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参数资料
| 型号： | LT1581CT7-2.5 |
| 厂商： | Linear Technology |
| 文件页数： | 4/12页 |
| 文件大小： | 0K |
| 描述： | IC LDO REGULATOR 10A 2.5V TO2207 |
| 标准包装： | 50 |
| 应用： | 转换器，Intel Pentium? |
| 输入电压： | 1.68 V ~ 6 V |
| 输出数： | 1 |
| 输出电压： | 2.5V |
| 工作温度： | 0°C ~ 125°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-220-7 成形引线 |
| 供应商设备封装： | TO-220-7 |
| 包装： | 管件 |
LT1581/LT1581-2.5
TYPICAL PERFOR M A N CE CHARACTERISTICS
200
Control Pin Current vs
Output Current
2
Dropout Voltage —
Minimum Control Voltage
0.8
Dropout Voltage —
Minimum Power Voltage
180
INDICATES GUARANTEED TEST POINTS
INDICATES GUARANTEED TEST POINTS
0.7
INDICATES GUARANTEED TEST POINTS
160
140
DATA SHEET LIMIT
0.6
120
100
DATA SHEET LIMIT
1
0.5
0.4
DATA SHEET LIMIT
80
60
40
TYPICAL
DEVICE
T J = 125 ° C
T J = 25 ° C
0.3
0.2
T J = 25 ° C
T J = 125 ° C
20
0.1
0
0
1
2
3
4
5
6 7
8
9
10
0
0
1
2
3
4
5
6
7
8
9
10
0
0
1
2
3
4
5
6
7
8
9
10
1.262
1.259
1.256
1.253
1.250
1.247
1.244
OUTPUT CURRENT (A)
LT1581 Reference Voltage vs
Temperature
1581 G01
2.512
2.509
2.506
2.503
2.500
2.497
2.494
OUTPUT CURRENT (A)
LT1581-2.5 Output Voltage vs
Temperature
1581 G02
V OUT
50mV/DIV
10A
LOAD
400mA
OUTPUT CURRENT (A)
Load Current Step Response
1581 G03
1.241
2.491
50 μ s/DIV
1581 G06
1.238
–50 –25
0
25
50
75
100 125 150
2.488
–50 –25
0
25
50
75
100 125 150
TEMPERATURE ( ° C)
PI N FU N CTIO N S
1581 G04
TEMPERATURE ( ° C)
1581 G05
ADJUST (Pin 1): This pin is the negative side of the
reference voltage for the device. Transient response can
be improved by adding a small bypass capacitor from the
ADJUST pin to ground. For fixed voltage devices the
ADJUST pin is also brought out to allow the user to add a
bypass capacitor.
GND (Pin 2, Fixed Voltage Devices Only): For fixed
voltage devices this is the bottom of the resistor divider
that sets the output voltage.
SENSE (Pin 3): This pin is the positive side of the reference
voltage for the device. With this pin it is possible to Kelvin
sense the output voltage at the load.
4
OUTPUT (Pin 4): This is the power output of the device.
V POWER (Pin 5): This is the collector to the power device
of the LT1581. The output load current is supplied through
this pin. For the device to regulate, the voltage at this pin
must be between 0.1V and 0.7V greater than the output
voltage (see Dropout specifications).
V CONTROL (Pin 6): This pin is the supply pin for the control
circuitry of the device. The current flow into this pin will
be about 1% of the output current. For the device to
regulate, the voltage at this pin must be between 1.0V and
1.35V greater than the output voltage (see Dropout
specifications).
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1584 | 制造商:LINER 制造商全称:Linear Technology 功能描述:7A, 4.6A, 3A Low Dropout Fast Response Positive Regulators Adjustable and Fixed |
| LT1584/5/7 | 制造商:LINER 制造商全称:Linear Technology 功能描述:7A, 4.6A, 3A Low Dropout Fast Response Positive Regulators Adjustable and Fixed |
| LT1584/5/7-3.3 | 制造商:LINER 制造商全称:Linear Technology 功能描述:7A, 4.6A, 3A Low Dropout Fast Response Positive Regulators Adjustable and Fixed |
| LT1584/5/7-3.45 | 制造商:LINER 制造商全称:Linear Technology 功能描述:7A, 4.6A, 3A Low Dropout Fast Response Positive Regulators Adjustable and Fixed |
| LT1584/5/7-3.6 | 制造商:LINER 制造商全称:Linear Technology 功能描述:7A, 4.6A, 3A Low Dropout Fast Response Positive Regulators Adjustable and Fixed |
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