型号 | 下载 订购 | 功能描述 | 制造商 上传企业 | LOGO |
---|---|---|---|---|
RT8205M | 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 页数:26 Pages | RichTek 立锜科技 | RichTek | |
丝印:EN=**;Package:WQFN-244x4;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 页数:26 Pages | RichTek 立锜科技 | RichTek | ||
丝印:EN**;Package:WQFN-244x4;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 页数:26 Pages | RichTek 立锜科技 | RichTek | ||
RT8205M | 笔记本电脑主电源供应控制器 RT8205L/M 是一款双通道开关模式降压控制器,用于电池供电系统中为逻辑电路部分提供电源供应。它包含了两组输出电压可在 2V~5.5V 调节的 PWM 控制器和两组恒定电压(5V/3.3V)的线性稳压器。每个线性稳压器可以提供 100mA 输出电流,并可自动切换到 PWM 控制器的输出以提高效率。可选的外部电荷泵电路可通过 SECFB 进行监控(仅限于 RT8205M )。RT8205L/M 包含内置的上电时序管理能力、电源正常状态输出和内置软起动电路,还有内置输出软放电功能可以避免关机期间的负电压问题。它所使用的恒定导通时间( COT )模式下的 PWM 控制逻辑无需使用电流检测电阻,在 • 采用 COT 控制架构,具有 100ns 负载瞬态变化响应能力\n• 2V~5.5V 的两路可调输出\n• 恒定的 3.3V 和 5V 线性稳压器输出能力为 100mA\n• 通过 TONSEL 的不同接法可以进行工作频率选择\n• 可程序设计的电流限制和使能控制结合在单一引脚上\n• 内置软起动和软放电功能\n• 5mW 静态功率消耗\n• 符合 RoHS 规范,不含卤素; | Richtek 立锜科技 | Richtek | |
Package:24-WFQFN 裸露焊盘;包装:管件 类别:集成电路(IC) 特殊用途稳压器 描述:IC REG CTRLR NOTEBK 2OUT WQFN-24 | Richtek USA Inc. | Richtek USA Inc. |
技术参数
- 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
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
RICHTEK |
25+ |
QFN |
1882 |
百分百原装正品 真实公司现货库存 本公司只做原装 可 |
询价 | ||
RICHTEK |
17+ |
QFN |
6200 |
100%原装正品现货 |
询价 | ||
RICHTEK |
23+ |
NA |
12000 |
专业电子元器件供应链正迈科技特价代理特价,原装元器件供应,支持开发样品 |
询价 | ||
RICHTEK |
23+ |
QFN |
8650 |
受权代理!全新原装现货特价热卖! |
询价 | ||
RICHTEK |
17+ |
WQFN-24 |
60000 |
保证进口原装可开17%增值税发票 |
询价 | ||
RICHTEK |
QFN |
6688 |
15 |
现货库存 |
询价 | ||
RICHTEK/立锜 |
24+ |
WQFN4X4-24 |
78741 |
原装正品现货供应 |
询价 | ||
RICHTEK |
ROHS+Original |
NA |
12000 |
专业电子元器件供应链/QQ 350053121 /正纳电子 |
询价 | ||
RICHTEK |
24+ |
QFN24 |
65200 |
一级代理/放心采购 |
询价 | ||
RICHTEK/立锜 |
24+ |
WQFN-24 |
9000 |
原厂原装代理现货 |
询价 |
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