TLVH431BIDBZTG4

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> Semiconductors - ICs

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Series Information for TLVH431BIDBZTG4 - Texas Instruments

Features

  • feature
    0.25-u2126 Typical Output Impedance
  • feature
    Adjustable Output Voltage, VO = VREF to 18 V
  • feature
    Low-Voltage Operation: Down to 1.24 V
  • feature
    Reference Voltage Tolerances at 25u00b0C u2013 0.5% for B Grade u2013 1% for A Grade u2013 1.5% for Standard Grade
  • feature
    TLVH432 Provides Alternative Pinouts for SOT-23-3 and SOT-89 Packages
  • feature
    Ultra-Small SC-70 Package Offers 40%
  • feature
    Wide Operating Cathode Current Range: 100 u03bcA to 70 mA
  • feature
    u201340u00b0C to +125u00b0C Specifications

Description

VOLTAGE REF SHUNT 1.24V-18V SOT-23-3
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 VREF (1.24 V) and 18 V with two external resistors (see Figure 19). These devices operate from a lower voltage (1.24 V) than the widely used TL431 and TL1431 shuntregulator 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 switchingmode 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.

Specifications

Voltage Reference Type:
Shunt - Adjustable
Product Range:
TLVH431B Series
Reference Voltage:
1.24V to 18V
Initial Accuracy:
0.5%
Temperature Coefficient:
-
Voltage Reference Case Style:
SOT-23
No. of Pins:
3Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Accuracy:
0.5
Accuracy %:
0.5%
Base Number:
431
Cathode Current Ik Max:
80mA
IC Generic Number:
431
Input Voltage:
1.2V to 18V
Input Voltage Max:
18V
Input Voltage Min:
1.2V
Logic Function Number:
431
Operating Temperature Range:
-40°C to +85°C
Operating Voltage Tolerance +:
0.5%
Output Current Max:
80mA
Output Voltage Max:
18V
Output Voltage Min:
1.24V
Reference Volt Tolerance ±%:
0.5%
Reference Voltage Tolerance:
6mV
Reference Volts:
1.24V
Temperature Coeff Over Temp Range:
6mV
Termination Type:
Surface Mount Device
Topology:
Shunt Adjustable

Alternate Descriptions

Avnet America

V-Ref Adjustable 1.24V to 18V 70mA 3-Pin SOT-23 T/R

Avnet America product