ZHCSNW0C February 2019 – April 2021 TPS51396A
PRODUCTION DATA
请参考 PDF 数据表获取器件具体的封装图。
| PARAMETER | TEST CONDITION | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| SUPPLY CURRENT | ||||||
| VIN | Input voltage range | VIN | 4.5 | 24 | V | |
| IVIN | VIN supply current | No load, VEN = 3.3 V, Switching | 90 | uA | ||
| IVINSDN | Shutdown supply current | No load, VEN = 0 V | 2 | uA | ||
| VCC OUTPUT | ||||||
| VCC | VCC output voltage | VVIN > 5.0 V | 4.85 | 5 | 5.15 | V |
| VVIN = 4.5 V | 4.5 | V | ||||
| ICC | VCC current limit | 20 | mA | |||
| FEEDBACK VOLTAGE | ||||||
| VFB | FB voltage | TJ = 25°C | 594 | 600 | 606 | mV |
| TJ = -40°C to 125°C | 592 | 600 | 611 | mV | ||
| DUTY CYCLE and FREQUENCY CONTROL | ||||||
| FSW | Switching frequency | TJ = 25°C , FSW = 600 kHz,Vo = 1 V | 600 | kHz | ||
| TON(MIN) | SW minumum on time | TJ = 25°C | 60 | ns | ||
| TOFF(MIN) | SW minimum off time | TJ = 25°C, VFB = 0.5 V | 190 | ns | ||
| MOSFET and DRIVERS | ||||||
| RDS(ON)H | High side switch resistance | TJ = 25°C | 19.5 | mΩ | ||
| RDS(ON)L | Low side switch resistance | TJ = 25°C | 9.5 | mΩ | ||
| OOA FUNCTION | ||||||
| TOOA | OOA mode operation period | 28 | us | |||
| OUTPUT DISCHARGE and SOFT START | ||||||
| RDIS | Discharge resistance | TJ = 25°C, VEN = 0 V | 420 | Ω | ||
| TSS | Soft start time | Internal soft-start time, SS floating | 1.3 | ms | ||
| ISS | Soft start charge current | 5 | uA | |||
| POWER GOOD | ||||||
| TPGDLY | PG start-up delay | PG from low to high | 1 | ms | ||
| VPGTH | PG threshold | VFB falling (fault) | 85 | % | ||
| VFB rising (good) | 90 | % | ||||
| VFB rising (fault) | 115 | % | ||||
| VFB falling (good) | 110 | % | ||||
| VPG_L | PG sink current capability | IOL = 4 mA | 0.4 | V | ||
| IPGLK | PG leak current | VPGOOD = 5.5 V | 1 | uA | ||
| CURRENT LIMIT | ||||||
| IOCL | Over current threshold | Valley current set point | 8.1 | 9.8 | 12 | A |
| INOCL | Negative over current threshold | 3.9 | A | |||
| LOGIC THRESHOLD | ||||||
| VENH | EN high-level input voltage | 1.2 | 1.4 | V | ||
| VENL | EN low-level input voltage | 0.8 | 1.05 | V | ||
| IEN | Enable internal pull down current | VEN = 0.8 V | 2 | µA | ||
| OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION | ||||||
| VOVP | OVP trip threshold | 125 | % | |||
| tOVPDLY | OVP prop deglitch | TJ = 25°C | 20 | us | ||
| VUVP | UVP trip threshold | 60 | % | |||
| tUVPDLY | UVP prop deglitch | 256 | us | |||
| UVLO | ||||||
| VUVLOVIN | VIN UVLO threshold | Wake up | 4.2 | 4.4 | V | |
| Shutdown | 3.6 | 3.8 | V | |||
| Hysteresis | 0.4 | V | ||||
| OVER TEMPERATURE PROTECTION | ||||||
| TOTP | OTP trip threshold(1) | Shutdown temperature | 150 | °C | ||
| TOTPHSY | OTP hysteresis(1) | Hysteresis | 20 | °C | ||