參數(shù)資料
型號(hào)： LM2671LD-5.0
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 穩(wěn)壓器
英文描述： SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features
中文描述： 1.25 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, DSO16
封裝： LLP-16
文件頁(yè)數(shù)： 9/26頁(yè)
文件大?。?/td> 972K
代理商： LM2671LD-5.0
Test Circuit and Layout Guidelines
10004222
C
IN
- 22 μF, 50V Tantalum, Sprague “199D Series”
C
OUT
- 47 μF, 25V Tantalum, Sprague “595D Series”
D1 - 3.3A, 50V Schottky Rectifier, IR 30WQ05F
L1 - 68 μH Sumida
#
RCR110D-680L
C
B
- 0.01 μF, 50V Ceramic
FIGURE 2. Standard Test Circuits and Layout Guides
Fixed Output Voltage Versions
10004223
C
IN
- 22 μF, 50V Tantalum, Sprague “199D Series”
C
OUT
- 47 μF, 25V Tantalum, Sprague “595D Series”
D1 - 3.3A, 50V Schottky Rectifier, IR 30WQ05F
L1 - 68 μH Sumida
#
RCR110D-680L
R1 - 1.5 k
, 1%
C
B
- 0.01 μF, 50V Ceramic
For a 5V output, select R2 to be 4.75 k
, 1%
where V
REF
= 1.21V
Use a 1% resistor for best stability.
FIGURE 3. Standard Test Circuits and Layout Guides
Adjustable Output Voltage Versions
L
www.national.com
9
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LM2671LD-ADJ/NOPB 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
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LM2671LDX-5.0 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features
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