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參數(shù)資料
| 型號： | LP3876 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 3A Fast Ultra Low Dropout Linear Regulators |
| 中文描述： | 3A條快速超低壓差線性穩(wěn)壓器 |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 365K |
| 代理商： | LP3876 |
Application Hints (Continued)
SENSE PIN
In applications where the regulator output is not very close to
the load, LP3876 can provide better remote load regulation
using the SENSE pin. Figure 2 depicts the advantage of the
SENSE option. LP3873 regulates the voltage at the output
pin. Hence, the voltage at the remote load will be the regu-
lator output voltage minus the drop across the trace resis-
tance. For example, in the case of a 3.3V output, if the trace
resistance is 100m
, the voltage at the remote load will be
3V with 3A of load current, I
LOAD. The LP3876 regulates the
voltage at the sense pin. Connecting the sense pin to the
remote load will provide regulation at the remote load, as
shown in Figure 2. If the sense option pin is not required, the
sense pin must be connected to the V
OUT pin.
20060507
FIGURE 1. Error Flag Operation
20060508
FIGURE 2. Improving remote load regulation using LP3876
LP3873/LP3876
www.national.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP3876-ADJ | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:3A Fast Ultra Low Dropout Linear Regulator |
| LP3876ES-1.8 | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP3876ES-1.8/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP3876ES-1.8/NOPB | 制造商:Texas Instruments 功能描述:Voltage Regulator IC |
| LP3876ES-2.5 | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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