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TL431BQDBZR +BOM

2.495V~36V ±0.5% 100mA Adjustable SOT-23 Voltage References ROHS

Hersteller:

Texas Instruments
Herstellerteil #:

TL431BQDBZR
Datenblatt:

TL431BQDBZR Datenblatt (PDF)
Reference Type:

Shunt
Output Type:

Adjustable
Voltage - Output (Min/Fixed):

2.495V
Voltage - Output (Max):

36 V
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TL431BQDBZR Allgemeine Beschreibung

The TL431LI / TL432LI are pin-to-pin alternatives to TL431 / TL432. TL43xLI offers better stability, lower temperature drift (V_I(dev)), and lower reference current (I_ref) for improved system accuracy.

The TL431 and TL432 devices are three-terminal adjustable shunt regulators, 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 2.5 V) and 36 V, with two external resistors. These devices have a typical output impedance of 0.2 Ω. Active output circuitry provides a very sharp turn-on characteristic, making these devices excellent replacements for Zener diodes in many applications, such as onboard regulation, adjustable power supplies, and switching power supplies. The TL432 device has exactly the same functionality and electrical specifications as the TL431 device, but has different pinouts for the DBV, DBZ, and PK packages.

Both the TL431 and TL432 devices are offered in three grades, with initial tolerances (at 25°C) of 0.5%, 1%, and 2%, for the B, A, and standard grade, respectively. In addition, low output drift versus temperature ensures good stability over the entire temperature range.

The TL43xxC devices are characterized for operation from 0°C to 70°C, the TL43xxI devices are characterized for operation from –40°C to 85°C, and the TL43xxQ devices are characterized for operation from –40°C to 125°C.

Hauptmerkmale

Reference voltage tolerance at 25°C
- 0.5% (B grade)
- 1% (A grade)
- 2% (Standard grade)
Adjustable output voltage: V_ref to 36 V
Operation from 40°C to 125°C
Typical temperature drift (TL43xB)
- 6 mV (C temp)
- 14 mV (I temp, Q temp)
Low Output Noise
0.2-Ω Typical output impedance
Sink-current capability: 1 mA to 100 mA

Anwendung

• Rack server power
• Industrial AC/DC
• AC inverter & VF drives
• Servo drive control module
• Notebook PC power adapter design

Spezifikationen

Category	Integrated Circuits (ICs)Power Management (PMIC)Voltage Reference	Series	-
Reference Type	Shunt	Output Type	Adjustable
Voltage - Output (Min/Fixed)	2.495V	Voltage - Output (Max)	36 V
Current - Output	100 mA	Tolerance	±0.5%
Temperature Coefficient	-	Noise - 0.1Hz to 10Hz	-
Noise - 10Hz to 10kHz	-	Voltage - Input	-
Current - Supply	-	Current - Cathode	700 µA
Operating Temperature	-40°C ~ 125°C (TA)	Mounting Type	Surface Mount
Base Product Number	TL431

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