ZHCSHI4D January 2018 – December 2019 TPS25221
PRODUCTION DATA.
- 1 特性
- 2 應用
- 3 說明
- 4 修訂歷史記錄
- 5 Device Comparison Table
- 6 Pin Configuration and Functions
- 7 Specifications
- 8 Parameter Measurement Information
- 9 Detailed Description
- 10Application and Implementation
- 11Power Supply Recommendations
- 12Layout
- 13器件和文檔支持
- 14機械、封裝和可訂購信息
封裝選項
機械數據 (封裝 | 引腳)
散熱焊盤機械數據 (封裝 | 引腳)
- DRV|6
訂購信息
7.5 Electrical Characteristics
over recommended operating conditions, VEN = VIN, RFAULT = 10 kΩ (unless otherwise noted)| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | ||||
|---|---|---|---|---|---|---|---|---|---|
| POWER SWITCH | |||||||||
| rDS(on) | Static drain-source on-state resistance | DBV package, TJ = 25°C | 70 | 80 | mΩ | ||||
| DBV package, –40°C ≤TJ ≤125°C | 110 | ||||||||
| DRV package, TJ = 25°C | 70 | 92 | |||||||
| DRV package, –40°C ≤TJ ≤125°C | 122 | ||||||||
| r | Rise time, output | VIN = 5.5 V | CL = 1 µF, RL = 100 Ω,
(see Figure 1) |
0.55 | 0.95 | ms | |||
| VIN = 2.5 V | 0.35 | 0.62 | |||||||
| tf | Fall time, output | VIN = 5.5 V | 0.24 | 0.3 | |||||
| VIN = 2.5 V | 0.22 | 0.28 | |||||||
| ENABLE INPUT EN OR EN | |||||||||
| Enable pin turn on/off threshold | 0.8 | 1.6 | V | ||||||
| IEN | Input current | VEN = 0 V or 5.5 V | -0.5 | 0 | 0.5 | µA | |||
| ton | Turnon time | CL = 1 µF, RL = 100 Ω, (see Figure 2 ) | 3 | ms | |||||
| toff | Turnoff time | CL = 1 µF, RL = 100 Ω, (see Figure 2) | 0.7 | ms | |||||
| CURRENT LIMIT | |||||||||
| IOS | Current-limit threshold (Maximum DC output current IOUT delivered to load) and Short-circuit current, OUT connected to GND | RILIM = 20 kΩ | TJ = 25°C | 2585 | 2720 | 2850 | mA | ||
| –40°C ≤TJ ≤125°C | 2560 | 2880 | |||||||
| RILIM = 30 kΩ | TJ = 25°C | 1710 | 1820 | 1930 | |||||
| –40°C ≤TJ ≤125°C | 1700 | 1945 | |||||||
| RILIM = 80 kΩ | TJ = 25°C | 630 | 690 | 755 | |||||
| –40°C ≤TJ ≤125°C | 610 | 790 | |||||||
| RILIM = 210 kΩ | TJ = 25°C | 220 | 275 | 330 | |||||
| –40°C ≤TJ ≤125°C | 210 | 370 | |||||||
| tIOS | Response time to short circuit | VIN = 5 V (see Figure 4) | 1.5 | µs | |||||
| SUPPLY CURRENT | |||||||||
| ISD | Supply current, switch disable | VIN = 5.5 V, No load on OUT, VEN = 0 V,RILIM = 20 kΩ | 0.02 | 0.5 | µA | ||||
| ISE | Supply current, switch enable | VIN = 5.5 V, No load on OUT ,RILIM = 20 kΩ | 75 | 90 | µA | ||||
| UNDERVOLTAGE LOCKOUT | |||||||||
| UVLO | Low-level input voltage, IN | VIN rising | 2.37 | 2.47 | V | ||||
| Hysteresis, IN | TJ = 25 °C | 45 | mV | ||||||
| FAULT FLAG | |||||||||
| VOL | Output low voltage, FAULT | I/FAULT = 1 mA | 180 | mV | |||||
| Off-state leakage | V/FAULT = 5.5 V | 0.5 | µA | ||||||
| FAULT deglitch | FAULT assertion or de-assertion due to overcurrent condition | 6 | 8 | 12 | ms | ||||
| THERMAL SHUTDOWN | |||||||||
| Thermal shutdown threshold | 165 | °C | |||||||
| Thermal shutdown threshold in current-limit | 145 | °C | |||||||
| Hysteresis | 20 | °C | |||||||
Figure 1. Power-On and Off Timing 
Figure 2. Enable Timing, Active High Enable 
Figure 3. Enable Timing, Active Low Enable 
Figure 4. Output Short Circuit Parameters