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UC3842B/UC3843B数据手册UTC中文资料规格书
UC3842B/UC3843B规格书详情
描述 Description
The UTC UC3842B/3843B are specifically designed for off-line and dc-to-dc converter applications offering the designer a cost-effective solution with minimal external components. The UC3842B has UVLO thresholds 16V (on) and 10V(off), ideally suited for off-line converters. The UC3843B is tailored for lower voltage applications having UVLO thresholds of 8.4V(on) and 7.6V(off).
特性 Features
Trimmed oscillator for precise frequency control
Oscillator frequency guaranteed at 250kHz
Current mode operation to 500kHz
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
技术参数
- 制造商编号
：UC3842B/UC3843B
- 生产厂家
：UTC
- Vcc(Max)
：30V
- Pd
：1250/702mW
- Ic(Io)
：1A
- package
：DIP-8SOP-8
| 供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
ON |
24+ |
SOP14 |
2568 |
原装优势!绝对公司现货 |
询价 | ||
ON |
2016+ |
SOP14 |
6528 |
只做进口原装现货!假一赔十! |
询价 | ||
ON |
24+ |
SOP8 |
30000 |
原装正品公司现货,假一赔十! |
询价 | ||
ST(意法) |
23+ |
NA |
20094 |
正纳10年以上分销经验原装进口正品做服务做口碑有支持 |
询价 | ||
ST |
20+ |
SOP-8 |
2960 |
诚信交易大量库存现货 |
询价 | ||
ST/意法 |
23+ |
SO-8 |
11200 |
原厂授权一级代理、全球订货优势渠道、可提供一站式BO |
询价 | ||
ON |
24+ |
SMD |
6868 |
原装现货,可开13%税票 |
询价 | ||
ST |
23+ |
SOP8 |
12335 |
询价 | |||
ON |
21+ |
SOP8 |
10000 |
只做原装,质量保证 |
询价 | ||
ON |
25+ |
SOP8 |
4500 |
全新原装、诚信经营、公司现货销售! |
询价 |
