ZHCSIT4C September 2018 – December 2025 LM5164-Q1
PRODUCTION DATA
| 参数 | 测试条件 | 最小值 | 典型值 | 最大值 | 单位 | |
|---|---|---|---|---|---|---|
| 电源电流 (VIN) | ||||||
| IQ-SHUTDOWN | VIN 关断电流 | VEN = 0V | 3 | 15 | µA | |
| IQ-SLEEP1 | VIN 休眠电流 | VEN = 2.5V,VFB = 1.5V | 10.5 | 25 | µA | |
| IQ-ACTIVE | VIN 有效电流 | VEN = 2.5V | 600 | 880 | µA | |
| 精密使能端 (EN/UVLO) | ||||||
| VSD-RISING | 关断阈值 | VEN/UVLO 上升 | 1.1 | V | ||
| VSD-FALLING | 关断阈值 | VEN/UVLO 下降 | 0.45 | V | ||
| VEN-RISING | 启用阈值 | VEN/UVLO 上升 | 1.45 | 1.5 | 1.55 | V |
| VEN-FALLING | 启用阈值 | VEN/UVLO 下降 | 1.35 | 1.4 | 1.44 | V |
| 反馈电压 (FB) | ||||||
| VREF | FB 稳压电压 | VFB 下降 | 1.181 | 1.2 | 1.218 | V |
| 时序 (RON) | ||||||
| tON1 | On-time1 | VVIN = 6V,RRON = 75kΩ | 5000 | ns | ||
| tON2 | On-time2 | VVIN = 6V,RRON = 25kΩ | 1650 | ns | ||
| tON3 | On-time3 | VVIN = 12V,RRON = 75kΩ | 2550 | ns | ||
| tON4 | On-time4 | VVIN = 12V,RRON = 25kΩ | 830 | ns | ||
| 电源正常监视器 (PGOOD) | ||||||
| VPG-UTH | PGOOD 高电平到低电平的 FB 上限阈值 | VFB 上升 | 1.105 | 1.14 | 1.175 | V |
| VPG-LTH | PGOOD 高电平到低电平的 FB 下限阈值 | VFB 下降 | 1.055 | 1.08 | 1.1 | V |
| VPG-HYS | PGOOD 上限和下限阈值迟滞 | VFB 下降 | 60 | mV | ||
| RPG | PGOOD 下拉电阻 | VFB = 1V | 30 | Ω | ||
| 自举 (BST) | ||||||
| VBST-UV | 栅极驱动 UVLO | VBST 上升 | 2.7 | 3.4 | V | |
| 电源开关 | ||||||
| RDSON-HS | 高侧 MOSFET RDSON | ISW = –100mA | 0.725 | Ω | ||
| RDSON-LS | 低侧 MOSFET RDSON | ISW = 100mA | 0.33 | Ω | ||
| 软启动 | ||||||
| tSS | 内部软启动时间 | 1.75 | 3 | 4.75 | ms | |
| 电流限值 | ||||||
| IPEAK1 | 峰值电流限制阈值 (HS) | 1.25 | 1.5 | 1.75 | A | |
| IPEAK2 | 峰值电流限制阈值 (LS) | 1.25 | 1.5 | 1.75 | A | |
| IDELTA-ILIM | 最小值(IPEAK1 或 IPEAK2)减去 IVALLEY | 200 | 300 | mA | ||
| IVALLEY | 谷值电流限制阈值 | 0.95 | 1.2 | 1.4 | A | |
| 热关断 | ||||||
| TSD | 热关断阈值 | TJ 上升 | 175 | °C | ||
| TSD-HYS | 热关断迟滞 | 10 | °C | |||