ZHCSBE6E August 2013 – May 2019 TPS54618-Q1
PRODUCTION DATA.
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|
| SUPPLY VOLTAGE (VIN PIN) | |||||
| Operating input voltage | 2.95 | 6 | V | ||
| Internal undervoltage lockout threshold | VIN UVLO STOP | 2.28 | 2.5 | V | |
| VIN UVLO START | 2.45 | 2.6 | |||
| Shutdown supply current | EN = 0 V, 25°C, 2.95 V ≤ VIN ≤ 6 V | 5.5 | 15 | μA | |
| Quiescent current, Iq | VSENSE = 0.9 V, VIN = 5 V, 25°C, RT = 400 kΩ | 515 | 650 | μA | |
| ENABLE AND UVLO (EN PIN) | |||||
| Enable threshold | Rising | 1.25 | V | ||
| Falling | 1.18 | ||||
| Input current | Enable threshold + 50 mV | –3.5 | μA | ||
| Enable threshold – 50 mV | –1.9 | ||||
| VOLTAGE REFERENCE (VSENSE PIN) | |||||
| Voltage reference | 2.95 V ≤ VIN ≤ 6 V, –40°C <TJ < 150°C | 0.791 | 0.799 | 0.807 | V |
| MOSFET | |||||
| High-side switch resistance | BOOT-PH = 5 V | 12 | 25 | mΩ | |
| BOOT-PH = 2.95 V | 16 | 33 | |||
| Low-side switch resistance | VIN = 5 V | 13 | 25 | mΩ | |
| VIN = 2.95 V | 17 | 33 | |||
| ERROR AMPLIFIER | |||||
| Input current | 2 | nA | |||
| Error amplifier transconductance (gm) | –2 μA < I(COMP) < 2 μA, V(COMP) = 1 V | 245 | μmhos | ||
| Error amplifier transconductance (gm)
during slow-start |
–2 μA < I(COMP) < 2 μA, V(COMP) = 1 V,
Vsense = 0.4 V |
79 | μmhos | ||
| Error amplifier source/sink | V(COMP) = 1 V, 100-mV overdrive | ±20 | μA | ||
| COMP to Iswitch gm | 25 | A/V | |||
| CURRENT LIMIT | |||||
| Current limit threshold | VIN = 6 V, 25°C < TJ < 150°C | 7.46 | 10.6 | 15.3 | A |
| VIN = 2.95 V, 25°C < TJ < 150°C | 7.68 | 10.2 | 13.5 | ||
| THERMAL SHUTDOWN | |||||
| Thermal shutdown | 168 | °C | |||
| Hysteresis | 20 | °C | |||
| BOOT (BOOT PIN) | |||||
| BOOT charge resistance | VIN = 5 V | 16 | Ω | ||
| BOOT-PH UVLO | VIN = 2.95 V | 2.1 | V | ||
| SLOW-START AND TRACKING (SS/TR PIN) | |||||
| Charge current | V(SS/TR) = 0.4 V | 2 | μA | ||
| SS/TR to VSENSE matching | V(SS/TR) = 0.4 V | 54 | mV | ||
| SS/TR to reference crossover | 98% normal | 1.1 | V | ||
| SS/TR discharge voltage (Overload) | VSENSE = 0 V | 61 | mV | ||
| SS/TR discharge current (Overload) | VSENSE = 0 V, V(SS/TR) = 0.4 V | 350 | µA | ||
| SS discharge current (UVLO, EN, Thermal fault) | VIN = 5 V, V(SS) = 0.5 V | 1.9 | mA | ||
| POWER GOOD (PWRGD PIN) | |||||
| VSENSE threshold | VSENSE falling (Fault) | 91% | Vre | ||
| VSENSE rising (Good) | 93% | ||||
| VSENSE rising (Fault) | 109% | ||||
| VSENSE falling (Good) | 107% | ||||
| Hysteresis | VSENSE falling | 2% | Vref | ||
| Output high leakage | VSENSE = VREF, V(PWRGD) = 5.5 V | 7 | nA | ||
| ON-resistance | 56 | 100 | Ω | ||
| Output low | I(PWRGD) = 3 mA | 0.2 | 0.3 | V | |
| Minimum VIN for valid output | V(PWRGD) < 0.5 V at 100 μA | 0.65 | 1.5 | V | |