01 / 产品信息
产品概述
UCC28C41 是一款 BiCMOS 电流模式 PWM 控制器，引脚兼容 UC284x 系列，具有 7 V 启动、50 uA 启动电流与最高 1 MHz 工作及 ±1% 基准。-Q1 车规级工作温度 -40°C 至 +125°C，采用 8 引脚 SOIC 封装，用于汽车与工业电源的隔离与单端 DC-DC 转换器。
- 厂商
- TI
- 型号
- UCC28C41QDRQ1
- 品类
- 电源管理芯片
- 封装
- SOIC-8
- 包装
- 卷带
- 成色
- 全新原装
- 合规
- 符合 RoHS
- 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
43 项结构与连接
- Output energy (capacitive load)
- 5 µJ
- D package
- 72.3
- DGK package
- 98.1
- Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001
- ±2500
- UCC28C4x
- 125
- UCC38C4x
- 85
- Line regulation VVDD = 12V to 18V
- 0.2 mV
- Load regulation 1mA to 20mA
- 3 mV
- Total output variation See
- 5.18 V
- Long term stability 1000 hours, TJ = 125°C, see
- 5 mV
- fOSC Initial accuracy TJ = 25°C, see
- 53 kHz
- ACS Gain See (5)
- 3 V/V
- VCS Maximum input signal VFB < 2.4V
- 1 V
- PSRR Power supply rejection ratio VVDD = 12V to 18V(2)
- 70 dB
- tD CS to output delay
- 35 ns
- COMP to CS offset VCS = 0V
- 1.15 V
- VOUT(low) RDS(on) pulldown ISINK = 200mA
- 5.5 Ω
- VOUT(high) RDS(on) pullup ISOURCE = 200mA
- 10 Ω
- tRISE Rise tIme TJ = 25°C, COUT = 1nF
- 25 ns
- tFALL Fall tIme TJ = 25°C, COUT = 1nF
- 20 ns
- UCCx8C42, UCCx8C44
- 14.5
- VDDON Start threshold UCCx8C43, UCCx8C45
- 8.4 V
性能与环境
- Input voltage
- 20 V
- Input current
- 30 mA
- Output drive current (peak)
- ±1 A
- Analog input voltage COMP, CS, FB
- 6.3
- Output driver voltage
- 20 V
- Reference voltage
- 7
- Error amplifier output sink current
- 10 mA
- Lead temperature (soldering, 10 s)
- 300 °C
- Operating junction temperature
- 150 °C
- Storage temperature, Tstg
- 150 °C
- VVDD Input voltage
- 18 V
- VOUT Output driver voltage
- 18 V
- VREF Maximum continuous voltage from external circuitry
- 5.5 V
- IOUT Average output driver current (source and sink)
- 200 mA
- IOUT(VREF) Reference output current (source)
- 20 mA
- VVREF VREF voltage, initial accuracy TJ = 25°C, IOUT = 1mA
- 5 V
- Temperature stability See
- 0.2 °C
- VREF noise voltage 10Hz to 10kHz, TJ = 25°C, see
- 50 µV
- IVREF Output short circuit (source current)
- 45 mA
- Voltage stability 12V ≤ VVDD ≤18V
- 1%
- ICS Input bias current (source current)
- 0.1 µA
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。