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| 型号： | NCV8508D2T50G |
| 厂商： | ON Semiconductor |
| 文件页数： | 7/26页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V D2PAK-7 |
| 产品变化通告： | Product Discontinuance Notice 25/Mar/2011 |
| 标准包装： | 50 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 5V |
| 输入电压： | 最高 45 V |
| 电压 - 压降（标准）： | 0.45V @ 150mA |
| 稳压器数量： | 1 |
| 电流 - 限制（最小）： | 250mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-263-8，D²Pak（7 引线+接片），TO-263CA |
| 供应商设备封装： | D2PAK-7 |
| 包装： | 管件 |
NCV8508
TYPICAL PERFORMANCE CHARACTERISTICS
1.0
0.9
5.10
0.8
0.7
0.6
0.5
+125 ° C
+25 ° C
5.05
5.00
0.4
0.3
0.2
? 40 ° C
4.95
V IN = 14 V
I OUT = 5.0 mA
0.1
0.0
0
25
50
75
100 125 150 175 200 225 250
4.90
? 40 ? 25 ? 10
5
20 35 50 65
80
95 110 125
Output Current (mA)
Figure 12. Dropout Voltage vs Output Current
160
140
1000
Temperature ( ° C)
Figure 13. Output Voltage vs Temperature
120
100
80
60
100
10
Unstable Region
Stable Region
40
20
0
1.0
1.5
2.0
2.5
3.0
3.5 4.0
R L = 33 W
4.5 5.0
5.5
6.0
1
0
5
10
15
20
25
C = 1.0 m F, 10 m F
30 35 40
45
V IN (V)
Figure 14. Output Current vs Input Voltage
DEFINITION OF TERMS
Output Current (mA)
Figure 15. Output Capacitor ESR
Dropout Voltage: The input ? output voltage differential at
which the circuit ceases to regulate against further reduction
in input voltage. Measured when the output voltage has
dropped 100 mV from the nominal value obtained at 14 V
input, dropout voltage is dependent upon load current and
junction temperature.
Input Voltage: The DC voltage applied to the input
terminals with respect to ground.
Line Regulation: The change in output voltage for a
change in the input voltage. The measurement is made under
conditions of low dissipation or by using pulse techniques
such that the average chip temperature is not significantly
affected.
Load Regulation: The change in output voltage for a
change in load current at constant chip temperature.
Quiescent Current: The part of the positive input current
that does not contribute to the positive load current. The
regulator ground lead current.
Ripple Rejection: The ratio of the peak ? to ? peak input
ripple voltage to the peak ? to ? peak output ripple voltage.
Current Limit: Peak current that can be delivered to the
output.
http://onsemi.com
7
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相关代理商/技术参数 |
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|---|---|
| NCV8508D2T50R4 | 功能描述:低压差稳压器 - LDO 5V 250mA w/WatchDog RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| NCV8508D2T50R4G | 功能描述:低压差稳压器 - LDO ANA 5.0V LDO WD REG RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| NCV8508DW50 | 功能描述:低压差稳压器 - LDO 5V 250mA w/WatchDog RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| NCV8508DW50G | 功能描述:低压差稳压器 - LDO 5V 250mA w/WatchDog RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| NCV8508DW50R2 | 功能描述:低压差稳压器 - LDO 5V 250mA w/WatchDog RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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