ZHCSNK0 december 2022 LM7480
PRODUCTION DATA
参数 | 测试条件 | 最小值 | 典型值 | 最大值 | 单位 | |
---|---|---|---|---|---|---|
电源电压 | ||||||
V(VS) | 工作输入电压 | 3 | 65 | V | ||
V(VS_PORR) | VS POR 阈值,上升 | 2.4 | 2.6 | 2.85 | V | |
V(VS_PORF) | VS POR 阈值,下降 | 1.9 | 2.1 | 2.3 | V | |
I(SHDN) | SHDN 电流,I(GND) | V(EN/UVLO) = 0V | 2.87 | 5 | µA | |
I(Q) | 系统总静态电流,I(GND) | V(EN/UVLO) = 2V | 397 | µA | ||
V(A) = V(VS) = 24V,V(EN/UVLO) = 2V | 413 | 530 | µA | |||
I(REV) | 反极性期间的漏电流,I(A) | 0V ≤ V(A) ≤ –65V | 10 | 112 | µA | |
反极性期间的漏电流,I(OUT) | 1 | µA | ||||
使能和欠压锁定 (EN/UVLO) 输入 | ||||||
V(UVLOR) | EN/UVLO 阈值电压,上升 | 1.195 | 1.231 | 1.267 | V | |
V(UVLOF) | EN/UVLO 阈值电压,下降 | 1.091 | 1.132 | 1.159 | V | |
V(ENF) | 低 Iq 关断使能阈值电压,下降 | 0.3 | 0.67 | 0.93 | V | |
V(EN_Hys) | 使能迟滞 | 37 | 72 | 95 | mV) | |
I(EN/UVLO) | 0V ≤ V(EN/UVLO) ≤ 65V | 55 | 200 | nA | ||
过压保护和电池检测(VSNS、SW、OV)输入 | ||||||
R(SW) | 电池检测断开开关电阻 | 3V ≤ V(SNS) ≤ 65V | 10 | 19.5 | 46 | Ω |
V(OVR) | 过压阈值输入,上升 | 1.195 | 1.231 | 1.267 | V | |
V(OVF) | 过压阈值输入,下降 | 1.091 | 1.13 | 1.159 | V | |
I(OV) | OV 输入漏电流 | 0V ≤ V(OV) ≤ 65V | 53 | 200 | nA | |
电荷泵 (CAP) | ||||||
I(CAP) | 电荷泵拉电流(电荷泵导通) | V(CAP) – V(A) = 7V,6V ≤ V(S) ≤ 65V | 1.3 | 2.7 | mA | |
VCAP – VS | 电荷泵导通电压 | 11 | 12.2 | 13.2 | V | |
电荷泵关断电压 | 11.9 | 13.2 | 14.1 | V | ||
V(CAP UVLO) | 电荷泵 UVLO 电压阈值,上升 | 5.4 | 6.6 | 7.9 | V | |
电荷泵 UVLO 电压阈值,下降 | 4.4 | 5.5 | 6.6 | V | ||
理想二极管(A、C、DGATE) | ||||||
V(A_PORR) | V(A) POR 阈值,上升 | 2.2 | 2.35 | 2.6 | V | |
V(A_PORF) | V(A) POR 阈值,下降 | 2 | 2.2 | 2.4 | V | |
V(AC_REG) | 稳压正向 V(A)–V(C) 阈值 | 仅适用于 LM74800 | 6.8 | 10 | 13.4 | mV |
V(AC_REV) | V(A)–V(C) 快速反向电流阻断阈值 | -6.5 | -5.5 | –1.3 | mV | |
V(AC_FWD) | V(A)–V(C) 反向至正向转换的阈值 | 150 | 177 | 220 | mV | |
V(DGATE) – V(A) | 栅极驱动电压 | 3V < V(S) < 5V | 7 | V | ||
5V < V(S) < 65V | 10 | 11.5 | 13 | V | ||
I(DGATE) | 峰值栅极拉电流 | V(A) – V(C) = 100mV,V(DGATE) – V(A) = 1V | 20 | mA | ||
峰值栅极灌电流 | V(A) – V(C) = –12mV,V(DGATE) – V(A) = 11V | 2670 | mA | |||
稳压灌电流 | V(A) – V(C) = 0V,V(DGATE) – V(A) = 11V,仅限 LM74800 | 7.2 | 12.3 | µA | ||
I(C) | 阴极漏电流 | V(A) = –14V,V(C) = 12V,LM74801 | 0.1 | 2.84 | 15 | µA |
V(A) = –14V,V(C) = 12V,LM74800 | 4 | 8.77 | 32 | µA | ||
高侧控制器(HGATE、OUT、SNS、SW、OV) | ||||||
V(HGATE) – V(OUT) | 栅极驱动电压 | 3V < V(S) < 5V | 7 | V | ||
5V < V(S) < 65V | 10 | 11.1 | 14.5 | V | ||
I(HGATE) | 拉电流 | 39 | 55 | 75 | µA | |
灌电流 | V(OV) > V(OVR) | 168 | 260 | mA |