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數(shù)據(jù): TPS549B22 1.5V 至 18V VIN,4.5V 至 22V VDD,具有全差動傳感功能和 PMBus 的 25A SWIFT? 同步降壓轉(zhuǎn)換器 數(shù)據(jù)表
TPS549B22器件是一款緊湊型單通道降壓轉(zhuǎn)換器,具有自適應(yīng)導(dǎo)通時(shí)間D-CAP3模式控制。該器件專為高精度,高效率,快速瞬態(tài)響應(yīng),易于使用,外部組件較少且空間受限的電源系統(tǒng)而設(shè)計(jì)。
該器件采用全差動傳感和TI的集成FET,高側(cè)導(dǎo)通電阻為4.1mΩ,低側(cè)導(dǎo)通電阻為1.9mΩ。此外,該器件還具有0.5%的精度和0.9V基準(zhǔn)電壓,環(huán)境溫度范圍介于-40°C和+ 125°C之間。其競爭優(yōu)勢包括:超低的外部組件數(shù),精準(zhǔn)的負(fù)載和線路調(diào)節(jié),自動跳頻或FCCM工作模式以及內(nèi)部軟啟動控制。
TPS549B22器件采用7mm×5mm,40引腳,LQFN- CLIP(RVF)封裝(RoHs豁免)。
< small>所有商標(biāo)均為其各自所有者的財(cái)產(chǎn)。
| ? |
|---|
| Vin (Min) (V) |
| Vin (Max) (V) |
| Vout (Min) (V) |
| Vout (Max) (V) |
| Iout (Max) (A) |
| Regulated Outputs (#) |
| Switching Frequency (Min) (kHz) |
| Switching Frequency (Max) (kHz) |
| Iq (Typ) (mA) |
| Features |
| Control Mode |
| Duty Cycle (Max) (%) |
| Operating Temperature Range (C) |
| Rating |
| Package Group |
| ? |
| TPS549B22 | TPS53355 | TPS548B22 | TPS549D22 | TPS56121 |
|---|---|---|---|---|
| 1.5 ? ? | 1.5 ? ? | 1.5 ? ? | 1.5 ? ? | 4.5 ? ? |
| 18 ? ? | 15 ? ? | 18 ? ? | 16 ? ? | 14 ? ? |
| 0.6 ? ? | 0.6 ? ? | 0.6 ? ? | 0.6 ? ? | 0.6 ? ? |
| 5.5 ? ? | 5.5 ? ? | 5.5 ? ? | 5.5 ? ? | 12 ? ? |
| 25 ? ? | 30 ? ? | 25 ? ? | 40 ? ? | 15 ? ? |
| 1 ? ? | 1 ? ? | 1 ? ? | 1 ? ? | 1 ? ? |
| 315 ? ? | 250 ? ? | 425 ? ? | 315 ? ? | 300 ? ? |
| 1125 ? ? | 1000 ? ? | 1050 ? ? | 1125 ? ? | 1000 ? ? |
| 2 ? ? | 0.32 ? ? | 2 ? ? | 2 ? ? | 2.5 ? ? |
| Adjustable Current Limit Dynamic Voltage Scaling Enable Light Load Efficiency Output Discharge Over Current Protection PMBus Power Good Pre-Bias Start-Up Remote Sense Synchronous Rectification UVLO Adjustable Voltage Margining ? ? | Adjustable Current Limit Enable Light Load Efficiency Power Good Pre-Bias Start-Up Synchronous Rectification ? ? | Adjustable Current Limit Enable Light Load Efficiency Output Discharge Power Good Pre-Bias Start-Up Remote Sense Synchronous Rectification UVLO Adjustable ? ? | Adjustable Current Limit Dynamic Voltage Scaling Enable Light Load Efficiency PMBus Power Good Pre-Bias Start-Up Remote Sense Synchronous Rectification Tracking UVLO Adjustable Voltage Margining ? ? | Adjustable Current Limit Enable Power Good Pre-Bias Start-Up Synchronous Rectification ? ? |
| D-CAP3 ? ? | D-CAP ? ? | D-CAP3 ? ? | D-CAP3 ? ? | Voltage Mode ? ? |
| 80 ? ? | 90 ? ? | 80 ? ? | 80 ? ? | 93 ? ? |
| -40 to 125 ? ? | -40 to 85 ? ? | -40 to 125 ? ? | -40 to 85 ? ? | -40 to 125 ? ? |
| Catalog ? ? | Catalog ? ? | Catalog ? ? | Catalog ? ? | Catalog ? ? |
| LQFN-CLIP ? ? | LSON-CLIP ? ? | LQFN-CLIP ? ? | LQFN-CLIP ? ? | LSON-CLIP ? ? |