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REG103GA-3.3 The Texas Instruments REG103GA-3.3 is a 500-mA low-dropout linear voltage regulator. It offers a fixed 3.3V output and operates from a 2.7V to 15V input range.
Mfr Part #:

REG103GA-3.3

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments REG103GA-3.3 is a 500-mA low-dropout linear voltage regulator. It offers a fixed 3.3V output and operates from a 2.7V to 15V input range.
✓ Total Stock: 28,050 pcs
$ Price Range: $4.06

REG103GA-3.3 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
22,600 pcs
On Request
22600 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
5,450 pcs
On Request
5450 pcs On Request 1 On Request On Request On Request 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.

REG103GA-3.3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Control Features
Current
Mounting Type
Noise
Number of Regulators
Operating Temperature
Output Configuration
Output Current
Output Type
PSRR
Protection Features
Supplier Device Package
Supplier Package
Thermal Resistance
Voltage
Voltage Dropout (Max)
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REG103GA-3.3 Description

Short technical summary and product information.

The Texas Instruments REG103GA-3.3 is a 500-mA, low-dropout (LDO) linear voltage regulator designed for various applications. It features a fixed output voltage of 3.3V and accepts an input voltage range from 2.7V to 15V.

 

Key electrical specifications include a maximum output current of 0.5A, a typical dropout voltage of 115mV at 500mA, and low noise of 33µVrms. The regulator includes enable and power good features, along with over-current and over-temperature protection.

 

This device is available in a surface-mount SOT-223-6 package, making it suitable for space-constrained designs. The operating temperature range is -40°C to 85°C.

 

Applications include portable communication devices, battery-powered equipment, personal digital assistants, modems, bar-code scanners, and backup power systems.

REG103GA-3.3 Quick Information

Product Type: Voltage Regulator - Linear
Series: REG103
Canonical Name: REG103GA-3.3 Low-Dropout Voltage Regulator
Subcategory: LDO Voltage Regulator

REG103GA-3.3 Compliance

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

REG103GA-3.3 Estimated Pricing

Qty Low High
1+ $4.06 $4.06

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

REG103GA-3.3 Features

  • 500-mA low-dropout voltage regulator
  • Fixed 3.3V output voltage
  • Wide 2.7V to 15V input range
  • Low noise and high PSRR
  • SOT-223-6 surface-mount package

REG103GA-3.3 Applications

  • Ideal for portable communication devices
  • Suitable for battery-powered equipment
  • Used in personal digital assistants
  • Applicable for modems and scanners
  • Provides backup power solutions

REG103GA-3.3 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the REG103GA-3.3?

The input voltage range is 2.7V to 15V.

What is the output voltage of the REG103GA-3.3?

The output voltage is fixed at 3.3V.

What is the maximum output current?

The maximum output current is 500mA.

What is the dropout voltage?

Typical dropout voltage is 115mV at 500mA load, with a maximum of 280mV.

What is the quiescent current?

Quiescent current is 0.5µA when disabled and 1mA typical at 500mA output.

What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

What package is the REG103GA-3.3 available in?

It is available in a surface-mount SOT-223-6 package.

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