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TLE4278G The Infineon Technologies TLE4278G is a 5V low-drop fixed voltage regulator designed for automotive applications. It offers a current of 200µA and features over-temperature, reverse polarity, and short-circuit protection.
Mfr Part #:

TLE4278G

Available from 2 distributors
Mfr Name: Infineon Technologies
Infineon Technologies
The Infineon Technologies TLE4278G is a 5V low-drop fixed voltage regulator designed for automotive applications. It offers a current of 200µA and features over-temperature, reverse polarity, and short-circuit protection.
✓ Total Stock: 20,612 pcs
$ Price Range: $0.28

TLE4278G Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
12,500 pcs
On Request
12500 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
8,112 pcs
On Request
8112 pcs On Request 1 On Request On Request 21+ On Request 2026-06-03 03:15:08
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.

TLE4278G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Current
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
Output Voltage
Protection Features
SVHC Present
Supplier Device Package
Supplier Package
Voltage
Voltage Dropout (Max)
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TLE4278G Description

Short technical summary and product information.

The Infineon Technologies TLE4278G is a monolithic integrated low-drop fixed output voltage regulator designed to supply loads up to 200mA. It provides a stable 5V output with a tolerance of ±2% and a low-drop voltage.

 

This device is suitable for use in automotive electronics and general automotive applications. It is qualified for automotive applications according to AEC-Q100/101 standards. The regulator includes essential protection functions such as over-temperature protection, reverse polarity protection, and short-circuit proof operation.

 

Key electrical features include a 45V maximum input voltage and a low current consumption. The TLE4278G also incorporates control features like reset and watchdog outputs, with adjustable thresholds for both.

 

The TLE4278G is available in a PG-DSO-14 package, designed for surface mount. It operates within a wide temperature range of -40°C to 150°C (TJ).

TLE4278G Quick Information

Product Type: Voltage Regulator - Linear
Canonical Name: TLE4278G 5V Low Drop Fixed Voltage Regulator
Subcategory: Voltage Regulators - Linear

TLE4278G Compliance

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

TLE4278G Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

TLE4278G Features

  • Provides a stable 5V fixed output voltage.
  • Features ±2% output voltage tolerance.
  • Designed for automotive applications.
  • Includes over-temperature protection.
  • Available in a PG-DSO-14 package.

TLE4278G Applications

  • Suitable for general automotive applications.
  • Powers microprocessor systems.
  • Used in automotive electronics.
  • Provides stable voltage regulation.

TLE4278G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the TLE4278G?

The TLE4278G provides a fixed output voltage of 5V with a tolerance of ±2%.

What is the maximum input voltage for the TLE4278G?

The maximum input voltage is 45V.

What is the dropout voltage of the TLE4278G?

The typical dropout voltage is 0.5V at 150mA output current.

What protection features does the TLE4278G include?

The TLE4278G includes over temperature, reverse polarity, and short circuit protection.

What is the operating temperature range of the TLE4278G?

The operating junction temperature range is -40°C to 150°C.

What package is the TLE4278G available in?

The TLE4278G is available in a PG-DSO-14 package (14-SOIC, 0.154" width, 3.90mm width).

What control features does the TLE4278G have?

The TLE4278G includes reset and watchdog control features.

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