| 型號(hào) | 下載 訂購 | 功能描述 | 制造商 上傳企業(yè) | LOGO |
|---|---|---|---|---|
RT8223L | High Efficiency, Main Power Supply Controller for Notebook Computer General Description The RT8223L/M is a dual step-down, switch-mode power supply controller generating logic-supply voltages in battery-powered systems. It includes two Pulse Width Modulation (PWM) controllers adjustable from 2V to 5.5V, and also features fixed 5V/3.3V linear regulators. Each line 文件:397.58 Kbytes 頁數(shù):24 Pages | RICHTEK 立锜科技 | RICHTEK | |
絲?。?a target="_blank" title="Marking" href="/ep=/marking.html">EP=**;Package:WQFN-244x4;High Efficiency, Main Power Supply Controller for Notebook Computer General Description The RT8223L/M is a dual step-down, switch-mode power supply controller generating logic-supply voltages in battery-powered systems. It includes two Pulse Width Modulation (PWM) controllers adjustable from 2V to 5.5V, and also features fixed 5V/3.3V linear regulators. Each line 文件:397.58 Kbytes 頁數(shù):24 Pages | RICHTEK 立锜科技 | RICHTEK | ||
絲?。?a target="_blank" title="Marking" href="/ep/marking.html">EP**;Package:WQFN-244x4;High Efficiency, Main Power Supply Controller for Notebook Computer General Description The RT8223L/M is a dual step-down, switch-mode power supply controller generating logic-supply voltages in battery-powered systems. It includes two Pulse Width Modulation (PWM) controllers adjustable from 2V to 5.5V, and also features fixed 5V/3.3V linear regulators. Each line 文件:397.58 Kbytes 頁數(shù):24 Pages | RICHTEK 立锜科技 | RICHTEK | ||
RT8223L | 筆記本電腦主電源供應(yīng)控制器 RT8223L/M 是一款雙通道開關(guān)模式降壓控制器,用于電池供電系統(tǒng)中為邏輯電路部分提供電源供應(yīng)。它包含了兩組輸出電壓可在 2V~5.5V 調(diào)節(jié)的 PWM 控制器和兩組恒定電壓(5V/3.3V)的線性穩(wěn)壓器。每個(gè)線性穩(wěn)壓器可以提供 100mA 輸出電流,并可自動(dòng)切換到 PWM 控制器的輸出以提高效率。RT8223L/M 包含內(nèi)置的上電時(shí)序管理能力、電源正常狀態(tài)輸出和內(nèi)置軟起動(dòng)電路,還有內(nèi)置輸出軟放電功能可以避免關(guān)機(jī)期間的負(fù)電壓問題。它所使用的恒定導(dǎo)通時(shí)間( COT )模式下的 PWM 控制邏輯無需使用電流檢測電阻,在負(fù)載發(fā)生瞬態(tài)變化時(shí)具有 100ns 的響應(yīng)速度,同時(shí)還能維持基本恒定的開關(guān)切換 ? 采用 COT 控制架構(gòu),具有 100ns 負(fù)載瞬態(tài)變化響應(yīng)能力\n? 2V~5.5V 的兩路可調(diào)輸出\n? 2V 參考電壓\n? 通過 RDS(ON) 進(jìn)行的電流檢測具有4700ppm/°C 的溫度補(bǔ)償\n? 有PWM、DEM和超聲工作模式可供選擇\n? 效率高達(dá) 97%\n? 過熱關(guān)機(jī)保護(hù)\n? 符合 RoHS 規(guī)范,不含鹵素; | Richtek 立锜科技 | Richtek |
技術(shù)參數(shù)
- Vs(typ)(V):
19
- Vin(min)(V):
6
- Vin(max)(V):
25
- Vout(min)(V):
2
- Vout(max)(V):
5.5
- Preset Vout(V):
3.3;5
- Output Adj. Method:
Fixed;Resistor
- Accuracy(+/- %):
1.5
- Freq(typ)(kHz):
300;375
- Freq(min)(kHz):
200
- Freq(max)(kHz):
500
- Iq(typ)(mA):
0.2
- Features:
Adjustable Current Limit;Adjustable Frequency;Built-in Bootstrap Switch;COT Control;Cycle-by-Cycle Current Limit;Diode Emulation Mode;Enable Input;Fast Transient Response;OCP;OVP;Power Good;SCP;UVP;Ultrasonic Mode Control
- Package Type:
WQFN4x4-24
| 供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
RICHTEK/立锜 |
23+ |
QFN24 |
3000 |
一級(jí)代理原廠VIP渠道,專注軍工、汽車、醫(yī)療、工業(yè)、 |
詢價(jià) | ||
RICHTEK |
25+23+ |
QFN |
40723 |
絕對原裝正品全新進(jìn)口深圳現(xiàn)貨 |
詢價(jià) | ||
RICHTEK |
18+ |
WQFN-24 |
85600 |
保證進(jìn)口原裝可開17%增值稅發(fā)票 |
詢價(jià) | ||
RICHTEK/立锜 |
24+ |
WQFN24 |
78418 |
原裝正品現(xiàn)貨供應(yīng) |
詢價(jià) | ||
RICHTEK |
24+ |
QFN |
35200 |
一級(jí)代理分銷/放心采購 |
詢價(jià) | ||
RICHTEK/立锜 |
2447 |
QFN |
100500 |
一級(jí)代理專營品牌!原裝正品,優(yōu)勢現(xiàn)貨,長期排單到貨 |
詢價(jià) | ||
RICHTEK/立锜 |
21+ |
WQFN-24 |
7000 |
詢價(jià) | |||
RICHTEK/立锜 |
24+ |
SMD |
9600 |
原裝現(xiàn)貨,優(yōu)勢供應(yīng),支持實(shí)單! |
詢價(jià) | ||
RICHTEK |
23+ |
WQFN-24L 4x4 |
50000 |
全新原裝正品現(xiàn)貨,支持訂貨 |
詢價(jià) | ||
RICHTEK/立锜 |
23+ |
QFN4*4 |
50000 |
全新原裝正品現(xiàn)貨,支持訂貨 |
詢價(jià) |
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