
For Reference Only
Part Number | ST1S31PUR |
OEMstron Part # | ST1S31PUR |
Manufacturer | STMicroelectronics |
Category | Semiconductors › Power Management ICs › Voltage Regulators - DC DC Switching Regulators |
Description | IC REG BUCK ADJ 3A 8VFDFPN |
Lifecycle | Active |
RoHS | No RoHS Information |
EDA/CAD Models | ST1S31PUR PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Mar 16 - Mar 21 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
ST1S31PUR Specifications
Part Number | ST1S31PUR | |
Brand | STMicroelectronics | |
Lifecycle | Active | |
RoHS | No RoHS Information | |
Product Line | Semiconductors | |
Category | Power Management ICs | |
Subcategory | Voltage Regulators - DC DC Switching Regulators | |
Manufacturer | STMicroelectronics | |
Series | - | |
Function | Step-Down | |
Output Configuration | Positive | |
Topology | Buck | |
Output Type | Adjustable | |
Number of Outputs | 1 | |
Voltage - Input (Min) | 2.8V | |
Voltage - Input (Max) | 5.5V | |
Voltage - Output (Min/Fixed) | 0.8V | |
Voltage - Output (Max) | 5.5V | |
Current - Output | 3A | |
Frequency - Switching | 1.5MHz | |
Synchronous Rectifier | Yes | |
Operating Temperature | -40°C ~ 150°C (TJ) | |
Mounting Type | Surface Mount | |
Package / Case | 8-VDFN Exposed Pad | |
Supplier Device Package | 8-VFDFPN (3x3) |
ST1S31PUR Documents

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Part Number | Description | Stock |
ST1S31PUR D# V79:2366_17780678 STMicroelectronics |
Conv DC-DC 2.8V to 5.5V Synchronous Step Down Single-Out 0.8V to 5.5V 3A 8-Pin VFDFPN EP T/R RoHS: Compliant
|
Americas - 43204 |
AST1S31PUR D# E02:0323_09045811 STMicroelectronics |
Conv DC-DC 2.8V to 4V Synchronous Step Down Single-Out 0.8V to 4V 3A Automotive 8-Pin VFDFPN EP T/R RoHS: Compliant
|
Europe - 21000 |
Part Number | Description | Stock |
ST1S31PUR D# ST1S31PUR STMicroelectronics |
Conv DC-DC Single Step Down 2.8V to 5.5V 8-Pin VFDFPN EP - Tape and Reel (Alt: ST1S31PUR) |
Americas - 0 |
AST1S31PUR D# AST1S31PUR STMicroelectronics |
Conv DC-DC Single Step Down 2.8V 4V 8-Pin VFDFPN T/R - Tape and Reel (Alt: AST1S31PUR) RoHS: Compliant
|
Americas - 0 |
Part Number | Description | Stock |
ST1S31PUR D# ST1S31PUR STMicroelectronics |
Conv DC-DC Single Step Down 2.8V to 5.5V 8-Pin VFDFPN EP (Alt: ST1S31PUR) |
Asia - 0 |
Part Number | Description | Stock |
AST1S31PUR D# AST1S31PUR STMicroelectronics |
Conv DC-DC Single Step Down 2.8V 4V 8-Pin VFDFPN T/R (Alt: AST1S31PUR) |
Europe - 0 |
ST1S31PUR D# ST1S31PUR STMicroelectronics |
Conv DC-DC Single Step Down 2.8V to 5.5V 8-Pin VFDFPN EP (Alt: ST1S31PUR) |
Europe - 0 |
Part Number | Description | Stock |
ST1S31PUR STMicroelectronics |
1030 |
Part Number | Description | Stock |
ST1S31PUR STMicroelectronics |
STMicroelectronics ST1S31PUR |
2500 |
Part Number | Description | Stock |
ST1S31PUR D# C1S730200745226 STMicroelectronics |
Conv DC-DC 2.8V to 5.5V Synchronous Step Down Single-Out 0.8V to 5.5V 3A 8-Pin VFDFPN EP T/R RoHS: Compliant
pbFree: Yes
Min Qty: 5
Container: Cut Tape
|
50 |
Part Number | Description | Stock |
AST1S31PUR D# AST1S31PUR-ND STMicroelectronics |
IC REG BUCK ADJ 3A 8VFDFPN |
Temporarily Out of Stock |
ST1S31PUR D# 497-13213-1-ND STMicroelectronics |
IC REG BUCK ADJ 3A 8VFDFPN |
3048 In Stock |
Part Number | Description | Stock |
ST1S31PUR STMicroelectronics |
In stock shipping within 2days |
23080 |
Part Number | Description | Stock |
ST1S31PUR D# 2311346 STMicroelectronics |
VOLTAGE REG, BUCK, 3A, 1.5MHZ, VFDFPN-8 RoHS: Compliant
Min Qty: 1
Container: Each
|
465 |
Part Number | Description | Stock |
ST1S31PUR STMicroelectronics |
RoHS: Compliant
pbFree: Yes
|
0 |
AST1S31PUR STMicroelectronics |
RoHS: Compliant
pbFree: Yes
|
0 |
Part Number | Description | Stock |
ST1S31PUR STMicroelectronics |
OEM/CM QUOTES ONLY | NO BROKERS |
27727 |
STMST1S31PUR STMicroelectronics |
OEM/CM QUOTES ONLY | NO BROKERS |
3094 |
AST1S31PUR STMicroelectronics |
OEM/CM QUOTES ONLY | NO BROKERS |
11500 |
Part Number | Description | Stock |
ST1S31PUR STMicroelectronics |
1459 |
Part Number | Description | Stock |
ST1S31PUR STMicroelectronics |
OEM/CM Immediate delivery |
26000 |
AST1S31PUR STMicroelectronics |
OEM/CM Immediate delivery |
30000 |
Part Number | Description | Stock |
AST1S31PUR D# 511-AST1S31PUR STMicroelectronics |
Switching Voltage Regulators POWER MANAGEMENT |
88 |
ST1S31PUR D# 511-ST1S31PUR STMicroelectronics |
Switching Voltage Regulators 3A DC Step Down REG 2.8V to 5.5V 1.5MHz RoHS: Compliant
|
1989 |
Part Number | Description | Stock |
AST1S31PUR D# 74Y6600 STMicroelectronics |
DFD PROTECTION & FILTER RoHS: Not Compliant
Min Qty: 3000
Container: TAPE & REEL - FULL
|
0 |
ST1S31PUR D# 86W0719 STMicroelectronics |
VOLTAGE REG, BUCK, 3A, 1.5MHZ, VFDFPN-8, Topology:Synchronous Buck (Step Down), Input Voltage Min:2.8V, Input Voltage Max:5.5V, No. of Outputs:1Outputs, DC / DC Converter IC Case:VFDFPN, No. of Pins:8Pins, Output Current:3A, Output RoHS Compliant: Yes RoHS: Compliant
Min Qty: 1
Container: Bulk
|
460 |
Part Number | Description | Stock |
ST1S31PUR D# NS-ST1S31PUR STMicroelectronics |
OEM/CM ONLY |
7478 |
Part Number | Description | Stock |
ST1S31PUR STMicroelectronics |
SWITCHING REGULATOR, CURRENT-MODE, 1900KHZ SWITCHING FREQ-MAX, PDSO8 |
7313 |
Part Number | Description | Stock |
ST1S31PUR D# 8103766 STMicroelectronics |
STMicroelectronics Surface Mount Switching Regulator, 0.8 5.5V dc Output Voltage, 2.8 5.5V dc Input, TA Min Qty: 5
Container: Ammo Pack
|
780 |
Part Number | Description | Stock |
AST1S31PUR STMicroelectronics |
OEM/CM ONLY |
10011 |
STMST1S31PUR STMicroelectronics |
OEM/CM ONLY |
2616 |
ST1S31PUR STMicroelectronics |
OEM/CM ONLY |
10718 |
Part Number | Description | Stock |
AST1S31PUR STMicroelectronics |
IN stock Immediate delivery |
29985 |
ST1S31PUR STMicroelectronics |
IN stock Immediate delivery |
25985 |
Part Number | Description | Stock |
ST1S31PUR STMicroelectronics |
shipping today |
25999 |
Part Number | Description | Stock |
AST1S31PUR D# 52958649 STMicroelectronics |
Conv DC-DC 2.8V to 4V Synchronous Step Down Single-Out 0.8V to 4V 3A Automotive 8-Pin VFDFPN EP T/R RoHS: Compliant
|
Americas - 21000 |
ST1S31PUR D# 26112982 STMicroelectronics |
Conv DC-DC 2.8V to 5.5V Synchronous Step Down Single-Out 0.8V to 5.5V 3A 8-Pin VFDFPN EP T/R RoHS: Compliant
|
Americas - 43204 |
Part Number | Description | Stock |
ST1S31PUR D# 2311346RL STMicroelectronics |
VOLTAGE REG, BUCK, 3A, 1.5MHZ, VFDFPN-8 RoHS: Compliant
Min Qty: 1
Container: Reel
|
0 |
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Quick Inquiry
In Stock | 446 - More on Order |
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Quote Limit | No Limit |
Lead-Time | Can Ship Immediately |
Minimum | 1 |
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Pricing (USD)
Qty. | Unit Price | Ext. Price |
---|---|---|
1 | $ 1.8804 | $ 1.8804 |
100 | $ 1.8804 | $ 188.0400 |
500 | $ 1.8804 | $ 940.2000 |
1000 | $ 1.8804 | $ 1,880.4000 |
2500 | $ 1.8804 | $ 4,701.0000 |
OEMstron will offer the most competitive prices for you, please refer to the quotations.
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