LMV431CM5/NOPB Part Information

Details for LMV431CM5/NOPB by Texas Instruments

Electronic & Electrical Components>Semiconductors - ICs>Power Management

Part Description

The LMV431, LMV431A and LMV431B are precision 1.24 V shunt regulators capable of adjustment to 30 V. Negative feedback from the cathode to the adjust pin controls the cathode voltage, much like a noninverting op amp configuration (Refer to Symbol and Functional Diagrams). A two-resistor voltage divider terminated at the adjust pin controls the gain of a 1.24 V band-gap reference. Shorting the cathode to the adjust pin (voltage follower) provides a cathode voltage of a 1.24 V. The LMV431, LMV431A and LMV431B have respective initial tolerances of 1.5%, 1%, and 0.5%, and functionally lend themselves to several applications that require zener diode type performance at low voltages. Applications include a 3 V to 2.7 V low drop-out regulator, an error amplifier in a 3 V off-line switching regulator and even as a voltage detector. These parts are typically stable with capacitive loads greater than 10 nF and less than 50 pF. The LMV431, LMV431A and LMV431B provide performance at a competitive price.

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Part Features

  • 0.5% Initial Tolerance (LMV431B)
  • Fast Turn-On Response
  • Low Cost
  • Low Operation Current (55 u00b5A)
  • Low Output Impedance (0.25 u2126)
  • Low-Voltage Operation/Wide Adjust Range (1.24 V/30 V)
  • Temperature Compensated for Industrial Temperature Range (39 PPM/u00b0C for the LMV431AI)

Part Specifications

Voltage Reference Type Shunt - Adjustable
Product Range LMV431 Series
Reference Voltage 1.24V to 30V
Initial Accuracy 1.5%
Temperature Coefficient -
Voltage Reference Case Style SOT-23
No. of Pins 5Pins
Operating Temperature Min 0°C
Operating Temperature Max 70°C
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Accuracy % 1.5%
Base Number 431
Cathode Current Ik Max 15mA
IC Temperature Range Commercial
Input Voltage Max 30V
Input Voltage Min 1.24V
Logic Function Number 431
Operating Temperature Range 0°C to +70°C
Operating Voltage Tolerance + 1.5%
Output Current Max 100mA
Output Voltage Max 30V
Output Voltage Min 1.24V
Reference Volt Tolerance ±% 1.5%
Reference Voltage Tolerance 18mV
Reference Volts 1.24V
Temperature Coeff Over Temp Range 4mV
Topology Shunt Adjustable
Voltage Regulator Type Positive Adjustable
RoHS Compliant

Alternative Part Descriptions

  • 1.5%, low-voltage (1.24-V) adjustable precision shunt regulator | Texas Instruments
  • Voltage Reference [Texas Instruments] LMV431CM5/NOPB Voltage Reference | Distrelec

Frequently Asked Questions

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What category does LMV431CM5/NOPB fall under?

The LMV431CM5/NOPB is listed under Electronic & Electrical Components > Semiconductors - ICs > Power Management.

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Yes. This part has been flagged as RoHS Compliant by Farnell.

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