ZHCSL48 April 2020 LM5181-Q1
PRODUCTION DATA.
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| SUPPLY CURRENT | ||||||
| ISHUTDOWN | VIN shutdown current | VEN/UVLO = 0 V | 3 | µA | ||
| IACTIVE | VIN active current | VEN/UVLO = 2.5 V, VRSET = 1.8 V | 260 | 350 | µA | |
| IACTIVE-BIAS | VIN current with BIAS connected | VSS/BIAS = 6 V | 25 | 40 | µA | |
| VSD-FALLING | Shutdown threshold | VEN/UVLO falling | 0.3 | V | ||
| ENABLE AND INPUT UVLO | ||||||
| VSD-RISING | Standby threshold | VEN/UVLO rising | 0.8 | 1 | V | |
| VUV-RISING | Enable threshold | VEN/UVLO rising | 1.45 | 1.5 | 1.53 | V |
| VUV-HYST | Enable voltage hysteresis | VEN/UVLO falling
|
0.04 | 0.05 | V | |
| IUV-HYST | Enable current hysteresis | VEN/UVLO = 1.6 V | 4.2 | 5 | 5.5 | µA |
| FEEDBACK | ||||||
| IRSET | RSET current | RRSET = 12.1 kΩ | 100 | µA | ||
| VRSET | RSET regulation voltage | RRSET = 12.1 kΩ | 1.191 | 1.21 | 1.224 | V |
| VFB-VIN1 | FB to VIN voltage | IFB = 80 µA | –40 | mV | ||
| VFB-VIN2 | FB to VIN voltage | IFB = 120 µA | 40 | mV | ||
| SWITCHING FREQUENCY | ||||||
| FSW-MIN | Minimum switching frequency | 12 | kHz | |||
| FSW-MAX | Maximum switching frequency | 350 | kHz | |||
| tON-MIN | Minimum switch on-time | 140 | ns | |||
| DIODE THERMAL COMPENSATION | ||||||
| VTC | TC voltage | ITC = ±10 µA, TJ = 25°C | 1.2 | 1.27 | V | |
| POWER SWITCHES | ||||||
| RDS(on) | MOSFET on-state resistance | ISW = 100 mA | 0.4 | Ω | ||
| SOFT-START AND BIAS | ||||||
| ISS | SS ext capacitor charging current | 5 | µA | |||
| tSS | Internal SS time | 6 | ms | |||
| VBIAS-UVLO-RISE | BIAS enable voltage | VSS/BIAS rising | 5.5 | 5.75 | V | |
| VBIAS-UVLO-HYST | BIAS UVLO hysteresis | VSS/BIAS falling | 190 | mV | ||
| CURRENT LIMIT | ||||||
| ISW-PEAK | Peak current limit threshold | 0.62 | 0.75 | 0.88 | A | |
| THERMAL SHUTDOWN | ||||||
| TSD | Thermal shutdown threshold | TJ rising | 175 | °C | ||
| TSD-HYS | Thermal shutdown hysteresis | 6 | °C | |||