LM431
(ACTIVE) Adjustable Precision Zener Shunt Regulator

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Adjustable Precision Zener Shunt Regulator - LM431

Datasheet


Sample & Buy

Free Samples Buy from Authorized Distributors Part # Status Temp (oC) Price | QTY Package | Pins Top Side Marking Package QTY | Carrier Distributor Inventory TI 1k Lead Time
Not Available Contact Distributor LM431ACM ACTIVE -40 to 85 0.20 | 1ku SOIC (D) | 8 View 95 | TUBE No Stock For lead times contact TI Authorized Distributor or local TI sales office
LM431ACM/NOPB ACTIVE -40 to 85 0.20 | 1ku SOIC (D) | 8 View 95 | TUBE >5K 1k quantity lead time: In stock
Not Available
LM431ACM3 ACTIVE -40 to 85 0.20 | 1ku SOT-23 (DBZ) | 3 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
LM431ACM3/NOPB ACTIVE -40 to 85 0.20 | 1ku SOT-23 (DBZ) | 3 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM431ACM3X ACTIVE -40 to 85 0.20 | 1ku SOT-23 (DBZ) | 3 View 3000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM431ACM3X/NOPB ACTIVE -40 to 85 0.20 | 1ku SOT-23 (DBZ) | 3 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM431ACMX ACTIVE -40 to 85 0.20 | 1ku SOIC (D) | 8 View 2500 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM431ACMX/NOPB ACTIVE -40 to 85 0.20 | 1ku SOIC (D) | 8 View 2500 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM431ACZ/LFT3 ACTIVE   0.19 | 1ku TO-92 (LP) | 3 View 2000 No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM431ACZ/LFT4 ACTIVE   0.19 | 1ku TO-92 (LP) | 3 View 2000 No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM431ACZ/NOPB ACTIVE -40 to 85 0.19 | 1ku TO-92 (LP) | 3 View 1800 >5K 1k quantity lead time: In stock
Not Available
LM431AIM ACTIVE -40 to 85 0.18 | 1ku SOIC (D) | 8 View 95 | TUBE 1K - 5K 1k quantity lead time: In stock
Not Available
LM431AIM/NOPB ACTIVE -40 to 85 0.18 | 1ku SOIC (D) | 8 View 95 | TUBE >5K 1k quantity lead time: In stock
Not Available
LM431AIM3 ACTIVE -40 to 85 0.18 | 1ku SOT-23 (DBZ) | 3 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
LM431AIM3/NOPB ACTIVE -40 to 85 0.18 | 1ku SOT-23 (DBZ) | 3 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM431AIM3X ACTIVE -40 to 85 0.18 | 1ku SOT-23 (DBZ) | 3 View 3000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM431AIM3X/NOPB ACTIVE -40 to 85 0.18 | 1ku SOT-23 (DBZ) | 3 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM431AIMX ACTIVE -40 to 85 0.18 | 1ku SOIC (D) | 8 View 2500 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM431AIMX/NOPB ACTIVE -40 to 85 0.18 | 1ku SOIC (D) | 8 View 2500 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM431AIZ/LFT1 ACTIVE   0.18 | 1ku TO-92 (LP) | 3 View 2000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
LM431AIZ/NOPB ACTIVE -40 to 85 0.18 | 1ku TO-92 (LP) | 3 View 1800 >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM431BCM ACTIVE -40 to 85 0.20 | 1ku SOIC (D) | 8 View 95 | TUBE No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM431BCM/NOPB ACTIVE -40 to 85 0.20 | 1ku SOIC (D) | 8 View 95 | TUBE >5K 1k quantity lead time: In stock
Not Available
LM431BCM3 ACTIVE -40 to 85 0.20 | 1ku SOT-23 (DBZ) | 3 View 1000 | LARGE T&R 1K - 5K 1k quantity lead time: In stock
Not Available
LM431BCM3/NOPB ACTIVE -40 to 85 0.20 | 1ku SOT-23 (DBZ) | 3 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available
LM431BCM3X/NOPB ACTIVE -40 to 85 0.20 | 1ku SOT-23 (DBZ) | 3 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM431BCMX ACTIVE -40 to 85 0.20 | 1ku SOIC (D) | 8 View 2500 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM431BCMX/NOPB ACTIVE -40 to 85 0.20 | 1ku SOIC (D) | 8 View 2500 | LARGE T&R >5K 1k quantity lead time: In stock
LM431BCZ/NOPB ACTIVE -40 to 85 0.20 | 1ku TO-92 (LP) | 3 View 1800 >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM431BIM ACTIVE -40 to 85 0.19 | 1ku SOIC (D) | 8 View 95 | TUBE No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM431BIM/NOPB ACTIVE -40 to 85 0.19 | 1ku SOIC (D) | 8 View 95 | TUBE >5K 1k quantity lead time: In stock
Not Available
LM431BIM3 ACTIVE -40 to 85 0.19 | 1ku SOT-23 (DBZ) | 3 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
LM431BIM3/NOPB ACTIVE -40 to 85 0.19 | 1ku SOT-23 (DBZ) | 3 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available
LM431BIM3X ACTIVE -40 to 85 0.19 | 1ku SOT-23 (DBZ) | 3 View 3000 | LARGE T&R 1K - 5K 1k quantity lead time: In stock
Not Available
LM431BIM3X/NOPB ACTIVE -40 to 85 0.19 | 1ku SOT-23 (DBZ) | 3 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM431BIMX/NOPB ACTIVE -40 to 85 0.19 | 1ku SOIC (D) | 8 View 2500 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM431CCM/NOPB ACTIVE -40 to 85 0.27 | 1ku SOIC (D) | 8 View 95 | TUBE 49 For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM431CCM3 ACTIVE -40 to 85 0.27 | 1ku SOT-23 (DBZ) | 3 View 1000 | LARGE T&R 1K - 5K 1k quantity lead time: In stock
LM431CCM3/NOPB ACTIVE -40 to 85 0.27 | 1ku SOT-23 (DBZ) | 3 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM431CCM3X ACTIVE -40 to 85 0.27 | 1ku SOT-23 (DBZ) | 3 View 3000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM431CCM3X/NOPB ACTIVE -40 to 85 0.27 | 1ku SOT-23 (DBZ) | 3 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM431CCZ/NOPB ACTIVE -40 to 85 0.27 | 1ku TO-92 (LP) | 3 View 1800 No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM431CIM ACTIVE -40 to 85 0.30 | 1ku SOIC (D) | 8 View 95 | TUBE No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM431CIM/NOPB ACTIVE -40 to 85 0.30 | 1ku SOIC (D) | 8 View 95 | TUBE >5K 1k quantity lead time: In stock
Not Available
LM431CIM3 ACTIVE -40 to 85 0.30 | 1ku SOT-23 (DBZ) | 3 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
LM431CIM3/NOPB ACTIVE -40 to 85 0.30 | 1ku SOT-23 (DBZ) | 3 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM431CIM3X ACTIVE -40 to 85 0.30 | 1ku SOT-23 (DBZ) | 3 View 3000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM431CIM3X/NOPB ACTIVE -40 to 85 0.30 | 1ku SOT-23 (DBZ) | 3 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM431CIZ/LFT1 ACTIVE   0.30 | 1ku TO-92 (LP) | 3 View 2000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
LM431CIZ/NOPB ACTIVE -40 to 85 0.30 | 1ku TO-92 (LP) | 3 View 1800 >5K 1k quantity lead time: In stock

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Related Products

Part # Name Product Family Comments
LM4120   Precision Micropower Low Dropout Voltage Reference   VOLTAGE REFERENCE - SERIES VOLTAGE REFERENCE    Lower Supply Current, Lower Temperature Coefficient & Enable Pin  
LM4125   Precision Micropower Low Dropout Voltage Reference   VOLTAGE REFERENCE - SERIES VOLTAGE REFERENCE    Lower Supply Current, Lower Temperature Coefficient  
LM4128   SOT-23 Precision Micropower Series Voltage Reference   VOLTAGE REFERENCE - SERIES VOLTAGE REFERENCE    Lower Supply Current, Lower Temperature Coefficient & Enable Pin  
LM4128-Q1   SOT-23 Precision Micropower Series Voltage Reference   VOLTAGE REFERENCE - SERIES VOLTAGE REFERENCE    Lower Supply Current, Lower Temperature Coefficient & Enable Pin  
LM4132   SOT23 Precision Low Dropout Voltage Reference   VOLTAGE REFERENCE - SERIES VOLTAGE REFERENCE    Lower Supply Current, Lower Temperature Coefficient & Enable Pin  
LMV431   Low-Voltage (1.24V) Adjustable Precision Shunt Regulators   VOLTAGE REFERENCE - SHUNT VOLTAGE REFERENCE    Low Voltage (1.24V)  

Technical Documents

Datasheet (1)

Title Type Size (KB) Date Views
PDF 1242 29 Mar 2013

External Articles (1)

Title Date
Powering The Signal Path: Using an integrated flyback IC along with post filtering will deliver a high-performance split-rail supply 24 Jan 2012

Tools & Software

Development Tools (1)

Name Part# Type
Power Stage Designer of Most Commonly Used Switchmode Power Supplies POWERSTAGE-DESIGNER Circuit Design & Simulation

Reference Designs (2)

Description Part # Company
High Efficiency Synchronous Flyback with 36-72Vin to 5Vout@2A PMP8917 Texas Instruments
± 5V Isolated, Low Noise Split Rail Generator (0.25A, 2.5W total) ISOLOWNOISESPLITRAILGEN-REF Texas Instruments

Support & Community


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Training & Events

Name Type Available During
Multi-Day PFC Design Workshop (Analog & Digital) sponsored by Biricha Digital Power Ltd. In-Person   15 Mar 2014  -  22 Mar 2014  
In-depth PFC Design Workshop In-Person   12 Nov 2013  -  14 Nov 2013  
Digital Power Multi-Day Workshop In-Person   05 Nov 2013  -  07 Nov 2013  
Optimizing Efficiency of Switching Mode Chargers Recorded Content   On Demand  
Single Cell Gauging 101 - Part 2: Classic Fuel Gauging Approaches Recorded Content   On Demand  


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