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Details for LMV431BIMF by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
VOLTAGE REF SHUNT 1.24V-30V SOT-23-3
LMV431BIMF image

LMV431BIMF by Texas Instruments

VOLTAGE REF SHUNT 1.24V-30V SOT-23-3
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 Information
LMV431BIMF image
RoHS Compliant
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.
Specifications
Voltage Reference Type:
Shunt - Adjustable
Product Range:
LMV431B Series
Reference Voltage:
1.24V to 30V
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)
Operating Temperature Range:
-40°C to +85°C
Reference Volt Tolerance ±%:
0.5%
Topology:
Shunt Adjustable
Alternate Descriptions
V-Ref Adjustable 1.24V to 30V 15mA 3-Pin SOT-23 T/R Avnet America