Mfr. #:
ST1S31PUR
Description:
Switching Voltage Regulators 3A DC Step Down REG 2.8V to 5.5V 1.5MHz
Lifecycle:
New from this manufacturer.
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ST1S31PUR Information

ST1S31 Step-Down Switching Regulator
STMicroelectronics ST1S31 Step-Down Switching Regulator is an internally compensated 1.5MHz fixed-frequency PWM synchronous step-down regulator. The ST1S31 operates from 2.8V to 5.5V input, while it regulates an output voltage as low as 0.8V and up to VIN. This device integrates a 60mΩ high-side switch and 45mΩ synchronous rectifier allowing very high efficiency with very low output voltages. The peak current mode control with internal compensation delivers a very compact solution with a minimum component count. The ST1S31 is available in 3mm x 3mm, 8 lead VFDFPN and SO-8 packages.Learn More

Specifications

RoHS: Y
Package / Case: VFDFPN-8
Product Type: Switching Voltage Regulators
Product Category: Switching Voltage Regulators
Manufacturer: STMicroelectronics
Brand: STMicroelectronics
Series: ST1S31
Mounting Style: SMD/SMT
Packaging: Reel
Subcategory: PMIC - Power Management ICs
Topology: Buck
Output Voltage: Adjustable
Input Voltage MAX: 5.5 V
Factory Pack Quantity: 3000
Output Current: 3 A
Switching Frequency: 1.5 MHz
Number of Outputs: 1 Output
Unit Weight: 0.000776 oz

ST1S31PUR Price & Stock

STMicroelectronics ST1S31PUR pricing and available inventory.

SellerSKUStock 1 10 100 1000 10000 Updated
Digi-Key 3497-13213-1-ND2,84012.4611.178.145.305.302019-12-26T13:58:44Z
Digi-Key497-13213-6-ND2,84012.4611.178.145.305.302019-12-26T13:58:44Z
Digi-Key497-13213-2-ND-----4.712019-12-26T13:58:44Z
RS Components 38103766790-9.088.748.418.412019-12-27T11:12:54Z
RS Components8103766P790--8.748.418.412019-12-27T11:12:54Z
RS Components1656554-----6.212019-12-27T11:12:54Z
Mouser511-ST1S31PUR3,19112.0710.367.945.514.712019-12-09T17:32:23Z
element14 APAC 2231134689913.6811.749.006.266.262019-12-27T02:54:31Z
element14 APAC2311346RL--11.749.006.266.262019-12-27T02:54:31Z
Arrow ElectronicsST1S31PUR57,13610.449.197.315.135.132019-12-26T16:09:30Z
Verical 2ST1S31PUR50--4.974.974.972019-12-26T17:50:15Z
VericalST1S31PUR57,136--7.315.135.132019-12-26T17:50:15Z
AvnetST1S31PUR-----5.252019-12-27T02:44:46Z
Farnell 223113461,00412.6512.658.095.624.952019-12-27T03:00:54Z
Farnell2311346RL--12.658.095.624.952019-12-27T03:00:54Z
Newark86W071989912.0710.367.945.515.512019-12-09T17:32:24Z
Avnet EuropeST1S31PUR-----8.702019-12-27T08:48:46Z
Chip One Stop JapanC1S73020074522650-4.484.464.464.462019-12-27T12:12:13Z
LTL Group54377381,579-----2019-12-23T01:29:13Z
QuestST1S31PUR7,31311.158.363.903.492.932019-12-27T11:31:46Z
GreenTree ElectronicsST1S31PUR233-----2019-11-06T14:43:13Z
Abacus TechnologiesST1S31PUR10,164-----2019-12-06T00:07:36Z
North Star MicroST1S31PURContact-----2015-05-20T05:52:12Z
Sierra ICST1S31PURContact-----2019-12-16T00:48:56Z

Alternate Names

STMicroelectronics has several brands around the world that may have alternate names for ST1S31PUR due to regional differences or acquisition. ST1S31PUR may also be known as the following names:

  • ST MICRO
  • STM
  • SGS
  • SGS THOMSON
  • INMOS
  • SGS THOMPSON
  • STMICROE
  • STMICR
  • SESCOSEM
  • ST8
  • ST MIC
  • WAFERSCALE
  • SGS-ATES
  • STMICROELECTRON
  • ST MICROELECTRONICS SEMI
  • ST/SGS
  • SGST
  • THOMS
  • STMICROELECT
  • WAFERSCALE INTEGRATION INC
  • STMICROEL
  • SGS-Thomson Microelectronics
  • ST MICROELECTRO
  • SGS THOMP
  • SGS/ST
  • ST Microeletronics