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| MC145151资料 | |
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MC145151 PDF Download |
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File Size : 116 KB
Manufacturer: Description:The minimum VIN must meet two conditions: VIN 2.3V and VIN (VR + 2.5%) + VDROPOUT. VR is the nominal regulator output voltage for the fixed cases. VR = 1.2V, 1.8V, etc. VR is the desired set point output voltage for the adjustable cases. VR = VADJ * ((R1/R2)+1). Figure 4-1. TCVOUT = (VOUT-HIGH C VOUT-LOW) *106 / (VR * ÄTemperature). VOUT-HIGH is the highest voltage measured over the temperature range. VOUT-LOW is the lowest voltage measured over the temperature range. Load regulation is measured at a constant junction temperature using low duty-cycle pulse testing. Load regulation is tested over a load range from 1 mA to the maximum specified output current. Dropout voltage is defined as the input-to-output voltage differential at which the output voltage drops 2% below its nominal value that was measured with an input voltage of VIN = VR + 0.5V. The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable junction temperature and the thermal resistance from junction to air. (i.e., TA, TJ, JA). Exceeding the maxi- mum allowable power dissipation will cause the device operating junction temperature to exceed the maxi- mum 150C rating. Sustained junction temperatures above 125C can impact device reliability. The junction temperature is approximated by soaking the device under test at an ambient temperature equal to the desired junction temperature. The test time is small enough such that the rise in the junction temperature over the ambient temperature is not significant. |
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| 1PCS | 100PCS | 1K | 10K | ||
| 价 格 | |||||
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型 号：MC145151 厂 家： 封 装：DIP 批 号：05+ 数 量：500 说 明： |
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运 费：广东省内10元(平邮),广东省外20元(快递) 所在地：深圳市 新旧程度： |
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| 联系人：黄林锋 |
| 电 话：0755-82579969,83255343 |
| 手 机：13714599954, |
| QQ：172517499,137550090 |
| MSN：zfdz168@hotmail.com |
| 传 真：0755-82738881 |
| EMail：zfdz168@163.com |
| 公司地址： 深圳市福田区华强北路华强广场B座28楼L室 |
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