UC3943數(shù)據(jù)手冊集成電路(IC)的電壓基準規(guī)格書PDF

廠商型號 |
UC3943 |
參數(shù)屬性 | UC3943 封裝/外殼為8-SOIC(0.154",3.90mm 寬);包裝為卷帶(TR);類別為集成電路(IC)的電壓基準;產品描述:IC VREF SHUNT ADJ 0.39% 8SOIC |
功能描述 | HIGH PERFORMANCE CURRENT MODE CONTROLLERS |
封裝外殼 | 8-SOIC(0.154",3.90mm 寬) |
制造商 | UTC Unisonic Technologies |
中文名稱 | 友順 友順科技股份有限公司 |
數(shù)據(jù)手冊 | |
更新時間 | 2025-8-21 22:58:00 |
人工找貨 | UC3943價格和庫存,歡迎聯(lián)系客服免費人工找貨 |
UC3943規(guī)格書詳情
描述 Description
The UTC UC3943 is specifically designed for off-line anddc-to-dc converter applications offering the designer acost-effective solution with minimal external components.The UTC UC3943 has UVLO thresholds 8.4V (on) and7.6V(off), ideally suited for off-line converters.
特性 Features
With burstmode for lower standby power With greenmode for higher light load efficiency Oscillator frequency guaranteed at 250kHz 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
技術參數(shù)
- 制造商編號
:UC3943
- 生產廠家
:UTC
- Vcc(MAX)(V)
:30
- Vcc(ON)(TYP)(V)
:8.4
- Vcc(OFF)(TYP)(V)
:7.6
- Freq.(TYP)(KHz)
:-
- Freq.(MXA)(KHz)
:250
- Duty Cycle%
:96
- Start-up current(mA)
:0.25
- Operatingcurrent(mA)
:12
- BVDSS (MIN)(V)
:-
- RDS(on)(MAX)(Ω)
:-
- Package
:SOP-8
供應商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
---|---|---|---|---|---|---|---|
TI |
2016+ |
SOP8 |
2933 |
只做原裝,假一罰十,公司可開17%增值稅發(fā)票! |
詢價 | ||
UC/TI |
22+ |
SOP-8 |
100000 |
代理渠道/只做原裝/可含稅 |
詢價 | ||
TI |
24+ |
SOP8 |
20000 |
全新原廠原裝,進口正品現(xiàn)貨,正規(guī)渠道可含稅?。?/div> |
詢價 | ||
UC |
23+ |
SOP |
7000 |
絕對全新原裝!100%保質量特價!請放心訂購! |
詢價 | ||
TI/德州儀器 |
23+ |
SOIC8 |
9990 |
正規(guī)渠道,只有原裝! |
詢價 | ||
UC |
25+ |
SOP8 |
4500 |
全新原裝、誠信經營、公司現(xiàn)貨銷售! |
詢價 | ||
Unitro |
25+ |
25000 |
原廠原包 深圳現(xiàn)貨 主打品牌 假一賠百 可開票! |
詢價 | |||
UC |
95+ |
SOP |
5 |
全新原裝 絕對有貨 |
詢價 | ||
TI |
22+ |
NA |
500000 |
萬三科技,秉承原裝,購芯無憂 |
詢價 | ||
TI |
20+ |
8-DIP |
65790 |
原裝優(yōu)勢主營型號-可開原型號增稅票 |
詢價 |