- 封装:8-SOIC(0.154",3.90mm 宽)
- RoHS:无铅 / 符合限制有害物质指令(RoHS)规范要求
- 包装方式:带卷 (TR)
- 参考价格:$3.835
更新日期:2024-04-01
产品简介:增强型产品电流模式 Pwm 控制器
查看详情- 封装:8-SOIC(0.154",3.90mm 宽)
- RoHS:无铅 / 符合限制有害物质指令(RoHS)规范要求
- 包装方式:带卷 (TR)
- 参考价格:$3.835
UC1845AMDREPG4 供应商
- 公司
- 型号
- 品牌
- 封装/批号
- 数量
- 地区
- 日期
- 说明
- 询价
-
TI
-
原厂原装
22+ -
3288
-
上海市
-
-
-
一级代理原装
UC1845AMDREPG4 中文资料属性参数
- 标准包装:2,500
- 类别:集成电路 (IC)
- 家庭:PMIC - 稳压器 - DC DC 切换控制器
- 系列:-
- PWM 型:电流模式
- 输出数:1
- 频率 - 最大:500kHz
- 占空比:50%
- 电源电压:8.2 V ~ 25 V
- 降压:无
- 升压:是
- 回扫:是
- 反相:无
- 倍增器:无
- 除法器:无
- Cuk:无
- 隔离:无
- 工作温度:-55°C ~ 125°C
- 封装/外壳:8-SOIC(0.154",3.90mm 宽)
- 包装:带卷 (TR)
产品特性
- Controlled Baseline
- One Assembly/Test Site, One Fabrication Site
- Extended Temperature Performance of 55°C to 125°C
- Enhanced Diminishing Manufacturing Sources (DMS) Support
- Enhanced Product Change Notification
- Qualification Pedigree(1)
- Optimized for Off-line and DC-to-DC Converters
- Low Start Up Current (<0.5 mA)
- Trimmed Oscillator Discharge Current
- Automatic Feed Forward Compensation
- Pulse-by-Pulse Current Limiting
- Enhanced Load Response Characteristics
- Under-Voltage Lockout With Hysteresis
- Double Pulse Suppression
- High Current Totem Pole Output
- Internally Trimmed Bandgap Reference
- 500 kHz Operation
- Low RO Error Amp
产品概述
The UC1842A/3A/4A/5A family of control ICs is a pin-for-pin compatible improved version of the UC3842/3/4/5
family. Providing the necessary features to control current mode switched mode power supplies, this family has
the following improved features. Start up current is guaranteed to be less than 0.5 mA. Oscillator discharge is
trimmed to 8.3 mA. During under voltage lockout, the output stage can sink at least 10 mA at less than 1.2 V
for VCC over 5 V.
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