參數(shù)資料
型號： LM2671MX-12
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 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, PDSO8
封裝： 0.150 INCH, PLASTIC, SO-8
文件頁數(shù)： 8/26頁
文件大?。?/td> 972K
代理商： LM2671MX-12
Typical Performance Characteristics
(Circuit of
Figure 2
)
Continuous Mode Switching Waveforms
V
IN
= 20V, V
OUT
= 5V, I
LOAD
= 500 mA
L = 100 μH, C
OUT
= 100 μF, C
OUT
ESR = 0.1
Discontinuous Mode Switching Waveforms
V
IN
= 20V, V
OUT
= 5V, I
LOAD
= 300 mA
L = 15 μH, C
OUT
= 68 μF (2x), C
OUT
ESR = 25 m
10004218
A: V
SW
Pin Voltage, 10 V/div.
B: Inductor Current, 0.2 A/div
C: Output Ripple Voltage, 50 mV/div AC-Coupled
Horizontal Time Base: 1 μs/div
10004219
A: V
SW
Pin Voltage, 10 V/div.
B: Inductor Current, 0.5 A/div
C: Output Ripple Voltage, 20 mV/div AC-Coupled
Horizontal Time Base: 1 μs/div
Load Transient Response for Continuous Mode
V
IN
= 20V, V
= 5V
L = 100 μH, C
OUT
= 100 μF, C
OUT
ESR = 0.1
Load Transient Response for Discontinuous Mode
V
IN
= 20V, V
= 5V,
L = 47 μH, C
OUT
= 68 μF, C
OUT
ESR = 50 m
10004220
A: Output Voltage, 100 mV/div, AC-Coupled
B: Load Current: 100 mA to 500 mA Load Pulse
Horizontal Time Base: 50 μs/div
10004221
A: Output Voltage, 100 mV/div, AC-Coupled
B: Load Current: 100 mA to 400 mA Load Pulse
Horizontal Time Base: 200 μs/div
L
www.national.com
8
相關(guān)PDF資料
PDF描述
LM2671M-12 MULTIFUSE, SMD 3AMULTIFUSE, SMD 3A; Thermistor type:PTC Resettable Fuse; Approval Bodies:CSA and TUV Approved, UL Recognised; Case style:Surface Mount; Current, holding:1.5A; Current, max:100A; Current, tripping:3.00A; Depth,
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2671MX-12/NOPB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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
LM2671MX-3.3 制造商:NSC 制造商全稱:National Semiconductor 功能描述:SIMPLE SWITCHER㈢ Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features
LM2671MX-3.3/NOPB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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
LM2671MX-33 制造商:TI 制造商全稱:Texas Instruments 功能描述:LM2671 SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage
LM2671MX-5.0 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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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