| 型號(hào) | 下載 訂購 | 功能描述 | 制造商 上傳企業(yè) | LOGO |
|---|---|---|---|---|
RT8253A | 3A, 23V, 340kHz Synchronous Step-Down Converter General Description The RT8253A is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 3A output current from a 4.5V to 23V input supply. The RT8253As current mode architecture and external compensation allow the transient response to be optimized over a wid 文件:227.68 Kbytes 頁數(shù):15 Pages | RICHTEK 立锜科技 | RICHTEK | |
RT8253A | 3A, 23V, 340kHz同步降壓型轉(zhuǎn)換器 RT8253A是一個(gè)高效率,單片同步降壓型DC / DC轉(zhuǎn)換器,在4.5V至23V的輸入電源下可提供高達(dá)3A的輸出電流。RT8253A的電流模式架構(gòu)和外部補(bǔ)償使得在很寬范圍的負(fù)載及輸出電容中,都可得到最佳的瞬態(tài)響應(yīng)。逐周期電流限制保護(hù)元件不受輸出短路影響,軟啟動(dòng)功能可在啟動(dòng)過程中防止了輸入電流過沖。故障保護(hù)包括輸出欠壓保護(hù)和過熱保護(hù)。低電流 (<3μA) 消耗之電源關(guān)閉模式會(huì)將輸出關(guān)閉,有助于電池供電系統(tǒng)的電源管理。RT8253A提供SOP- 8 (裸露焊盤)封裝。 ? ±1.5% 高精確度回饋電壓 \n? 3A輸出電流 \n? 電流模式控制\n? 輸出電壓可調(diào):0.8V至20V \n? 可調(diào)軟啟動(dòng)\n? 逐周期過電流保護(hù)\n? 輸出欠壓保護(hù)\n? 符合RoHS規(guī)范與無鹵特性; | Richtek 立锜科技 | Richtek | |
3A, 23V, 1.2MHz Synchronous Step-Down Converter General Description The RT8253B is a high-efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 3A output current from a 4.5V to 23V input supply. The RT8253Bs current mode architecture and external compensation allow the transient response to be optimized over a wid 文件:205.9 Kbytes 頁數(shù):15 Pages | RICHTEK 立锜科技 | RICHTEK | ||
BATTERY PROTECTION IC FOR 2-SERIAL OR 3-SERIAL-CELL PACK 文件:596.73 Kbytes 頁數(shù):32 Pages | SII 精工愛普生 | SII | ||
BATTERY PROTECTION IC FOR 2-SERIAL OR 3-SERIAL-CELL PACK 文件:596.73 Kbytes 頁數(shù):32 Pages | SII 精工愛普生 | SII |
技術(shù)參數(shù)
- Vin(min)(V):
4.5
- Vin(max)(V):
23
- Number of Outputs:
1
- Vout(min)(V):
0.8
- Vout(max)(V):
20
- Output Adj. Method:
Resistor
- Iout(max)(A):
3
- Current Limit(typ)(A):
5.8
- Freq(typ)(kHz):
340
- Ext Sync:
No
- Ron_HS(typ)(mOhm):
85
- Ron_LS(typ)(mOhm):
85
- Iq(typ)(mA):
0.8
- Features:
Adjustable Soft-Start;Current Mode Control;Cycle-by-Cycle Current Limit;Enable Input;Force PWM;OCP;OTP;PSM;Stable with Ceramic Capacitor;UVP
- Package Type:
PSOP-8
| 供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
RICHTEK/立锜 |
24+ |
PSOP-8 |
78741 |
原裝正品現(xiàn)貨供應(yīng) |
詢價(jià) | ||
立锜 |
24+ |
PSOP-8 |
36500 |
原裝現(xiàn)貨/放心購買 |
詢價(jià) | ||
RICHTEK |
2016+ |
SOP8 |
4095 |
只做原裝,假一罰十,公司可開17%增值稅發(fā)票! |
詢價(jià) | ||
RICHTEK |
17+ |
SOP8 |
6200 |
100%原裝正品現(xiàn)貨 |
詢價(jià) | ||
RICHTEK |
23+ |
SOP8 |
8650 |
受權(quán)代理!全新原裝現(xiàn)貨特價(jià)熱賣! |
詢價(jià) | ||
RICHTEK |
25+ |
SOP8 |
90000 |
一級(jí)代理商進(jìn)口原裝現(xiàn)貨、價(jià)格合理 |
詢價(jià) | ||
RICHTEK |
25+ |
SOP-8 |
9500 |
百分百原裝正品 真實(shí)公司現(xiàn)貨庫存 本公司只做原裝 可 |
詢價(jià) | ||
Richtek |
三年內(nèi) |
SOP8 |
1983 |
只做原裝正品 |
詢價(jià) | ||
RICHTEK/立锜 |
25+ |
SOP8 |
15000 |
全新原裝現(xiàn)貨,價(jià)格優(yōu)勢(shì) |
詢價(jià) | ||
RICHTEK/立錡 |
2447 |
SOP8 |
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) |
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