ZHCSG73A April 2017 – September 2020 TPS561201 , TPS561208
PRODUCTION DATA
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | ||
|---|---|---|---|---|---|---|---|
| SUPPLY CURRENT | |||||||
| IVIN | Operating – non-switching supply current | VIN current, EN = 5 V, VFB = 0.8 V | TPS561201 | 380 | 520 | μA | |
| TPS561208 | 590 | 750 | |||||
| IVINSDN | Shutdown supply current | VIN current, EN = 0 V | 1 | 10 | μA | ||
| LOGIC THRESHOLD | |||||||
| VENH | EN high-level input voltage | EN | 1.6 | V | |||
| VENL | EN low-level input voltage | EN | 0.8 | V | |||
| REN | EN pin resistance to GND | VEN = 12 V | 225 | 400 | 900 | k? | |
| VFB VOLTAGE AND DISCHARGE RESISTANCE | |||||||
| VFB threshold voltage | VO = 1.05 V, IO = 10 mA, Eco-mode? operation | 774 | mV | ||||
| VFBTH | VFB threshold voltage | VO = 1.05 V, continuous mode operation | 749 | 768 | 787 | mV | |
| IVFB | VFB input current | VFB = 0.8 V | 0 | ±0.1 | μA | ||
| MOSFET | |||||||
| RDS(on)h | High-side switch resistance | TA = 25°C, VBST – SW = 5.5 V | 140 | m? | |||
| RDS(on)l | Low-side switch resistance | TA = 25°C | 84 | m? | |||
| CURRENT LIMIT | |||||||
| Iocl | Current limit | DC current, VOUT = 1.05 V, L1 = 2.2 μH | 1.2 | 1.6 | 2.0 | A | |
| THERMAL SHUTDOWN | |||||||
| TSDN | Thermal shutdown threshold(1) | Shutdown temperature | 160 | °C | |||
| Hysteresis | 25 | ||||||
| ON-TIME TIMER CONTROL | |||||||
| tOFF(MIN) | Minimum off time | VFB = 0.5 V | 220 | 310 | ns | ||
| SOFT START | |||||||
| tss | Soft-start time | Internal soft-start time | 1.0 | ms | |||
| Frequency | |||||||
| Fsw | Switching frequency | VIN = 12 V, VO = 1.05 V, FCCM mode | 580 | kHz | |||
| OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION | |||||||
| VUVP | Output UVP threshold | Hiccup detect (H > L) | 65% | ||||
| THICCUP_WAIT | Hiccup wait time | 1.8 | ms | ||||
| THICCUP_RE | Hiccup time before restart | 15 | ms | ||||
| UVLO | |||||||
| UVLO | UVLO threshold | Wake up VIN voltage | 4.0 | 4.3 | V | ||
| Shut down VIN voltage | 3.3 | 3.6 | |||||
| Hysteresis VIN voltage | 0.4 | ||||||