型号 | UC3874QTR-1 | UC2874DWTR-1 | UC3874DWTR-2 | UC2874Q-1 |
---|---|---|---|---|
描述 | 1A SWITCHING CONTROLLER, 300kHz SWITCHING FREQ-MAX, PQCC20, PLASTIC, LCC-20 | 1A SWITCHING CONTROLLER, 300kHz SWITCHING FREQ-MAX, PDSO18, PLASTIC, SOIC-18 | 1A SWITCHING CONTROLLER, 300kHz SWITCHING FREQ-MAX, PDSO18, PLASTIC, SOIC-18 | High Efficiency, Synchronous, Step-down (Buck) Controllers 20-PLCC -40 to 85 |
厂商名称 | Texas Instruments(德州仪器) | Texas Instruments(德州仪器) | Texas Instruments(德州仪器) | Texas Instruments(德州仪器) |
零件包装代码 | QLCC | SOIC | SOIC | QLCC |
包装说明 | QCCJ, LDCC20,.4SQ | SOP, SOP18,.4 | SOP, SOP18,.4 | QCCJ, LDCC20,.4SQ |
针数 | 20 | 18 | 18 | 20 |
Reach Compliance Code | not_compliant | unknown | unknown | not_compliant |
ECCN代码 | EAR99 | EAR99 | EAR99 | EAR99 |
模拟集成电路 - 其他类型 | SWITCHING CONTROLLER | SWITCHING CONTROLLER | SWITCHING CONTROLLER | SWITCHING CONTROLLER |
控制模式 | CURRENT-MODE | CURRENT-MODE | CURRENT-MODE | CURRENT-MODE |
控制技术 | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION |
最大输入电压 | 24 V | 24 V | 24 V | 36 V |
最小输入电压 | 12 V | 12 V | 12 V | 12 V |
标称输入电压 | 12 V | 12 V | 12 V | 12 V |
JESD-30 代码 | S-PQCC-J20 | R-PDSO-G18 | R-PDSO-G18 | S-PQCC-J20 |
长度 | 8.965 mm | 11.55 mm | 11.55 mm | 8.965 mm |
功能数量 | 1 | 1 | 1 | 1 |
端子数量 | 20 | 18 | 18 | 20 |
最高工作温度 | 70 °C | 85 °C | 70 °C | 85 °C |
最大输出电流 | 1 A | 1 A | 1 A | 1 A |
封装主体材料 | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
封装代码 | QCCJ | SOP | SOP | QCCJ |
封装等效代码 | LDCC20,.4SQ | SOP18,.4 | SOP18,.4 | LDCC20,.4SQ |
封装形状 | SQUARE | RECTANGULAR | RECTANGULAR | SQUARE |
封装形式 | CHIP CARRIER | SMALL OUTLINE | SMALL OUTLINE | CHIP CARRIER |
认证状态 | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
座面最大高度 | 4.57 mm | 2.65 mm | 2.65 mm | 4.57 mm |
表面贴装 | YES | YES | YES | YES |
切换器配置 | PUSH-PULL | PUSH-PULL | PUSH-PULL | PUSH-PULL |
最大切换频率 | 300 kHz | 300 kHz | 300 kHz | 300 kHz |
技术 | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR |
温度等级 | COMMERCIAL | INDUSTRIAL | COMMERCIAL | INDUSTRIAL |
端子形式 | J BEND | GULL WING | GULL WING | J BEND |
端子节距 | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm |
端子位置 | QUAD | DUAL | DUAL | QUAD |
宽度 | 8.965 mm | 7.5 mm | 7.5 mm | 8.965 mm |
Base Number Matches | - | 1 | 1 | 1 |