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ST1S31D-R

ST1S31D-R

ST1S31D-R

STMicroelectronics

8 Terminals 2.8V 8-Pin ST1S31 DC DC Voltage Regulator SWITCHING REGULATOR 1 Outputs 1.5MHz Digi-Reel® 8-SOIC (0.154, 3.90mm Width)

SOT-23

ST1S31D-R Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 10 Weeks
Lifecycle Status NRND (Last Updated: 7 months ago)
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154, 3.90mm Width)
Number of Pins 8
Operating Temperature-40°C~150°C TJ
PackagingDigi-Reel®
Part StatusActive
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 8
ECCN Code EAR99
Subcategory Switching Regulator or Controllers
Terminal Position DUAL
Terminal FormGULL WING
Base Part Number ST1S31
Function Step-Down
Number of Outputs 1
Output Voltage 5.5V
Output Type Adjustable
Max Output Current3A
Voltage - Input (Min) 2.8V
Input Voltage-Nom 5V
Analog IC - Other Type SWITCHING REGULATOR
Output Configuration Positive
Max Output Voltage5.5V
Voltage - Output (Min/Fixed) 0.8V
Topology Buck
Control Mode CURRENT-MODE
Frequency - Switching 1.5MHz
Control Technique PULSE WIDTH MODULATION
Synchronous RectifierYes
Min Output Voltage 800mV
Height 1.25mm
Length 5mm
Width 4mm
Radiation HardeningNo
REACH SVHC No SVHC
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:2719 items

Pricing & Ordering

QuantityUnit PriceExt. Price

ST1S31D-R Product Details

ST1S31D-R Overview


This harley voltage regulator utilizes the Digi-Reel® package for optimized performance. There are 8 terminations in this voltage regulator. The type of analog IC that this voltage regulator is equipped with is SWITCHING REGULATOR. This harley voltage regulator is available in the 8-SOIC (0.154, 3.90mm Width) package for the purpose of space saving. DC DC switching regulator is configured with 1 outputs. This DC DC switching regulator generates Adjustable output on its output pins. This voltage regulator 12v fits the Surface Mount mounting. When operating, adjusting voltage regulator's operating temperature should be kept at -40°C~150°C TJ. The switching frequency of this DC-DC switching regulator reaches 1.5MHz. This voltage regulator is able to operate with the minimal input voltage of 2.8V. DC DC switching regulator's output voltage (Min/Fixed) amounts to 0.8V. Voltage regulator is designed to provide a nominal input voltage of 5V to meet the operation requirements. This voltage regulator is included in the Switching Regulator or Controllers subcategory. This DC/DC regulator belongs to the ST1S31 family. The adjusting voltage regulator's output voltage is maintain at 5.5V. 8 pins are used for switching regulator operation. The output voltage for this switching regulator should be kept at 800mV at least. Voltage regulator's maximal output current reaches 3A A to meet the operation requirements. It provides the adjusting voltage regulator's maximal output voltage of 5.5V.

ST1S31D-R Features


1 outputs
8 pins


ST1S31D-R Applications


There are a lot of STMicroelectronics
ST1S31D-R Voltage Regulators applications.


  • CNC system
  • Servo drive system
  • Digital display device
  • Linear guide
  • Ball screw pair
  • Computer application technology
  • Network technology
  • Automation technology
  • CMM
  • Various precision measuring instruments

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