UC3842BD中文资料PDF规格书
![UC3842BD](https://oss.114ic.com/img3w/pdf141156.png)
厂商型号 |
UC3842BD |
参数属性 | UC3842BD 封装/外壳为14-SOIC(0.154",3.90mm 宽);包装为管件;类别为集成电路(IC) > PMIC - 稳压器 - DC DC 开关式控制器;产品描述:IC REG CTRLR PWM CM 14-SOIC |
功能描述 | HIGH PERFORMANCE CURRENT MODE CONTROLLERS |
文件大小 |
401.91 Kbytes |
页面数量 |
16 页 |
生产厂商 | Motorola, Inc |
企业简称 |
Motorola |
中文名称 | 摩托罗拉官网 |
原厂标识 | ![]() |
数据手册 | |
更新时间 | 2024-6-16 23:15:00 |
UC3842BD规格书详情
High Performance Current Mode Controllers
The UC3842B, UC3843B series are high performance fixed frequency current mode controllers. They are specifically designed for Off–Line and dc–to–dc converter applications offering the designer a cost–effective solution with minimal 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 totem pole output ideally suited for driving a power MOSFET.
Also included are protective features consisting of input and reference undervoltage lockouts each with hysteresis, cycle–by–cycle current limiting, programmable output deadtime, and a latch for single pulse metering. These devices are available in an 8–pin dual–in–line and surface mount (SO–8) plastic package as well as the 14–pin plastic surface mount (SO–14). The SO–14 package has separate power and ground pins for the totem pole output stage.
The UCX842B has UVLO thresholds of 16 V (on) and 10 V (off), ideally suited for off–line converters. The UCX843B is tailored for lower voltage applications having UVLO thresholds of 8.5 V (on) and 7.6 V (off).
• Trimmed Oscillator for Precise Frequency Control
• Oscillator Frequency Guaranteed at 250 kHz
• Current Mode Operation to 500 kHz
• 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
产品属性
- 产品编号:
UC3842BD
- 制造商:
onsemi
- 类别:
集成电路(IC) > PMIC - 稳压器 - DC DC 开关式控制器
- 包装:
管件
- 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):
96%
- 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(0.154",3.90mm 宽)
- 供应商器件封装:
14-SOIC
- 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 |
---|---|---|---|---|---|---|---|
ON |
23+ |
SOP8 |
30000 |
原装正品公司现货,假一赔十! |
询价 | ||
ON/安森美 |
23+ |
NA/ |
3280 |
原装现货,当天可交货,原型号开票 |
询价 | ||
TI |
2020+ |
SOP8 |
80000 |
只做自己库存,全新原装进口正品假一赔百,可开13%增 |
询价 | ||
TI |
22+ |
SOP8 |
30000 |
原装正品 |
询价 | ||
21+ |
SMD |
35200 |
一级代理分销/放心采购 |
询价 | |||
TI |
2016+ |
SOP8 |
3526 |
假一罚十进口原装现货原盘原标! |
询价 | ||
ON |
SOP |
33784 |
集团化配单-有更多数量-免费送样-原包装正品现货-正规 |
询价 | |||
ST/意法 |
9005 |
SO8STICK100 |
880000 |
明嘉莱只做原装正品现货 |
询价 | ||
ON/安森美 |
SOP8 |
7906200 |
询价 | ||||
ON |
21+ |
SOP8 |
10000 |
只做原装,质量保证 |
询价 |