ZHCSR83C March 2023 – January 2024 TPSM863252 , TPSM863253 , TPSM863257
PRODUCTION DATA
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| INPUT SUPPLY VOLTAGE | ||||||
| VIN | Input voltage range | VIN | 3 | 17 | V | |
| IVIN | VIN supply current | No load, VEN = 5V, non-switching, PSM version | 100 | μA | ||
| No load, VEN = 5V, non-switching, FCCM version | 370 | μA | ||||
| IINSDN | VIN shutdown current | No load, VEN = 0V | 2 | μA | ||
| UVLO | ||||||
| UVLO | VIN undervoltage lockout | Wake up VIN voltage | 2.8 | 2.9 | 3.0 | V |
| UVLO | VIN undervoltage lockout | Shut down VIN voltage | 2.6 | 2.7 | 2.8 | V |
| UVLO | VIN undervoltage lockout | Hysteresis VIN voltage | 200 | mV | ||
| FEEDBACK VOLTAGE | ||||||
| VFB | FB voltage | TJ = 25°C | 594 | 600 | 606 | mV |
| VFB | FB voltage | TJ = –40°C to 125°C | 591 | 600 | 609 | mV |
| VOUT | TPSM863253 output voltage | TJ = 0°C to 65°C | 3.27 | 3.3 | 3.33 | V |
| VOUT | TPSM863253 output voltage | TJ = –40°C to 125°C | 3.25 | 3.3 | 3.35 | V |
| MOSFET | ||||||
| RDS (ON)HI | High-side MOSFET Rds(on) | TJ = 25°C, VVIN ≥ 5V | 55 | mΩ | ||
| TJ = 25°C, VVIN = 3V (1) | 68 | mΩ | ||||
| RDS (ON)LO | Low-side MOSFET Rds(on) | TJ = 25°C,VVIN ≥ 5V | 24 | mΩ | ||
| TJ = 25°C, VVIN = 3V | 30 | mΩ | ||||
| DUTY CYCLE and FREQUENCY CONTROL | ||||||
| FSW | Switching frequency | TJ = 25°C, VVOUT = 3.3V | 1.2 | MHz | ||
| TOFF(MIN)(1) | Minimum off-time | VFB = 0.5V | 110 | ns | ||
| TON(MIN) | Minimum on-time | 60 | ns | |||
| CURRENT LIMIT | ||||||
| IOCL_LS | Over current threshold | Valley current set point | 3.1 | 4.1 | 5.1 | A |
| INOCL | Negative over current threshold | Valley current set point | 1.5 | 2.0 | 2.5 | A |
| LOGIC THRESHOLD | ||||||
| VEN(ON) | EN threshold high-level | 1.15 | 1.20 | 1.25 | V | |
| VEN(OFF) | EN threshold low-level | 0.90 | 1.00 | 1.10 | V | |
| VENHYS | EN hystersis | 200 | mV | |||
| REN1 | EN pulldown resistor | 2 | MΩ | |||
| OUTPUT DISCHARGE and SOFT START | ||||||
| tSS | Internal soft-start time | 1.6 | ms | |||
| OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION | ||||||
| VOVP | OVP trip threshold | 110 | 115 | 120 | % | |
| tOVPDLY | OVP prop deglitch | 24 | us | |||
| VUVP | UVP trip threshold | 55 | 60 | 65 | % | |
| tUVPDLY | UVP prop deglitch | 220 | us | |||
| tUVPEN | Output hiccup enable delay relative to SS time |
UVP detect | 14 | ms | ||
| PGOOD | ||||||
| TPGDLY | PG start-up delay | PG from low to high | 1 | ms | ||
| TPGDLY | PG start-up delay | PG from high to low | 28 | us | ||
| VPGTH | PG threshold | VFB falling (fault) | 80 | 85 | 90 | % |
| VPGTH | PG threshold | VFB rising (good) | 85 | 90 | 95 | % |
| VPGTH | PG threshold | VFB rising (fault) | 110 | 115 | 120 | % |
| VPGTH | PG threshold | VFB falling (good) | 105 | 110 | 115 | % |
| VPG_L | PG sink current capability | IOL = 4mA | 0.4 | V | ||
| IPGLK | PG leak current | VPGOOD = 5.5V | 1 | uA | ||
| THERMAL PROTECTION | ||||||
| TOTP(1) | OTP trip threshold | 155 | °C | |||
| TOTPHSY(1) | OTP hysteresis | 20 | °C | |||