01 / 产品信息
产品概述
onsemi UC2843BD1R2G（电源管理-AC/DC PWM控制器）适用于系统稳压、电池充电与电源转换等场景。原装正品保障，电气特性与引脚封装以官方 Datasheet 为准。欢迎咨询报价、索取样品与现货库存。
- 厂商
- 安森美
- 型号
- UC2843BD1R2G
- 品类
- 电源管理-AC/DC PWM控制器
- 封装
- SOIC-8
- 包装
- 卷盘
- 成色
- 全新原装
- 合规
- Pb-Free
- 生命周期
- 与原厂确认
- 交期 / 最小起订量
- 以报价为准
02 / 技术资料
技术参数
31 项结构与连接
- Output Energy (Capacitive Load per Cycle)
- 5.0 mJ
- Maximum Power Dissipation @ TA = 25°C
- 862 mW
- Line Regulation (VCC = 12 V to 25 V) Regline
- 2.0
- Load Regulation (IO = 1.0 mA to 20 mA) Regload
- 3.0
- Long Term Stability (TA = 125°C for 1000 Hours)
- 5.0
- Unity Gain Bandwidth (TJ = 25°C)
- 0.7
- Power Supply Rejection Ratio (VCC = 12 V to 25 V)
- 60
- Sink (VO = 1.1 V, VFB = 2.7 V) ISink
- 2.0
- Source (VO = 5.0 V, VFB = 2.3 V) ISource
- −0.5
- High State (RL = 15 k to ground, VFB = 2.3 V)
- 5.0
- UC2843D, UC284XB
- 2.85
- High State (ISource = 20 mA) UC284XB, UC384XB
- 13
- UCX843B, BV
- 7.8
- Maximum UC284XB, UC384XB, UC2843D DC(ma
- 94
- Power Supply Rejection Ratio (VCC = 12 V to 25 V, Note 5)
- 70 dB
性能与环境
- Total Power Supply and Zener Current (ICC + IZ)
- 30 mA
- Output Current, Source or Sink
- 1.0 A
- Error Amp Output Sink Current
- 10 mA
- Thermal Resistance, Junction−to−Air RqJA
- 145 °C/W
- Operating Junction Temperature
- +150 °C
- Reference Output Voltage (IO = 1.0 mA, TJ = 25°C) Vref
- 4.95
- Temperature Stability
- 0.2
- Output Noise Voltage (f = 10 Hz to 10 kHz, TJ = 25°C) Vn
- 50
- Output Short Circuit Current
- −30
- Frequency Change with Voltage (VCC = 12 V to 25 V) DfOSC/DV
- 0.2
- Oscillator Voltage Swing (Peak−to−Peak)
- 1.6
- Voltage Feedback Input (VO = 2.5 V) UC284XB
- 2.45
- Input Bias Current (VFB = 5.0 V)
- −0.1
- Open Loop Voltage Gain (VO = 2.0 V to 4.0 V)
- 65
- Power Supply Zener Voltage (ICC = 25 mA)
- 30
- Input Bias Current
- −2.0 mA
03 / 原厂资料
规格与文档
请使用原厂官方文档，在设计定稿前核对电气特性、封装尺寸与工作限值。
请确认当前库存、生产日期代码、包装、价格与交货条款。产品信息不构成约束性报价，最终规格以报价为准。