| 型號(hào) | 下載 訂購(gòu) | 功能描述 | 制造商 上傳企業(yè) | LOGO |
|---|---|---|---|---|
RT8205B | High Efficiency, Main Power Supply Controllers for Notebook Computers High Efficiency, Main Power Supply Controllers for Notebook Computers General Description The RT8205A/B/C dual step-down, switch-mode power supply controller generates logic-supply voltages in battery-powered systems. The RT8205A/B/C includes two pulse-width modulation (PWM) controllers fi 文件:497.93 Kbytes 頁(yè)數(shù):28 Pages | RICHTEK 立锜科技 | RICHTEK | |
絲?。?a target="_blank" title="Marking" href="/ck=/marking.html">CK=**;Package:WQFN-244x4;High Efficiency, Main Power Supply Controllers for Notebook Computers High Efficiency, Main Power Supply Controllers for Notebook Computers General Description The RT8205A/B/C dual step-down, switch-mode power supply controller generates logic-supply voltages in battery-powered systems. The RT8205A/B/C includes two pulse-width modulation (PWM) controllers fi 文件:497.93 Kbytes 頁(yè)數(shù):28 Pages | RICHTEK 立锜科技 | RICHTEK | ||
RT8205B | 筆記本電腦主電源供應(yīng)控制器 RT8205A/B/C 是一款雙通道開(kāi)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是恒定的 5V/3.3V 或在 2V~5.5V 之間調(diào)節(jié)的 PWM 控制器。一個(gè)替代 LGATE1 的輸出 LG1_CP 可以用于外部電荷泵電路(RT8205B ),可選的外部電荷泵電路可用 SECFB 端子進(jìn)行監(jiān)測(cè)。兩組恒定電壓(5V/3.3V)的線性穩(wěn)壓器也包含其中,每個(gè)線性穩(wěn)壓器可以提供 70mA 輸出電流,并可自動(dòng)切換到 PWM 控制器的輸出以提高效率。RT8205A/B/C 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 ? 寬輸入電壓范圍:6V~25V\n? 兩路恒定 5V/3.3V 或 2V~5.5V 可調(diào)輸出,精度1.5%\n? LGATE1 替代輸出(LG1_CP )代替時(shí)鐘信號(hào)用于電荷泵電路( RT8205B )\n? 二次回饋輸入維持電荷泵輸出電壓( RT8205C )\n? 5V/3.3V 恒定輸出線性穩(wěn)壓器輸出能力為 70mA\n? 2V 參考電壓精度為 ±1%,負(fù)載能力為 50μA\n? COT 控制架構(gòu),賦予其 100ns 快速負(fù)載瞬態(tài)響應(yīng)能力\n? 由 TONSEL 端子狀態(tài)進(jìn)行工作頻率選擇\n? 經(jīng) RDS(ON) 進(jìn)行電流檢測(cè),可程序設(shè)計(jì)電流限制及使能信號(hào)共享一個(gè)端子\; | Richtek 立锜科技 | Richtek | |
High Efficiency, Main Power Supply Controllers for Notebook Computers High Efficiency, Main Power Supply Controllers for Notebook Computers General Description The RT8205A/B/C dual step-down, switch-mode power supply controller generates logic-supply voltages in battery-powered systems. The RT8205A/B/C includes two pulse-width modulation (PWM) controllers fi 文件:497.93 Kbytes 頁(yè)數(shù):28 Pages | RICHTEK 立锜科技 | RICHTEK | ||
High Efficiency, Main Power Supply Controllers for Notebook Computers High Efficiency, Main Power Supply Controllers for Notebook Computers General Description The RT8205A/B/C dual step-down, switch-mode power supply controller generates logic-supply voltages in battery-powered systems. The RT8205A/B/C includes two pulse-width modulation (PWM) controllers fi 文件:497.93 Kbytes 頁(yè)數(shù):28 Pages | RICHTEK 立锜科技 | RICHTEK | ||
High Efficiency, Main Power Supply Controller for Notebook Computer General Description The RT8205L/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 li 文件:405.21 Kbytes 頁(yè)數(shù):26 Pages | 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(kù)存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
RICHTEK |
25+ |
QFN24 |
90000 |
一級(jí)代理商進(jìn)口原裝現(xiàn)貨、價(jià)格合理 |
詢價(jià) | ||
RICHTEK/立锜 |
2447 |
WQFN-24L |
100500 |
一級(jí)代理專營(yíng)品牌!原裝正品,優(yōu)勢(shì)現(xiàn)貨,長(zhǎng)期排單到貨 |
詢價(jià) | ||
Richtek(立崎) |
23+ |
NA |
26094 |
10年以上分銷經(jīng)驗(yàn)原裝進(jìn)口正品,做服務(wù)型企業(yè) |
詢價(jià) | ||
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 |
24+ |
WQFN-24L |
39500 |
進(jìn)口原裝現(xiàn)貨 支持實(shí)單價(jià)優(yōu) |
詢價(jià) | ||
Richtek |
26+ |
原廠原封裝 |
86720 |
全新原裝進(jìn)口現(xiàn)貨價(jià)格優(yōu)惠 本公司承諾原裝正品假一賠 |
詢價(jià) | ||
RICHTEK |
QFN |
1000 |
原裝長(zhǎng)期供貨! |
詢價(jià) | |||
RICHTEK |
25+ |
QFN |
86 |
百分百原裝正品 真實(shí)公司現(xiàn)貨庫(kù)存 本公司只做原裝 可 |
詢價(jià) | ||
RICHTEK |
17+ |
QFN |
6200 |
100%原裝正品現(xiàn)貨 |
詢價(jià) | ||
RICHTEK |
23+ |
QFN |
8560 |
受權(quán)代理!全新原裝現(xiàn)貨特價(jià)熱賣! |
詢價(jià) |
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