ZHCSBE2A August 2013 – October 2022 TPS54625
PRODUCTION DATA
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| SUPPLY CURRENT | ||||||
| IVIN | Operating - non-switching supply current | VIN current, TA = 25°C, EN = 5 V, VVFB = 0.8 V |
950 | 1400 | μA | |
| IVINSDN | Shutdown supply current | VIN current, TA = 25°C, EN = 0 V | 3.6 | 10 | μA | |
| LOGIC THRESHOLD | ||||||
| VENH | EN high-level input voltage | EN | 1.6 | V | ||
| VENL | EN low-level input voltage | EN | 0.6 | V | ||
| REN | EN pin resistance to GND | VEN = 12 V | 200 | 400 | 800 | kΩ |
| VFB VOLTAGE AND DISCHARGE RESISTANCE | ||||||
| VVFBTH | VFB threshold voltage | TA = 25°C, VO = 1.05 V, continuous mode | 757 | 765 | 773 | mV |
| TA = 0℃ to 85℃, VO = 1.05 V, continuous mode (1) | 753 | 777 | ||||
| TA = –40°C to 85°C, VO = 1.05 V, continuous mode(1) | 751 | 779 | ||||
| IVFB | VFB input current | VFB = 0.8 V, TA = 25°C | 0 | ±0.15 | μA | |
| RDischg | VO discharge resistance | VEN = 0 V, VO = 0.5 V, TA = 25°C | 100 | 150 | Ω | |
| VREG5 OUTPUT | ||||||
| VVREG5 | VREG5 output voltage | TA = 25°C, 6.0 V < VIN < 18 V, 0 < IVREG5 < 5 mA |
5.2 | 5.5 | 5.7 | V |
| IVREG5 | Output current | VIN = 6 V, VVREG5 = 4 V, TA = 25°C | 20 | mA | ||
| MOSFET | ||||||
| Rdsonh | High side switch resistance | TA = 25°C, VBST - VSW1,2 = 5.5 V | 36 | mΩ | ||
| Rdsonl | Low side switch resistance | TA = 25°C | 28 | mΩ | ||
| CURRENT LIMIT | ||||||
| Iocl | Current limit | LOUT = 1.5 μH(1) | 7.2 | 8.2 | 9.5 | A |
| THERMAL SHUTDOWN | ||||||
| TSDN | Thermal shutdown threshold | Shutdown temperature (1) | 165 | °C | ||
| Hysteresis (1) | 35 | |||||
| ON-TIME TIMER CONTROL | ||||||
| TON | On time | VIN = 12 V, VO = 1.05 V | 150 | ns | ||
| TOFF(MIN) | Minimum off time | TA = 25°C, VVFB = 0.7 V | 260 | 310 | ns | |
| SOFT START | ||||||
| ISSC | SS charge current | VSS = 1 V | 4.2 | 6.0 | 7.8 | μA |
| ISSD | SS discharge current | VSS = 0.5 V | 1.5 | 3.3 | mA | |
| POWER GOOD | ||||||
| VTHPG | PG threshold | VVFB rising (good) | 85% | 90% | 95% | |
| VVFB falling (fault) | 85% | |||||
| IPG | PG sink current | VPG = 0.5 V | 2.5 | 5 | mA | |
| OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION | ||||||
| VOVP | Output OVP trip threshold | OVP detect | 120% | 125% | 130% | |
| TOVPDEL | Output OVP prop delay | 10 | μs | |||
| VUVP | Output UVP trip threshold | UVP detect | 60% | 65% | 70% | |
| Hysteresis | 10% | |||||
| TUVPDEL | Output UVP delay | 0.25 | ms | |||
| TUVPEN | Output UVP enable delay | Relative to soft-start time | X 1.7 | |||
| UVLO | ||||||
| VUVLO | UVLO threshold | Wake up VREG5 voltage | 3.45 | 3.75 | 4.05 | V |
| Hysteresis VREG5 voltage | 0.13 | 0.32 | 0.48 | |||