UC3945BD中文資料安森美半導體數(shù)據(jù)手冊PDF規(guī)格書
UC3945BD規(guī)格書詳情
The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off?Line and dc?dc converter applications offering the designer a cost?effective solution with minimal external components. These integrated circuits feature an oscillator, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.
Features
? Trimmed Oscillator for Precise Frequency Control
? Oscillator Frequency Guaranteed at 250 kHz
? Current Mode Operation to 500 kHz Output Switching Frequency
? Output Deadtime Adjustable from 50 to 70
? Automatic Feed Forward Compensation
? Latching PWM for Cycle?By?Cycle Current Limiting
? Internally Trimmed Reference with Undervoltage Lockout
? High Current Totem Pole Output
? Undervoltage Lockout with Hysteresis
? Low Startup and Operating Current
? Pb?Free Packages are Available
| 供應商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
TI |
23+ |
NA |
20000 |
詢價 | |||
UC |
24+ |
SSOP |
7500 |
絕對原裝自家現(xiàn)貨!真實庫存!歡迎來電! |
詢價 | ||
TI |
893993 |
全新原裝,支持實單,非誠勿擾 |
詢價 | ||||
UC |
22+ |
DIP8 |
25000 |
只做原裝,原裝,假一罰十 |
詢價 | ||
N/A |
23+ |
DIP |
11200 |
原廠授權一級代理、全球訂貨優(yōu)勢渠道、可提供一站式BO |
詢價 | ||
TI |
23+ |
CAN |
1557 |
優(yōu)勢庫存 |
詢價 | ||
TI |
23+ |
5000 |
全新原裝,支持實單,非誠勿擾 |
詢價 | |||
UC |
2447 |
SOP |
100500 |
一級代理專營品牌!原裝正品,優(yōu)勢現(xiàn)貨,長期排單到貨 |
詢價 | ||
TI/德州儀器 |
24+ |
TSSOP |
15000 |
全新原裝現(xiàn)貨假一賠十 |
詢價 | ||
UC |
SMD-8 |
100 |
全新原裝 絕對有貨 |
詢價 |
