Mfr Part #:

LD1117AS18TR

Mfr Name: ST

The STMicroelectronics LD1117AS18TR is a linear voltage regulator providing a fixed 1.8V output. It features a 1A output current and is supplied in a SOT-223 package.

✓ Total Stock: 302,229 pcs

$ Price Range: $0.28

LD1117AS18TR Available from 3 distributors

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✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Romaks Technologies ✓ Non-Authorised Inventory information	301,000 pcs On Request	301000 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Smaxon Electronics ✓ Non-Authorised Inventory information	1,004 pcs On Request	1004 pcs	On Request	1	On Request	On Request	21+	On Request	On Request
Bristol Electronics ✓ Non-Authorised Inventory information	225 pcs On Request	225 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

LD1117AS18TR Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	ST
Lead Style	Gull Wing
PSRR	80dB (120Hz)
SVHC Present	Not Present
Tape & Reel	Yes
Voltage Dropout (Max)	1.3V @ 1A

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LD1117AS18TR Description

Short technical summary and product information.

The STMicroelectronics LD1117AS18TR is a linear voltage regulator designed for power management applications. It offers a fixed output voltage of 1.8V and can supply up to 1A of current. The regulator has a maximum input voltage of 15V and a typical quiescent current of 10mA.

This device is suitable for applications requiring a stable and reliable voltage supply. Its dropout voltage is a maximum of 1.3V at 1A, making it efficient for various power regulation needs. The regulator also provides a Power Supply Rejection Ratio (PSRR) of 80dB at 120Hz.

The LD1117AS18TR comes in a SOT-223 package, which is suitable for surface-mount designs. This package type facilitates integration into compact electronic circuits. The component is also available on tape and reel for automated assembly processes.

LD1117AS18TR Quick Information

Product Type: Linear Voltage Regulator

Series: LD1117

Canonical Name: STMicroelectronics LD1117AS18TR Linear Voltage Regulator

Subcategory: Linear, Low Drop Out (LDO) Regulator

LD1117AS18TR Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

LD1117AS18TR Estimated Pricing

Qty	Low	High
1+	$0.28	$0.28

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

LD1117AS18TR Features

Fixed 1.8V positive output voltage.
Maximum output current of 1A.
Low quiescent current of 10mA.
Dropout voltage of 1.3V at 1A.
SOT-223 surface-mount package.

LD1117AS18TR Applications

Power management circuits.
Voltage regulation applications.
Low noise power supplies.
Portable electronic devices.

LD1117AS18TR FAQs

7 frequently asked questions generated from this part’s specifications.

What is the fixed output voltage of the LD1117AS18TR?

The fixed output voltage is 1.8V.

What is the maximum input voltage for the LD1117AS18TR?

The maximum input voltage is 15V.

What is the dropout voltage at 1A output current?

The maximum dropout voltage is 1.3V at 1A.

What is the output current capability of this regulator?

The nominal output current is 1A.

What package is the LD1117AS18TR available in?

It comes in a SOT-223 surface-mount package.

What is the quiescent current of the LD1117AS18TR?

The typical quiescent current is 10mA.

What is the PSRR at 120Hz for this regulator?

The PSRR is 80dB at 120Hz.

LD1117AS18TR Alternate Parts

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LD1117ASTR

The STMicroelectronics LD1117ASTR is a positive adjustable linear voltage regulator IC. It offers a 1A output current and operates within a temperature range of 0°C to 125°C.

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