ZHCSQU8A May 2023 – December 2023 LM74703-Q1 , LM74704-Q1
PRODUCTION DATA
| 参数 | 测试条件 | 最小值 | 典型值 | 最大值 | 单位 | |
|---|---|---|---|---|---|---|
| VANODE 电源电压 | ||||||
| V(ANODE) | 工作输入电压 | 4 | 60 | V | ||
| V(ANODE POR) | VANODE POR 上升阈值 | 3.9 | V | |||
| VANODE POR 下降阈值 | 2.2 | 2.8 | 3.1 | V | ||
| I(SHDN) | 关断电源电流 | V(EN) = 0 V | 1 | 1.5 | µA | |
| I(Q) | 工作静态电流 | 80 | 130 | µA | ||
| 使能输入 | ||||||
| V(EN_IL) | 使能输入低阈值 | 0.5 | 0.9 | 1.22 | V | |
| V(EN_IH) | 使能输入高阈值 | 1.06 | 2 | 2.6 | ||
| I(EN) | 使能灌电流 | V(EN) = 12V | 3 | 5 | µA | |
| FETGOOD | ||||||
| FETGOOD 高 | 逻辑高电平的 FETGOOD 电压 | VCAP> VCAP_UVLO，VANODE – VCATHODE < 200mV，LM74703-Q1 | 4.45 | 5.2 | 6 | V |
| RFETGOOD(pullup) | FETGOOD 上拉电阻器 | VCAP > VCAP_UVLO，VANODE – VCATHODE < 200mV，LM74703-Q1 | 50 | kΩ | ||
| RFETGOOD(pulldown) | FETGOOD 下拉电阻 | VCAP < VCAP_UVLO 或 VANODE – VCATHODE > 200mV，LM74703-Q1 | 50 | kΩ | ||
| RFETGOOD(pulldown) | FETGOOD 下拉电阻 | VCAP < VCAP_UVLO 或 VANODE – VCATHODE > 200mV，LM74704-Q1 | 1 | 1.3 | kΩ | |
| FETGOOD 比较器 | FETGOOD 变为低电平的 VAC 比较器上升阈值 | 180 | 200 | 230 | mV | |
| FETGOOD 比较器 | FETGOOD 变为高电平的 VAC 比较器下降阈值 | 160 | 185 | 215 | mV | |
| FETGOOD 比较器迟滞 | 15 | mV | ||||
| VANODE 至 VCATHODE | ||||||
| V(AC_REG) | 稳压正向 V(AC) 阈值 | 13 | 20 | 29 | mV | |
| V(AC_FC) | 完全导通模式的 V(AC) 阈值 | 34 | 50 | 57 | mV | |
| V(AC_REV) | 反向电流阻断的 V(AC) 阈值 | -17 | –11 | -2 | mV | |
| 栅极驱动 | ||||||
| I(GATE) | 峰值拉电流 | V(ANODE) – V(CATHODE) = 100 mV， V(GATE) – V(ANODE) = 200 mV |
3 | 11 | mA | |
| 峰值灌电流 | V(ANODE) – V(CATHODE) = –20mV， V(GATE) – V(ANODE) = 5V |
2370 | mA | |||
| 稳压最大灌电流 | V(ANODE) – V(CATHODE) = 0V， V(GATE) – V(ANODE) = 200 mV |
6 | 26 | µA | ||
| RDSON | 放电开关 RDSON | V(ANODE) – V(CATHODE) = -100 mV， V(GATE) – V(ANODE) = 100mV |
0.4 | 1 | 2 | Ω |
| 电荷泵 | ||||||
| I(VCAP) | 电荷泵拉电流（电荷泵导通） | V(VCAP+) – V(VCAP–) = 7V | 162 | 300 | 600 | µA |
| 电荷泵灌电流（电荷泵关闭） | V(VCAP+) – V(VCAP–) = 14V | 5 | 10 | µA | ||
| V(VCAP+) – V(VCAP–) | V(ANODE) = 3.2V 时的电荷泵电压 | I(VCAP) ≤ 30µA | 8 | V | ||
| 电荷泵导通电压 | 10.8 | 12.1 | 12.9 | V | ||
| 电荷泵关断电压 | 11.6 | 13 | 13.9 | V | ||
| 电荷泵使能比较器迟滞 | 0.54 | 0.9 | 1.36 | V | ||
| V(VCAP UVLO) | V(VCAP) – V(ANODE) UV 在上升沿释放 | V(ANODE) – V(CATHODE) = 100mV | 5.8 | 6.6 | 7.7 | V |
| V(VCAP) – V(ANODE) 下降沿的 UV 阈值 | V(ANODE) – V(CATHODE) = 100mV | 5.11 | 5.68 | 6 | V | |
| CATHODE | ||||||
| I(CATHODE) | CATHODE 灌电流 | V(ANODE) = 12V， V(ANODE) – V(CATHODE) = 100mV |
1.7 | 2 | µA | |
| V(ANODE) – V(CATHODE) = –100mV | 1.2 | 2.2 | µA | |||
| V(ANODE) = –12V，V(CATHODE) = 12V | 1.25 | 2.06 | µA | |||