| 型號 | 下載 訂購 | 功能描述 | 制造商 上傳企業(yè) | LOGO |
|---|---|---|---|---|
RT8223N | High Efficiency, Main Power Supply Controller for Notebook Computer General Description The RT8223N 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. Feat 文件:370.41 Kbytes 頁數(shù):23 Pages | RICHTEK 立锜科技 | RICHTEK | |
RT8223N | 筆記本電腦主電源供應(yīng)控制器 RT8223N 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。每個線性穩(wěn)壓器可以提供 100mA 輸出電流,并可自動切換到 PWM 控制器的輸出以提高效率。RT8223N 包含內(nèi)置的上電時序管理能力、電源正常狀態(tài)輸出和內(nèi)置軟起動電路,還有內(nèi)置輸出軟放電功能可以避免關(guān)機期間的負電壓問題。它所使用的恒定導(dǎo)通時間( COT )模式下的 PWM 控制邏輯無需使用電流檢測電阻,在負載發(fā)生瞬態(tài)變化時具有 100ns 的響應(yīng)速度,同時還能維持基本恒定的開關(guān)切換工作頻率 ? 采用 COT 控制架構(gòu),具有 100ns 負載瞬態(tài)變化響應(yīng)能力\n? 寬輸入電壓范圍:6V~25V\n? 2V~5.5V 的兩路可調(diào)輸出\n? 恒定的 3.3V 和 5V 線性穩(wěn)壓器輸出能力為 100mA\n? 2V 參考電壓\n? 通過 TONSEL 的不同接法可以進行工作頻率選擇\n? 通過 RDS(ON) 進行的電流檢測具有4700ppm/°C 的溫度補償\n? 可程序設(shè)計的電流限制和使能控制結(jié)合在單一引腳上\n? 有PWM、DEM和超聲工作模式可供選擇\n? 內(nèi)置軟起動和軟放電功能\n? 效率高達 97%\n? 5mW 靜態(tài)功率消耗\n? 過熱關(guān)機保護\n? 符合 RoHS; | Richtek 立锜科技 | Richtek | |
High Efficiency, Main Power Supply Controller for Notebook Computer General Description The RT8223P 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:311.85 Kbytes 頁數(shù):23 Pages | RICHTEK 立锜科技 | RICHTEK | ||
High Efficiency, Main Power Supply Controller for Notebook Computer General Description The RT8223P 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:311.85 Kbytes 頁數(shù):23 Pages | RICHTEK 立锜科技 | RICHTEK | ||
BATTERY PROTECTION IC FOR 2-SERIAL / 3-SERIAL CELL PACK (SECONDARY PROTECTION) 文件:2.29683 Mbytes 頁數(shù):30 Pages | SII 精工愛普生 | SII |
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):
250;313
- Freq(min)(kHz):
200
- Freq(max)(kHz):
375
- 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 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
RICHTEK |
23+ |
QFN24 |
8650 |
受權(quán)代理!全新原裝現(xiàn)貨特價熱賣! |
詢價 | ||
原裝RICHTEK |
19+ |
QFN-24 |
20000 |
原裝現(xiàn)貨假一罰十 |
詢價 | ||
RICHTEK/立锜 |
24+ |
WQFN-24L |
35689 |
原裝正品現(xiàn)貨供應(yīng) |
詢價 | ||
原裝RICHTEK |
24+ |
QFN-24 |
63200 |
一級代理/放心采購 |
詢價 | ||
RICHTEK/立锜 |
23+ |
QFN |
50000 |
全新原裝正品現(xiàn)貨,支持訂貨 |
詢價 | ||
RICHTEK/立锜 |
23+ |
QFN24 |
11200 |
原廠授權(quán)一級代理、全球訂貨優(yōu)勢渠道、可提供一站式BO |
詢價 | ||
RICHTEK |
23+ |
QFN |
802 |
全新原裝正品現(xiàn)貨,支持訂貨 |
詢價 | ||
RICHTEK/立锜 |
24+ |
QFN |
60000 |
全新原裝現(xiàn)貨 |
詢價 | ||
RICHTEK/立锜 |
25+ |
QFN-24 |
54648 |
百分百原裝現(xiàn)貨 實單必成 |
詢價 | ||
RICHTEK |
2450+ |
QFN |
6540 |
只做原廠原裝正品終端客戶免費申請樣品 |
詢價 |
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