UC3842D中文资料PDF规格书
UC3842D规格书详情
Description
The UC3842/UC3843/UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They are specially designed for Off-Line and DC to DC converter applications with minimum external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator and a high current totempole output for driving a Power MOSFET. The UC3842 and UC3844 have UVLO thresholds of 16V (on) and 10V (off). The UC3843 and UC3845 are 8.5V(on) and 7.9V (off). The UC3842 and UC3843 can operate within 100 duty cycle. The UC3844 and UC3845 can operate with 50 duty cycle.
Features
• Low Start up Current
• Maximum Duty Clamp
• UVLO With Hysteresis
• Operating Frequency up to 500KHz
产品属性
- 产品编号:
UC3842D
- 制造商:
onsemi
- 类别:
集成电路(IC) > DC-DC 开关控制器
- 包装:
卷带(TR)
- 输出类型:
晶体管驱动器
- 功能:
升压,升压/降压
- 输出配置:
正,可提供隔离
- 拓扑:
反激,升压
- 输出阶段:
1
- 电压 - 供电 (Vcc/Vdd):
10V ~ 30V
- 频率 - 开关:
最高 500kHz
- 占空比(最大):
97%
- 同步整流器:
无
- 时钟同步:
无
- 控制特性:
频率控制
- 工作温度:
0°C ~ 70°C(TA)
- 安装类型:
表面贴装型
- 封装/外壳:
14-SOIC(0.209",5.30mm 宽)
- 供应商器件封装:
14-SOP
- 描述:
IC REG CTRLR PWM CM 14-SOIC
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
PHILIPS |
1305+ |
SOP |
12000 |
公司特价原装现货 |
询价 | ||
2015 |
21+ |
FSC |
161 |
原装现货。假一赔十 |
询价 | ||
PHILIPS |
2023+ |
SOP |
80000 |
一级代理/分销渠道价格优势 十年芯程一路只做原装正品 |
询价 | ||
TI |
SOP14 |
01+ |
22 |
全新原装进口自己库存优势 |
询价 | ||
TI |
22 |
SOP14 |
39890 |
3月31原装,微信报价 |
询价 | ||
TI |
22+ |
SOIC (D) |
6000 |
原厂原装,价格优势!13246658303 |
询价 | ||
TI/德州仪器 |
21+ |
SOIC-14 |
13880 |
公司只售原装,支持实单 |
询价 | ||
Texas |
21+ |
25000 |
原厂原包 深圳现货 主打品牌 假一赔百 可开票! |
询价 | |||
TI(德州仪器) |
2021+ |
SOIC-14 |
499 |
询价 | |||
TI/德州仪器 |
22+/23+ |
SOP-14 |
9800 |
原装进口公司现货假一赔百 |
询价 |
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