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L7981 数据表(PDF) 5 Page - STMicroelectronics |
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L7981 数据表(HTML) 5 Page - STMicroelectronics |
5 / 44 page L7981 Maximum ratings Doc ID 15182 Rev 3 5/44 2 Maximum ratings 3 Thermal data Table 2. Absolute maximum ratings Symbol Parameter Value Unit Vcc Input voltage 30 V OUT Output DC voltage -0.3 to VCC FSW, COMP, SYNCH Analog pin -0.3 to 4 EN Enable pin -0.3 to VCC FB Feedback voltage -0.3 to 1.5 PTOT Power dissipation at TA < 60°C VFQFPN 1.5. W HSOP 2 TJ Junction temperature range -40 to 150 °C Tstg Storage temperature range -55 to 150 °C Table 3. Thermal data Symbol Parameter Value Unit RthJA Maximum thermal resistance junction-ambient (1) 1. Package mounted on demonstration board. VFQFPN 60 °C/W HSOP 40 |
类似零件编号 - L7981 |
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类似说明 - L7981 |
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