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TLVH431QDBZTG4 +BOM

1.5% low-voltage wide-operating current adjustable precision shunt regulator

Hersteller:

Texas Instruments
Herstellerteil #:

TLVH431QDBZTG4
Datenblatt:

TLVH431QDBZTG4 Datenblatt (PDF)
Mounting Style:

SMD/SMT
Reference Type:

Shunt Adjustable Precision References
Output Voltage:

Adjustable
Initial Accuracy:

1.5 %
EDA/CAD Modelle:

Fordern Sie kostenlose CAD-Modelle für an TLVH431QDBZTG4

Email: [email protected]

Skype: live:.cid.ab6b29428937b76

Tel: +852 95804164

TLVH431QDBZTG4 Allgemeine Beschreibung

The TLVH431 and TLVH432 devices are low-voltage 3-terminal adjustable voltage references, with specified thermal stability over applicable industrial and commercial temperature ranges. Output voltage can be set to any value between V_REF (1.24 V) and 18 V with two external resistors (see Figure 7-2). These devices operate from a lower voltage (1.24 V) than the widely used TL431 and TL1431 shunt-regulator references.

When used with an optocoupler, the TLVH431 and TLVH432 devices are ideal voltage references in isolated feedback circuits for 3-V to 3.3-V switching-mode power supplies. They have a typical output impedance of 0.25 Ω. Active output circuitry provides a very sharp turn-on characteristic, making the TLVH431 and TLVH432 devices excellent replacements for low-voltage Zener diodes in many applications, including on-board regulation and adjustable power supplies.

The TLVH432 device is identical to the TLVH431 device, but is offered with different pinouts for the 3-pin SOT-23 and SOT-89 packages.

Hauptmerkmale

Low-voltage operation: down to 1.24 V
Reference voltage tolerances at 25°C
- 0.5% for B grade
- 1% for A grade
- 1.5% for standard grade
Adjustable output voltage, V_O = V_REF to 18 V
Wide operating cathode current range: 100 µA to 70 mA
0.25-Ω typical output impedance
–40°C to +125°C specifications
TLVH432 provides alternative pinouts for SOT-23-3 and SOT-89 packages
Ultra-small SC-70 package offers 40% smaller footprint than SOT-23-3

Spezifikationen

Product Category	Voltage References	Mounting Style	SMD/SMT
Reference Type	Shunt Adjustable Precision References	Output Voltage	Adjustable
Initial Accuracy	1.5 %	Temperature Coefficient	138 PPM / C
Series VREF - Input Voltage - Max	20 V	Shunt Current - Max	80 mA
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature	+ 125 C
Series	TLVH431	Description/Function	LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR
Height	1 mm	Length	2.92 mm
Maximum Output Voltage	18 V	Product	Voltage References
Product Type	Voltage References	Shunt Current - Min	80 uA
Factory Pack Quantity	250	Subcategory	PMIC - Power Management ICs
Topology	Shunt References	Width	1.3 mm
Unit Weight	0.000282 oz

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