參數(shù)資料
型號(hào)： LM2678-5.0
廠商： National Semiconductor Corporation
英文描述： SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator
中文描述： 高效率的SIMPLE SWITCHER第5A降壓穩(wěn)壓器
文件頁(yè)數(shù)： 8/27頁(yè)
文件大?。?/td> 459K
代理商： LM2678-5.0
Typical Performance Characteristics
(Continued)
Continuous Mode Switching Waveforms
V
= 20V, V
= 5V, I
LOAD
= 5A
L = 10 μH, C
OUT
= 400 μF, C
OUT
Discontinuous Mode Switching Waveforms
V
= 20V, V
OUT
= 5V, I
LOAD
= 500 mA
L = 10 μH, C
OUT
OUT
ESR = 13 m
10088617
A: V
SW
Pin Voltage, 10 V/div.
B: Inductor Current, 2 A/div
C: Output Ripple Voltage, 20 mV/div AC-Coupled
Horizontal Time Base: 1 μs/div
10088618
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 = 10 μH, C
OUT
= 400 μF, C
OUT
ESR = 13 m
Load Transient Response for Discontinuous Mode
V
IN
= 20V, V
= 5V,
L = 10 μH, C
OUT
= 400 μF, C
OUT
ESR = 13 m
10088619
A: Output Voltage, 100 mV//div, AC-Coupled.
B: Load Current: 500 mA to 5A Load Pulse
Horizontal Time Base: 100 μs/div
10088620
A: Output Voltage, 100 mV/div, AC-Coupled.
B: Load Current: 200 mA to 3A Load Pulse
Horizontal Time Base: 200 μs/div
L
www.national.com
8
相關(guān)PDF資料
PDF描述
LM2678-12 SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator
LM2678-ADJ SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator
LM2678 SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator
LM2679S-12 SIMPLE SWITCHER 5A Step-Down Voltage Regulator with Adjustable Current Limit
LM2679S-3.3 SIMPLE SWITCHER 5A Step-Down Voltage Regulator with Adjustable Current Limit
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2678-ADJ 制造商:NSC 制造商全稱:National Semiconductor 功能描述:SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator
LM2678LD-12 制造商:Rochester Electronics LLC 功能描述:- Bulk
LM2678LD-3.3 制造商:Rochester Electronics LLC 功能描述:5A STEP DOWN SIMP SWITCH 260KH - Bulk
LM2678LD-5.0 制造商:Rochester Electronics LLC 功能描述:5A STEP DOWN SIMP SWITCH 260KH - Bulk
LM2678S-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
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*