
For Reference Only
Part Number | ST1S40IDR |
OEMstron Part # | ST1S40IDR |
Manufacturer | STMicroelectronics |
Category | Semiconductors › Power Management ICs › Voltage Regulators - DC DC Switching Regulators |
Description | IC REG BUCK ADJUSTABLE 3A 8SO |
Lifecycle | Active |
RoHS | No RoHS Information |
EDA/CAD Models | ST1S40IDR 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 | ![]() |
ST1S40IDR Specifications
Part Number | ST1S40IDR | |
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) | 4V | |
Voltage - Input (Max) | 18V | |
Voltage - Output (Min/Fixed) | 0.8V | |
Voltage - Output (Max) | 18V | |
Current - Output | 3A | |
Frequency - Switching | 850kHz | |
Synchronous Rectifier | Yes | |
Operating Temperature | -40°C ~ 150°C (TJ) | |
Mounting Type | Surface Mount | |
Package / Case | 8-SOIC (0.154", 3.90mm Width) | |
Supplier Device Package | 8-SO |
ST1S40IDR Documents

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Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
ST1S40IDR D# V72:2272_17630993 STMicroelectronics |
Conv DC-DC 4V to 18V Synchronous Step Down Single-Out 0.8V to 18V 4A 8-Pin SO N T/R RoHS: Compliant
|
Americas - 217 |
Part Number | Description | Stock |
ST1S40IDR D# 45AC7801 STMicroelectronics |
Conv DC-DC Single Step Down 4V to 18V 8-Pin SO N - Product that comes on tape, but is not reeled (Alt: 45AC7801) |
Americas - 277 |
Part Number | Description | Stock |
ST1S40IDR D# ST1S40IDR STMicroelectronics |
Conv DC-DC Single Step Down 4V to 18V 8-Pin SO N (Alt: ST1S40IDR) |
Asia - 0 |
Part Number | Description | Stock |
ST1S40IDR D# ST1S40IDR STMicroelectronics |
Conv DC-DC Single Step Down 4V to 18V 8-Pin SO N (Alt: ST1S40IDR) |
Europe - 90 |
Part Number | Description | Stock |
ST1S40IDR STMicroelectronics |
IC REG BUCK SYNC ADJ 3A 8-SOIC |
Contact Us |
Part Number | Description | Stock |
ST1S40IDR D# C1S730200687889 STMicroelectronics |
Conv DC-DC 4V to 18V Step Down Single-Out 0.8V to 18V 4A 8-Pin SO N T/R RoHS: Compliant
pbFree: Yes
Min Qty: 5
|
10 |
Part Number | Description | Stock |
ST1S40IDR STMicroelectronics |
18V 3A SOIC-8_150mil DC-DC Converters RoHS |
1975 |
Part Number | Description | Stock |
ST1S40IDR D# 497-12968-1-ND STMicroelectronics |
IC REG BUCK ADJUSTABLE 3A 8SO |
11626 In Stock |
Part Number | Description | Stock |
ST1S40IDR D# 2806924RL STMicroelectronics |
DC/DC CONV, SYNC BUCK, 850KHZ, SOIC-8 RoHS: Compliant
Min Qty: 1
Container: Reel
|
0 |
Part Number | Description | Stock |
ST1S40IDR STMICROELECTRONICS |
OEM/CM QUOTES ONLY | NO BROKERS |
17850 |
Part Number | Description | Stock |
ST1S40IDR D# C126177 STMicroelectronics |
1975 |
Part Number | Description | Stock |
ST1S40IDR D# 511-ST1S40IDR STMicroelectronics |
Switching Voltage Regulators 4A Peak Step-Down 4.0V to 18V 850 kHz RoHS: Compliant
|
1819 |
Part Number | Description | Stock |
ST1S40IDR D# XSFP00000155540 STMicroelectronics |
ST1S40 Series 18 V 3 A DC SMT Step-Down Switching Regulator - SOIC-8 |
5000 |
Part Number | Description | Stock |
ST1S40IDR D# 45AC7801 STMicroelectronics |
DC/DC CONV, SYNC BUCK, 850KHZ, SOIC-8, Topology:Synchronous Buck (Step Down), Input Voltage Min:4V, Input Voltage Max:18V, No. of Outputs:1Outputs, DC / DC Converter IC Case:SOIC, No. of Pins:8Pins, Output Current:3A, Product Range:-RoHS Compliant: Yes RoHS: Compliant
Min Qty: 1
Container: Cut Tape
|
0 |
Part Number | Description | Stock |
ST1S40IDR D# NS-ST1S40IDR STMicroelectronics |
OEM/CM ONLY |
2480 |
Part Number | Description | Stock |
ST1S40IDR STMicroelectronics |
OEM/CM ONLY |
2516 |
Part Number | Description | Stock |
ST1S40IDR D# 31314573 STMicroelectronics |
Conv DC-DC 4V to 18V Synchronous Step Down Single-Out 0.8V to 18V 4A 8-Pin SO N T/R RoHS: Compliant
|
Americas - 217 |
Part Number | Description | Stock |
ST1S40IDR STMicroelectronics |
IC REG BUCK ADJ 3A SYNC 8-SOIC |
900 |
Part Number | Description | Stock |
ST1S40IDR D# 2806924 STMicroelectronics |
DC/DC CONV, SYNC BUCK, 850KHZ, SOIC-8 RoHS: Compliant
Min Qty: 1
Container: Cut Tape
|
802 |
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Quick Inquiry
In Stock | 30,514 - 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 | $ 2.0917 | $ 2.0917 |
100 | $ 2.0917 | $ 209.1700 |
500 | $ 2.0917 | $ 1,045.8500 |
1000 | $ 2.0917 | $ 2,091.7000 |
2500 | $ 2.0917 | $ 5,229.2500 |
OEMstron will offer the most competitive prices for you, please refer to the quotations.
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