ATL432LI-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)
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.
기술 자료
| 상위 문서 | 유형 | 직함 | 형식 옵션 | 최신 영어 버전 다운로드 | 날짜 |
|---|---|---|---|---|---|
| * | 데이터 시트 | ATL431LI-Q1 / ATL432LI-Q1 High Bandwidth Low-IQ Programmable Shunt Regulator datasheet (Rev. A) | PDF | HTML | 2019. 11. 14 | |
| 애플리케이션 노트 | Precision Current Sources and Sinks Using Voltage References (Rev. A) | PDF | HTML | 2026. 4. 15 | ||
| 기능 안전 정보 | ATL43xLI-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA | PDF | HTML | 2020. 9. 17 | ||
| e북 | Voltage Supervisor and Reset ICs: Tips, Tricks and Basics | 2019. 6. 28 | |||
| 애플리케이션 노트 | Implementing Voltage References and Supervisors Into Your Traction Inverter Desi | 2019. 5. 22 | |||
| 애플리케이션 노트 | Designing with the ATL431LI | 2018. 11. 27 |
설계 및 개발
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SHUNT-REFERENCE-CALC — Shunt Reference Selector and Design Calculator
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| SOT-23 (DBZ) | 3 | Ultra Librarian |