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UC2844B中文资料
UC2844B数据手册规格书PDF详情
DESCRIPTION
The UC384xB family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under voltage lockout featuring start-up current less than 0.5mA, a precision reference trimmed for accuracy at the error amp input, logic to insure latched operation, a PWM comparator which also provides current limit control, and a totem pole output stage designed to source or sink high peak current. The output stage, suitable for driving N-Channel MOSFETs, is low in the offstate.
■ 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 START-UP AND OPERATING CURRENT
UC2844B产品属性
- 类型
描述
- 型号
UC2844B
- 制造商
ONSEMI
- 制造商全称
ON Semiconductor
- 功能描述
HIGH PERFORMANCE CURRENT MODE CONTROLLERS
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
STMICROELECTRONICS |
21+ |
标准封装 |
100 |
保证原装正品,需要联系张小姐 13544103396 微信同号 |
|||
STMICROELECTRONICS |
24+ |
con |
2500 |
优势库存,原装正品 |
|||
STMICROELECTRONICS |
54 |
||||||
ON |
2019+ |
SOP8 |
20000 |
十年品质,只做原装,假一罚十,公司可开增值税发票,欢迎采购! |
|||
ON/安森美 |
19+ |
SOP8 |
20000 |
进口原装,优势现货 |
|||
ON |
22+ |
SOIC-8 |
7500 |
原装正品可支持验货,欢迎咨询 |
|||
ON(安森美) |
24+ |
标准封装 |
31048 |
全新原装正品/价格优惠/质量保障 |
|||
ON/安森美 |
24+ |
SOP-8 |
90125 |
郑重承诺只做原装进口现货 |
|||
ON/安森美 |
24+ |
DIP-8 |
10000 |
只做原装欢迎含税交易,假一赔十,放心购买 |
|||
ST/意法 |
25+ |
SOP-8 |
32000 |
ST/意法全新特价UC2844BD1013TR即刻询购立享优惠#长期有货 |
UC2844BNG 价格
参考价格:¥1.2115
UC2844B 资料下载更多...
UC2844B相关电子新闻
UC2844BD1R2G 是安森美(ON Semiconductor)推出的一款高性能固定频率电流模式脉宽调制(PWM)控制器。
UC2844BD1R2G 是安森美(ON Semiconductor)推出的一款高性能固定频率电流模式脉宽调制(PWM)控制器。
2025-7-18UC2844BD1R2G
造商: ON Semiconductor 最小工作温度: - 25 C 产品种类: 开关控制器 最大工作温度: + 85 C 拓扑结构: Boost, Flyback 安装风格: SMD/SMT 输出端数量: 1 Output 封装 / 箱体: SOIC-8 开关频率: 500 kHz 系列: UC2844B 占空比 - 最大: 0.48 下降时间: 50 ns 输出电压: 4.95 V to 5.05 V 工作电源电压: 30 V 输出电流
2021-10-16UC2844BD1R2G公司原装现货
瀚佳科技(深圳)有限公司 专业进口电子元器件代理商
2019-10-28UC2844BD1R2G,PMIC-稳压器-DCDC切换控制器
UC2844BD1R2G,PMIC-稳压器-DCDC切换控制器
2019-10-23
UC2844B 芯片相关型号
- 22-28-2126
- 22-28-2156
- 42226-0154
- CJF3055NPN
- CNL639
- CSC3280F
- P10DU-127R2ELF
- P10DU-243R3ELF
- P10DUI-050505ZLF
- P10DUI-240515ZLF
- P10FG_14
- P10FG-1224E21LF
- P10FG-123R3E21LF
- P10FG-483R3E21LF
- P10GG-1209ELF
- P10IU-1218ELF
- P10IU-2418ELF
- P6AU-243R3ELF
- P6CU-127R2ELF
- P6CUI_14
- P6FG-4815E21LF
- P6KU-0505ZLF
- P6KU-0515ZLF
- P6KU-053R3ZLF
- P6MG-1205ELF
- P8GG-0524ELF
- P8IU-1205ELF
- P8KU-2405ELF
- P8TG-4809Z21LF
- RMS
STMICROELECTRONICS相关芯片制造商
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