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| 型號(hào)： | LM2675N-12 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator |
| 中文描述： | 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, PDIP8 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-8 |
| 文件頁(yè)數(shù)： | 8/26頁(yè) |
| 文件大?。?/td> | 912K |
| 代理商： | LM2675N-12 |
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Typical Performance Characteristics
(Circuit of
Figure 2
)
Continuous Mode Switching Waveforms
V
= 20V, V
= 5V, I
LOAD
= 1A
L = 47 μH, C
OUT
= 68 μF, C
OUT
Discontinuous Mode Switching Waveforms
V
= 20V, V
= 5V, I
= 300 mA
L = 15 μH, C
OUT
= 68 μF (2x), C
OUT
ESR = 25 m
01280318
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
01280319
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
OUT
= 5V, I
LOAD
= 1A
L = 47 μH, C
OUT
= 68 μF, C
OUT
ESR = 50 m
Load Transient Response for Discontinuous Mode
V
IN
= 20V, V
OUT
= 5V,
L = 47 μH, C
OUT
= 68 μF, C
OUT
ESR = 50 m
01280320
A: Output Voltage, 100 mV/div, AC-Coupled.
B: Load Current: 200 mA to 1A Load Pulse
Horizontal Time Base: 50 μs/div
01280321
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
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8
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM2675N-ADJ | SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator |
| LM2675LD-12 | SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator |
| LM2675LD-3.3 | SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator |
| LM2675LD-5.0 | SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator |
| LM2675MX-ADJ | SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM2675N-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 |
| LM2675N-3.3 | 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 |
| LM2675N-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 |
| LM2675N-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 |
| LM2675N-5.0 | 制造商:Texas Instruments 功能描述:SWITCHING REG 1A 5.0V 2675 DIP8 |
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