Gehäuseinformationen
| Gehäuse | Pins SOT-23 (DBZ) | 3 |
| Betriebstemperaturbereich (°C) -40 to 125 |
| Gehäusemenge | Träger 3.000 | LARGE T&R |
Merkmale von ATL431LI-Q1
- Qualified for automotive applications
- AEC-Q100 qualified with the following
results:
- Device temperature grade 1: –40°C to +125°C ambient operating temperature
- Reference voltage tolerance at 25°C
- 0.5% (B grade)
- 1% (A grade)
- Minimum typical output voltage: 2.5 V
- Adjustable output voltage: Vref to 36 V
- Operation from −40°C to +125°C
- 27 mV maximum temperature drift
- 0.3-Ω typical output impedance
- Sink-current
capability
- Imin = 0.08 mA (max)
- IKA = 15 mA (max)
- Reference input current IREF: 0.4 µA (max)
- Deviation of reference input current over temperature, II(dev): 0.3 µA (max)
Beschreibung von ATL431LI-Q1
The ATL43xLI-Q1 is a three-terminal adjustable shunt regulator, with specified thermal stability over applicable automotive, commercial, and military temperature ranges. Its output voltage can be set to any value between Vref (approximately 2.5 V) and 36 V with two external resistors. The device has a typical output impedance of 0.3 Ω. Its active output circuitry provides a very sharp turn-on characteristic, making it an excellent replacement for Zener diodes in many applications, such as onboard regulation, adjustable power supplies, and switching power supplies. This device is a pin-to-pin alternative to the TL431LI-Q1 and TL432LI-Q1, with lower minimum operating current to help reduce system power consumption. The ATL432LI-Q1 has exactly the same functionality and electrical specifications as the ATL431LI-Q1, but has a different pinout for the DBZ package.
The ATL431LI-Q1 is offered in two grades, with initial tolerances (at 25°C) of 0.5%, and 1%, for the B and A grade, respectively. The ATL43xLI-Q1 is characterized for operation from –40°C to +125°C, and its low output drift versus temperature ensures good stability over the entire temperature range.