
10
100
1k
10k
100k
1M
85
84
FREQUENCY (Hz)
Ripple Rejection (120Hz)
3085 G22
10k
FREQUENCY (Hz)
Noise Spectral Density
3085 G23
1k
FREQUENCY (Hz)
Output Voltage Noise
3085 G24
83
1k
100
V OUT
100μV/DIV
82
81
80
100
10
V OUT = 1V
TIME 1ms/DIV
3085 G27
79
78
SINGLE SUPPLY OPERATION
V IN = V OUT (NOMINAL) +2V
RIPPLE = 50mV P–P , f = 120Hz
I LOAD = 0.1A
10
1.0
R SET = 100k
C SET = O.1μF
C OUT = 10μF
I LOAD = 0.5A
C OUT = 2.2μF, C SET = 0.1μF
77
1
0.1
–50 –25
0
25 50 75
100 125 150
10
100
1k
10k
100k
FREQUENCY (Hz)
3085 G25
FREQUENCY (Hz)
3085 G26
3085fb
6
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| LT3085MPMS8E-TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:Adjustable 500mA Single Resistor Low Dropout Regulator |
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