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TL431LIAQDBZRQ1 +BOM

Automotive, adjustable, precision shunt regulator with optimized reference current

Produttore:

Texas Instruments, Inc
ProduttorePart #:

TL431LIAQDBZRQ1
Scheda dati:

TL431LIAQDBZRQ1 Scheda dati (PDF)
Series:

Automotive, AEC-Q100
Reference Type:

Shunt
Output Type:

Adjustable
Voltage - Output (Min/Fixed):

2.495V
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per TL431LIAQDBZRQ1

TL431LIAQDBZRQ1 Descrizione generale

The TL431LI-Q1 is a three-terminal adjustable shunt regulator, with specified thermal stability over applicable automotive, commercial, and military temperature ranges. The output voltage can be set to any value between V_ref (approximately 2.495 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 industry standard TL431-Q1 with optimized I_ref and I_Idev performance. The lower I_ref and I_Idev values of the TL431LI-Q1 enable designers to achieve higher system accuracy and lower leakage current. The TL432LI-Q1 has exactly the same functionality and electrical specifications as the TL431LI-Q1, but has a different pinout for the DBZ package.

The TL431LI-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 TL431LI-Q1 is also available in two temperature grades: grade 1 (denoted by a Q in the part number), and grade 0 (denoted by a E in the part number), which represent maximum ambient operating temperatures of 125°C and 150°C respectively. The TL43xLI-Q1 is characterized for operation from –40°C to 125°C for grade 1, and –40°C to 150°C for grade 0, and its low output drift versus temperature ensures good stability over the entire temperature range.

Caratteristiche principali

Qualified for automotive applications
AEC-Q100 qualified with the following results:
- Device temperature grade 1: –40°C to +125°C ambient operating temperature
- Device temperature grade 0: –40°C to +150°C ambient operating temperature
Reference voltage tolerance at 25°C
- 0.5% (B grade)
- 1% (A grade)
Minimum typical output voltage: 2.495 V
Adjustable output voltage: V_ref to 36 V
27 mV maximum temperature drift for grade 1
34 mV maximum temperature drift for grade 0
0.3-Ω typical output impedance
Sink-current capability
- I_min = 0.6 mA (max)
- I_KA = 15 mA (max)
Reference input current I_REF: 0.4 µA (max)
Deviation of reference input current over temperature, I_I(dev): 0.3 µA (max)

Specifiche

Category	Integrated Circuits (ICs)Power Management (PMIC)Voltage Reference	Series	Automotive, AEC-Q100
Reference Type	Shunt	Output Type	Adjustable
Voltage - Output (Min/Fixed)	2.495V	Voltage - Output (Max)	36 V
Current - Output	15 mA	Tolerance	±1%
Temperature Coefficient	-	Noise - 0.1Hz to 10Hz	-
Noise - 10Hz to 10kHz	-	Voltage - Input	-
Current - Supply	-	Current - Cathode	600 µA
Operating Temperature	-40°C ~ 125°C (TA)	Mounting Type	Surface Mount
Base Product Number	TL431

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Valutazioni e recensioni

Di più

D**n 02/10/2022

The goods are received. All as in the description. Didn't check.

S**s 01/25/2022

All OK, fast shipping, good quality material

M**a 09/22/2021

For a month in yuko. Thanks, module working

J**n 08/08/2021

The parcel was received, came without damage. Checked so far only one button, works as expected. Executed qualitatively. The goods are satisfied, i recommend the seller.