ZHCSDM3D October 2014 – June 2019 TPS82084 , TPS82085
PRODUCTION DATA.
請參考 PDF 數(shù)據(jù)表獲取器件具體的封裝圖。
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| SUPPLY | ||||||
| VIN | Input voltage range | 2.5 | 6 | V | ||
| IQ | Quiescent current into VIN | No load, device not switching
TJ = -40°C to 85°C, VIN = 2.5 V to 5.5 V |
17 | 25 | µA | |
| ISD | Shutdown current into VIN | EN = Low,
TJ = -40°C to 85°C, VIN = 2.5 V to 5.5 V |
0.7 | 5 | µA | |
| VUVLO | Under voltage lock out threshold | VIN falling | 2.1 | 2.2 | 2.3 | V |
| VIN rising | 2.3 | 2.4 | 2.5 | V | ||
| TJSD | Thermal shutdown threshold | TJ rising | 150 | °C | ||
| Thermal shutdown hysteresis | TJ falling | 20 | °C | |||
| LOGIC INTERFACE EN | ||||||
| VIH | High-level input voltage | 1.0 | V | |||
| VIL | Low-level input voltage | 0.4 | V | |||
| Ilkg(EN) | Input leakage current into EN pin | EN = High | 0.01 | 0.16 | µA | |
| RPD | Pull-down resistance at EN pin | EN = Low | 400 | kΩ | ||
| SOFT START, POWER GOOD | ||||||
| tSS | Soft start time | Time from EN high to 95% of VOUT nominal | 0.8 | ms | ||
| VPG | Power good threshold | VOUT rising, referenced to VOUT nominal | 93% | 95% | 98% | |
| VOUT falling, referenced to VOUT nominal | 88% | 90% | 93% | |||
| VPG,OL | Low-level output voltage | Isink = 1mA | 0.4 | V | ||
| Ilkg(PG) | Input leakage current into PG pin | VPG = 5V | 0.01 | 0.16 | µA | |
| OUTPUT | ||||||
| VOUT | Output voltage range | 0.8 | VIN | V | ||
| VFB | Feedback regulation voltage | PWM mode | 792 | 800 | 808 | mV |
| PSM mode, COUT = 22 µF | 792 | 800 | 817 | |||
| Ilkg(FB) | Feedback input leakage current | VFB = 0.8 V | 0.01 | 0.1 | µA | |
| RDIS | Output discharge resistor | EN = Low, VOUT = 1.8 V | 260 | Ω | ||
| Line regulation | IOUT = 1 A, VIN = 2.5 V to 6 V | 0.02 | %/V | |||
| Load regulation | IOUT = 0.5 A to 3 A | 0.16 | %/A | |||
| POWER SWITCH | ||||||
| RDS(on) | High-side FET on-resistance | ISW = 500 mA | 31 | 56 | mΩ | |
| Low-side FET on-resistance | ISW = 500 mA | 23 | 45 | mΩ | ||
| RDP | Dropout resistance | 100% mode | 69 | mΩ | ||
| ILIMF | High-side FET switch current limit | TPS82085 | 3.7 | 4.6 | 5.5 | A |
| TPS82084 | 3.6 | |||||
| fSW | PWM switching frequency | IOUT = 1 A | 2.4 | MHz | ||