ZHCSS97I September 1998 – June 2025 LM2674
PRODUCTION DATA
| 参数 | 测试条件 | 最小值 | 典型值 | 最大值 | 单位 | ||
|---|---|---|---|---|---|---|---|
| 器件参数 | |||||||
| IQ | 静态电流 | 对于 3.3V、5V 和电压可调型号,VFEEDBACK = 8V | 2.5 | 3.6 | mA | ||
| 对于 12V 型号,VFEEDBACK = 15V | 2.5 | mA | |||||
| ISTBY | 待机静态电流 | 开启/关闭引脚 = 0V | TJ = 25°C | 50 | 100 | μA | |
| TJ = -40°C 至 125°C | 150 | ||||||
| ICL | 电流限制 | TJ = 25°C | 0.62 | 0.8 | 1.2 | A | |
| TJ = -40°C 至 125°C | 0.575 | 1.25 | |||||
| IL | 输出漏电流 | VIN = 40V,开启/关闭引脚 = 0V,VSWITCH = 0V | 1 | 25 | μA | ||
| VSWITCH = −1V,开启/关闭引脚 = 0V | 6 | 15 | mA | ||||
| RDS(ON) | 开关导通电阻 | ISWITCH = 500mA | TJ = 25°C | 0.25 | 0.4 | Ω | |
| TJ = -40°C 至 125°C | 0.6 | ||||||
| fO | 振荡器频率 | 在开关引脚处测得 | TJ = 25°C | 260 | kHz | ||
| TJ = -40°C 至 125°C | 225 | 275 | |||||
| D | 最大占空比 | 95% | |||||
| 最小占空比 | 0% | ||||||
| IBIAS | 反馈偏置电流 | VFEEDBACK = 1.3V(仅限可调型号) | 85 | nA | |||
| VS/D | 开启/关闭引脚电压阈值 | 导通阈值,上升 (1) | TJ = 25°C | 1.4 | V | ||
| TJ = -40°C 至 125°C | 0.8 | 2 | |||||
| IS/D | 开启/关闭引脚电流 | 开启/关闭引脚 = 0V | TJ = 25°C | 20 | μA | ||
| TJ = -40°C 至 125°C | 7 | 37 | |||||