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參數(shù)資料
| 型號： | LM2673LD-12 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 5.4 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封裝： | LLP-14 |
| 文件頁數(shù)： | 23/25頁 |
| 文件大?。?/td> | 433K |
| 代理商： | LM2673LD-12 |
Typical Performance Characteristics (Continued)
Switching Frequency
Feedback Pin Bias Current
10091312
10091313
Load Transient Response for Continuous Mode
V
IN = 20V, VOUT =5V
L = 33 H, C
OUT = 200 F, COUTESR=26 m
Load Transient Response for Discontinuous Mode
V
IN = 20V, VOUT = 5V,
L = 10 H, C
OUT = 400 F, COUTESR=13 m
10091317
A: Output Voltage, 100 mV//div, AC-Coupled.
B: Load Current: 500 mA to 3A Load Pulse
Horizontal Time Base: 100 s/div
10091318
A: Output Voltage, 100 mV/div, AC-Coupled.
B: Load Current: 200 mA to 3A Load Pulse
Horizontal Time Base: 200 s/div
Continuous Mode Switching Waveforms
V
IN = 20V, VOUT = 5V, ILOAD =3A
L = 33 H, C
OUT = 200 F, COUTESR=26 m
Discontinuous Mode Switching Waveforms
V
IN = 20V, VOUT = 5V, ILOAD = 500 mA
L = 10 H, C
OUT = 400 F, COUTESR=13 m
10091315
A: VSW Pin Voltage, 10 V/div.
B: Inductor Current, 1 A/div
C: Output Ripple Voltage, 20 mV/div AC-Coupled
Horizontal Time Base: 1 s/div
10091316
A: VSW Pin Voltage, 10 V/div.
B: Inductor Current, 1 A/div
C: Output Ripple Voltage, 20 mV/div AC-Coupled
Horizontal Time Base: 1 s//iv
LM2673
www.national.com
7
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相關(guān)代理商/技術(shù)參數(shù) |
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| LM2673LD3.3 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| LM2673LD-3.3 | 制造商:Rochester Electronics LLC 功能描述:3A STEP DOWN SIMP SWITCH 260KH - Bulk |
| LM2673LD-5.0 | 制造商:Rochester Electronics LLC 功能描述:3A STEP DOWN SIMP SWITCH 260KH - Bulk |
| LM2673LD-ADJ | 制造商:Rochester Electronics LLC 功能描述:3A STEP DOWN SIMP SWITCH 260KH - Bulk |
| LM2673S-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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