參數(shù)資料
型號： LM2672M-5.0X
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, PDSO8
封裝： 0.150 INCH, PLASTIC, SO-8
文件頁數(shù)： 25/26頁
文件大?。?/td> 626K
代理商： LM2672M-5.0X
Typical Performance Characteristics (Circuit of Figure 2)
Continuous Mode Switching Waveforms
V
IN = 20V, VOUT = 5V, ILOAD = 1A
L = 47
μH, C
OUT = 68 μF, COUTESR = 50 mΩ
1293418
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
Discontinuous Mode Switching Waveforms
V
IN = 20V, VOUT = 5V, ILOAD = 300 mA
L = 15
μH, C
OUT = 68 μF (2×), COUTESR = 25 mΩ
1293419
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, VOUT = 5V, ILOAD = 1A
L = 47
μH, C
OUT = 68 μF, COUTESR = 50 mΩ
1293420
A: Output Voltage, 100 mV/div, AC-Coupled
B: Load Current: 200 mA to 1A Load Pulse
Horizontal Time Base: 50
μs/div
Load Transient Response for Discontinuous Mode
V
IN = 20V, VOUT = 5V,
L = 47
μH, C
OUT = 68 μF, COUTESR = 50 mΩ
1293421
A: Output Voltage, 100 mV/div, AC-Coupled
B: Load Current: 100 mA to 300 mA Load Pulse
Horizontal Time Base: 200
μs/div
www.national.com
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LM2672
相關(guān)PDF資料
PDF描述
LM2672LD-5.0/NOPB 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, PDSO16
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2672M-ADJ 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
LM2672M-ADJ 制造商:Texas Instruments 功能描述:SWITCHING REG 1A ADJ 2672 SOIC8
LM2672M-ADJ/NOPB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 HIGH EFF 1A STEP- DOWN VLTG REG 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
LM2672M-ADJ/NOPB 制造商:Texas Instruments 功能描述:DC/DC Converter (DC-DC) / Switching Regu
LM2672MX-12 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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