參數(shù)資料
型號(hào)： LM2831XMF
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： High Frequency 1.5A Load - Step-Down DC-DC Regulator
中文描述： 2.5 A SWITCHING REGULATOR, 1950 kHz SWITCHING FREQ-MAX, PDSO5
封裝： SOT-23, 5 PIN
文件頁(yè)數(shù)： 3/27頁(yè)
文件大小： 893K
代理商： LM2831XMF
Pin Descriptions 5-Pin SOT23
Pin
1
2
Name
SW
GND
Function
Output switch. Connect to the inductor and catch diode.
Signal and power ground pin. Place the bottom resistor of the feedback network as close as
possible to this pin.
Feedback pin. Connect to external resistor divider to set output voltage.
Enable control input. Logic high enables operation. Do not allow this pin to float or be
greater than VIN + 0.3V.
Input supply voltage.
3
4
FB
EN
5
VIN
Pin Descriptions 6-Pin LLP
Pin
1
2
Name
FB
GND
Function
Feedback pin. Connect to external resistor divider to set output voltage.
Signal and power ground pin. Place the bottom resistor of the feedback network as
close as possible to this pin.
Output switch. Connect to the inductor and catch diode.
Power Input supply.
Control circuitry supply voltage. Connect VINA to VIND on PC board.
Enable control input. Logic high enables operation. Do not allow this pin to float or be
greater than VINA + 0.3V.
Connect to system ground for low thermal impedance, but it cannot be used as a
primary GND connection.
3
4
5
6
SW
VIND
VINA
EN
DAP
Die Attach Pad
L
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3
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2831XMF EVAL 功能描述:電源管理IC開(kāi)發(fā)工具 RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
LM2831XMF 制造商:Texas Instruments 功能描述:V REG 1.5A 1.6MHZ BUCK SMD 2831
LM2831XMF/NOPB 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 HI FREQ 1.5A LOAD- STEP DOWN DC-DC REG RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
LM2831XMF/NOPB 制造商:Texas Instruments 功能描述:IC STEP-DOWN DC/DC REGULATOR 5-SOT-23 制造商:Texas Instruments 功能描述:IC, STEP-DOWN DC/DC REGULATOR, 5-SOT-23
LM2831XMFEVAL 功能描述:電源管理IC開(kāi)發(fā)工具 LM2831XMF EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
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