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參數(shù)資料
| 型號(hào)： | LM2670 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync |
| 中文描述： | SIMPLE SWITCHER系列高效率3A降壓穩(wěn)壓器具有同步 |
| 文件頁(yè)數(shù)： | 7/23頁(yè) |
| 文件大?。?/td> | 361K |
| 代理商： | LM2670 |
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Typical Performance Characteristics
Continuous Mode Switching Waveforms
V
= 20V, V
= 5V, I
LOAD
= 3A
L = 33 μH, C
OUT
= 200 μF, C
OUT
ESR = 26 m
DS100942-17
A: V
SW
Pin Voltage, 10 V/div.
B: Inductor Current, 1 A/div
C: Output Ripple Voltage, 20 mV/div AC-Coupled
Horizontal Time Base: 1 μs/div
Discontinuous Mode Switching Waveforms
V
= 20V, V
OUT
= 5V, I
LOAD
= 500 mA
L = 10 μH, C
OUT
OUT
ESR = 13 m
DS100942-18
A: V
SW
Pin Voltage, 10 V/div.
B: Inductor Current, 1 A/div
C: Output Ripple Voltage, 20 mV/div AC-Coupled
Horizontal Time Base: 1 μs//iv
Load Transient Response for Continuous Mode
V
IN
= 20V, V
= 5V
L = 33 μH, C
OUT
= 200 μF, C
OUT
ESR = 26 m
DS100942-19
A: Output Voltage, 100 mV//div, AC-Coupled.
B: Load Current: 500 mA to 3A Load Pulse
Horizontal Time Base: 100 μs/div
Load Transient Response for Discontinuous Mode
V
IN
= 20V, V
= 5V,
L = 10 μH, C
OUT
= 400 μF, C
OUT
ESR = 13 m
DS100942-20
A: Output Voltage, 100 mV/div, AC-Coupled.
B: Load Current: 200 mA to 3A Load Pulse
Horizontal Time Base: 200 μs/div
www.national.com
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相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM2670T-3.3 | SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync |
| LM2670T-5.0 | SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync |
| LM2670T-ADJ | SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync |
| LM2670S-5.0 | SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync |
| LM2670S-ADJ | SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM2670_05 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:SIMPLE SWITCHER㈢ High Efficiency 3A Step-Down Voltage Regulator with Sync |
| LM2670EP | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LM2670EP Enhanced Plastic SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync |
| LM2670LD-12 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| LM2670LD-3.3 | 制造商:Rochester Electronics LLC 功能描述:3A STEP DOWN SIMP SWITCH 260KH - Bulk 制造商:Texas Instruments 功能描述: |
| LM2670LD-5.0 | 制造商:Rochester Electronics LLC 功能描述:3A STEP DOWN SIMP SWITCH 260KH - Bulk |
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