SC1578中文資料SEMTECH數(shù)據(jù)手冊PDF規(guī)格書
SC1578規(guī)格書詳情
DESCRIPTION
The SC1578 is a high performance step-down DC-DC converter, designed to drive an external P-channel MOSFET to generate programmable output voltages. Two main schemes of pulse-skipping and pulsefrequency modulation are employed to maintain low quiescent current and high conversion efficiency over wide ranges of input voltage and loads. The SC1578 delivers 10mA to 2A of output current with 87-93 efficiency at VIN=9V, VOUT=5V. A current sense comparator with both inverting and non-inverting inputs uncommitted is included to provide the crucial function of either current limit protection or constant output current control.
FEATURES
? 4V to 24V input voltage operation.
? High efficiency (up to 95).
? Low quiescent current at 90μA.
? Pulse-skipping and pulse-frequency modulation.
? Inputs-uncommitted current sense comparator.
? Duty cycle adjustable
? 90kHz to 280kHz oscillator frequency
? Power-saving shutdown mode (8μA Typical).
? Push-pull driver output
APPLICATIONS
? Notebook 5V/3.3V main power
? Step-down DC-DC converter module.
? Constant current source for battery chargers.
供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
---|---|---|---|---|---|---|---|
SEMTECH |
2016+ |
SOP8 |
6528 |
只做原裝正品現(xiàn)貨!或訂貨!假一賠十! |
詢價 | ||
SC |
SOP8 |
699839 |
集團化配單-有更多數(shù)量-免費送樣-原包裝正品現(xiàn)貨-正規(guī) |
詢價 | |||
TE Connectivity(美國泰科) |
23+ |
插件,D4.5xL10mm |
7350 |
現(xiàn)貨供應(yīng),當天可交貨!免費送樣,原廠技術(shù)支持!!! |
詢價 | ||
SC |
22+23+ |
TO263 |
73475 |
絕對原裝正品現(xiàn)貨,全新深圳原裝進口現(xiàn)貨 |
詢價 | ||
SEMTECH |
2023+ |
TO-263 |
3587 |
全新原廠原裝產(chǎn)品、公司現(xiàn)貨銷售 |
詢價 | ||
SEMTECH |
SOP8 |
7500 |
一級代理 原裝正品假一罰十價格優(yōu)勢長期供貨 |
詢價 | |||
SEMTECH |
22+ |
SOP |
2679 |
原裝優(yōu)勢!絕對公司現(xiàn)貨!可長期供貨! |
詢價 | ||
SEMTECH |
22+ |
SOP8 |
5000 |
只做原裝,假一賠十 15118075546 |
詢價 | ||
SC |
2023+ |
TO |
80000 |
一級代理/分銷渠道價格優(yōu)勢 十年芯程一路只做原裝正品 |
詢價 | ||
SEMTECH |
21+ |
SOP |
35200 |
一級代理分銷/放心采購 |
詢價 |