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參數(shù)資料
| 型號(hào)： | LM9073T |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Dual High Current Low-Dropout System Regulator |
| 中文描述： | DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, PZFM11 |
| 封裝： | POWER, TO-220, 11 PIN |
| 文件頁數(shù)： | 16/18頁 |
| 文件大?。?/td> | 718K |
| 代理商： | LM9073T |
Application Information
(Continued)
Electro-Magnetic Compatibiltiy (EMC)
Systems utilizing the LM9073 will not experience loss of sup-
ply or false reset signals from the regulator when subjected
to high frequency interference from a standard Bulk Current
Injection test (ISO11452 Part 4 test method). The following
test conditions and configuration (Figure 9) can be used to
verify this performance:
Frequency Range
Modulation 1
Modulation 2
Dwell Time
Frequency Steps
2MHz (from 10MHz to 200MHz)
20MHz (from 200MHz to 400MHz)
1MHz to 400MHz
(no modulation)
1kHz sine wave, 80% AM
1 second
1MHz (from 1MHz to 10MHz)
In this test configuration the current injected in to either the
input pin or the tracking output pin is increased until a reset
output is generated. These two pins are the most critical as
they typically will connect to a module through long lengths
of wire most likely to pick up high frequency energy. Figure
10 illustrates examples of test results on the LM9073 with
both types of modulation.
These results are just examples as actual results in any
given application will depend on numerous external factors
such as component selection, pc board layout, etc. The cur-
rent power of the injected signal is expressed indB relative to
1mA (i.e. 40dBmA = 100mA)
Test Method
Closed loop current probe
Figure 9. EMC Test Circuit
DS101296-24
Figure 10. Examples of BCI Test
BCI Susceptibility, Modulation 1 (CW)
DS101296-25
BCI Susceptibility, Modulation 2 (CW)
(1kHz, 80% AM Modulation)
DS101296-26
L
www.national.com
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| LM9073T/NOPB | 功能描述:IC REG LDO 5V .7A/.1A TO-220-11 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:4V 輸入電壓:最高 16V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.28V @ 150mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:150mA 電流 - 限制（最小）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:5-VFBGA 供應(yīng)商設(shè)備封裝:5-uSMD 包裝:Digi-Reel® 其它名稱:LP2985AIBP-4.0DKR |
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| LM9074EP | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Enhanced Plastic System Voltage Regulator with Keep-Alive ON/OFF Control |
| LM9074M | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
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