SLUSFG8 June 2024 TPS562243 , TPS562246
PRODUCTION DATA
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
---|---|---|---|---|---|---|
INPUT SUPPLY VOLTAGE | ||||||
VIN | Input voltage range | 4.2 | 17 | V | ||
IVIN | VIN supply current | No load, VEN = 1.5 V, non-switching, ECO version | 110 | µA | ||
No load, VEN = 1.5 V, VFB = 0.9 V, FCCM version (1) | 350 | µA | ||||
IINSDN | VIN shutdown current | VEN = 0 V | 7 | µA | ||
UVLO | ||||||
UVLO | VIN undervoltage lockout | Wake up VIN voltage | 3.6 | 3.8 | 4 | V |
UVLO | VIN undervoltage lockout | Shut down VIN voltage | 3.2 | 3.4 | 3.6 | V |
UVLO | VIN undervoltage lockout | Hysteresis VIN voltage | 400 | mV | ||
FEEDBACK VOLTAGE | ||||||
VFB | FB voltage | TJ = 25°C, Vin = 4.2 - 17 V | 591 | 600 | 609 | mV |
VFB | FB voltage | TJ = –40°C to 125°C, Vin = 4.2 - 17 V | 588 | 600 | 612 | mV |
MOSFET | ||||||
RDS (ON)HI | High-side MOSFET Rds(on) | TJ = 25°C | 100 | mΩ | ||
RDS (ON)LO | Low-side MOSFET Rds(on) | TJ = 25°C | 55 | mΩ | ||
DUTY CYCLE and FREQUENCY CONTROL | ||||||
FSW | Switching frequency | VOUT = 3.3 V | 1280 | kHz | ||
TOFF(MIN) | Minimum off-time (1) | VFB = 0.5 V | 100 | ns | ||
TON(MIN) | Minimum on-time (1) | 55 | ns | |||
CURRENT LIMIT | ||||||
IOCL_LS | Over current threshold | Valley current set point | 2 | 2.8 | 3.6 | A |
INOCL | Negative over current threshold | Valley current set point | 1 | 1.8 | 2.5 | A |
LOGIC THRESHOLD | ||||||
VEN(ON) | EN threshold high-level | 1.15 | 1.2 | 1.28 | V | |
VEN(OFF) | EN threshold low-level | 0.93 | 1 | 1.05 | V | |
VENHYS | EN hystersis | 200 | mV | |||
OUTPUT DISCHARGE and SOFT START | ||||||
IEN | EN pulldown current | VEN = 1.5 V | 1 | uA | ||
tSS | Internal soft start time | VOUT from 0 to target value. | 1.4 | ms | ||
OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION | ||||||
VUVP | UVP trip threshold | 55 | 60 | 65 | % | |
tUVPDLY | UVP prop deglitch | 256 | us | |||
tUVPON | In continus hiccup mode, the switching time | Hard short, UVP detect | 1.5 | ms | ||
tUVPOFF | In continus hiccup mode, non switching time | Hard short, UVP detect | 13 | ms | ||
THERMAL PROTECTION | ||||||
TOTP | OTP trip threshold | 155 | °C | |||
TOTPHSY | OTP hysteresis | 20 | °C |