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ST1S31PUR

Name: STMicroelectronics ST1S31PUR
Brand: STMicroelectronics
SKU: 511-ST1S31PUR
Price: 1.55 GBP
Availability: OutOfStock

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See Product Specifications

Mouser No:

511-ST1S31PUR

Mfr. No:

ST1S31PUR

Mfr.:

STMicroelectronics

Description:

Switching Voltage Regulators 3A DC Step Down REG 2.8V to 5.5V 1.5MHz

Complete Your Design

Datasheet:

ST1S31PUR Datasheet (PDF)

ECAD Model:

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More Information

Learn more about STMicroelectronics ST1S31PUR

Availability

Stock:: 0

You can still purchase this product for backorder.

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On Order:: 2,981

Expected 12/08/2026
Factory Lead Time:: 24

Weeks Estimated factory production time for quantities greater than shown.

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Minimum: 1 Multiples: 1

Unit Price:

£-.--

Ext. Price:

£-.--

Est. Tariff:

Packaging:

Full Reel (Order in multiples of 3000)

Cut Tape

MouseReel™ (+£3.50)

Pricing (GBP)

Qty.	Unit Price	Ext. Price
Cut Tape / MouseReel™ ^†
	£1.55	£1.55
	£1.14	£11.40
	£1.04	£26.00
	£0.925	£92.50
	£0.871	£217.75
	£0.841	£420.50
	£0.803	£803.00
Full Reel (Order in multiples of 3000)
	£0.796	£2,388.00
	£0.766	£4,596.00

† A MouseReel™ fee of £3.50 will be added and calculated in your basket. All MouseReel™ orders are non-cancellable and non-returnable. ↩

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Product Attribute	Attribute Value	Select Attribute
Manufacturer:	STMicroelectronics
Product Category:	Switching Voltage Regulators
RoHS:
Mounting Style:	SMD/SMT
Package/Case:	VFDFPN-EP-8
Topology:	Buck
Output Voltage:	Adjustable
Output Current:	3 A
Number of Outputs:	1 Output
Input Voltage - Min:	2.8 V
Input Voltage - Max:	5.5 V
Quiescent Current:	630 uA
Switching Frequency:	1.5 MHz
Minimum Operating Temperature:	- 40 C
Maximum Operating Temperature:	+ 150 C
Series:	ST1S31
Packaging:	Reel
Packaging:	Cut Tape
Packaging:	MouseReel
Brand:	STMicroelectronics
Product Type:	Switching Voltage Regulators
Factory Pack Quantity:	3000
Subcategory:	PMIC - Power Management ICs
Unit Weight:	22 mg

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Datasheet

ST1S31PUR Datasheet (PDF)

Models

ST1S31PUR Symbol & Footprint by SnapMagic

PCN

Compliance Codes

CNHTS:: 8542399000
CAHTS:: 8542390000
USHTS:: 8542390090
JPHTS:: 854239099
TARIC:: 8542399000
MXHTS:: 8542399901
ECCN:: EAR99

Origin Classifications

Country of Origin:: Malaysia
Assembly Country of Origin:: Not available
Country of Diffusion:: Italy

The country is subject to change at the time of shipment.

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 V_IN.