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ST1S12G18R The STMicroelectronics ST1S12G18R is a step-down switching voltage regulator. It provides a fixed 1.8V output at up to 700mA current.
Mfr Part #:

ST1S12G18R

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics ST1S12G18R is a step-down switching voltage regulator. It provides a fixed 1.8V output at up to 700mA current.
✓ Total Stock: 8,760 pcs
$ Price Range: $1.08

ST1S12G18R Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
Non-Authorised Inventory information
6,000 pcs
On Request
6000 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
2,760 pcs
On Request
2760 pcs On Request 1 On Request On Request 18+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

ST1S12G18R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Current
Output Type
Output Voltage
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
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ST1S12G18R Description

Short technical summary and product information.

The STMicroelectronics ST1S12G18R is a synchronous buck (step-down) switching voltage regulator designed for efficient power conversion. It features a fixed output voltage of 1.8V and can deliver a continuous output current of up to 700mA.

 

With a high switching frequency of 1.7MHz, this regulator enables the use of smaller external components, contributing to a compact solution. The input voltage range is from 2.5V to 5.5V, making it suitable for various battery-powered and low-voltage applications. The device operates within a wide temperature range of -40°C to +125°C.

 

Packaged in a compact TSOT-23-5 surface-mount package, the ST1S12G18R is ideal for designs where space is a constraint. Its synchronous rectification topology enhances efficiency, reducing power loss. The regulator is designed for applications requiring stable and efficient voltage regulation from a higher input voltage source.

ST1S12G18R Quick Information

Product Type: Switching Voltage Regulator
Series: St1s12g
Canonical Name: STMicroelectronics ST1S12G18R Step-Down Switching Voltage Regulator
Subcategory: DC-DC Switching Regulator

ST1S12G18R Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ST1S12G18R Estimated Pricing

Qty Low High
1+ $1.08 $1.08

Estimated market price range - modelled values for guidance only, not live distributor offers.

ST1S12G18R Features

  • Step-down switching voltage regulator
  • Fixed 1.8V output voltage
  • 700mA maximum output current
  • 1.7MHz switching frequency
  • TSOT-23-5 surface mount package

ST1S12G18R Applications

  • Powering low-voltage electronics
  • Battery-operated devices
  • Portable electronic equipment
  • Compact power supply designs

ST1S12G18R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the ST1S12G18R?

The output voltage is fixed at 1.8V.

What is the input voltage range?

The input voltage range is 2.5V to 5.5V.

What is the maximum output current?

The maximum output current is 700mA.

What package is the ST1S12G18R available in?

The ST1S12G18R is available in a TSOT-23-5 surface-mount package.

What is the operating temperature range?

The operating junction temperature range is -40°C to +125°C.

What is the switching frequency?

The switching frequency is 1.7MHz.

How many outputs does this regulator have?

This regulator has one output.

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