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                                                                                                  1. Home
                                                                                                  2. Semiconductors - ICs
                                                                                                  3. Power Management ICs - PMIC
                                                                                                  4. Voltage Regulators
                                                                                                  5. LDO Voltage Regulators
                                                                                                  Print Page

                                                                                                  TLE4278GXUMA3

                                                                                                  LDO Voltage Regulator, Fixed, OPTIREG, 5.5V to 45V, 250mV Dropout, 5Vout, 150mA out, SOIC-14

                                                                                                  INFINEON
                                                                                                  Image is for illustrative purposes only. Please refer to product description.
                                                                                                  INFINEON TLE4278GXUMA3
                                                                                                  ManufacturerINFINEON
                                                                                                  Manufacturer Part NoTLE4278GXUMA3
                                                                                                  Order Code3234298RL
                                                                                                  Product Range5V 150mA LDO Voltage Regulators
                                                                                                  Also Known AsTLE4278G, SP001435156
                                                                                                  Your Part Number
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  See all Technical Docs
                                                                                                  Packaging Options
                                                                                                  108,243 In Stock

                                                                                                  Need more?

                                                                                                  24948 Delivery in 1-2 Business Days(SG stock)
                                                                                                  83295 Delivery in 3-4 Business Days(UK stock)
                                                                                                  QuantityPrice
                                                                                                  10+HK$7.750
                                                                                                  Price for:Each (Supplied on Cut Tape)
                                                                                                  Minimum: 100
                                                                                                  Multiple: 1
                                                                                                  HK$775.00
                                                                                                  Line Note
                                                                                                  Added to your Order Confirmation, Invoice, and Dispatch note for this order only.

                                                                                                  Product Information

                                                                                                  INFINEON
                                                                                                  ManufacturerINFINEON
                                                                                                  Manufacturer Part NoTLE4278GXUMA3
                                                                                                  Order Code3234298RL
                                                                                                  Product Range5V 150mA LDO Voltage Regulators
                                                                                                  Also Known AsTLE4278G, SP001435156
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  Output TypeFixed
                                                                                                  Input Voltage Min5.5V
                                                                                                  Input Voltage Max45V
                                                                                                  No. of Outputs1Outputs
                                                                                                  Fixed Output Voltage Nom5V
                                                                                                  Adjustable Output Voltage Min-
                                                                                                  Output Voltage - Nom5V
                                                                                                  Output Voltage Nom5V
                                                                                                  Output Voltage Min-
                                                                                                  Adjustable Output Voltage Max-
                                                                                                  Output Voltage Max-
                                                                                                  Output Current150mA
                                                                                                  Dropout Voltage Vdo250mV
                                                                                                  PolarityPositive Output
                                                                                                  Output Current Max150mA
                                                                                                  LDO Regulator Case StyleSOIC
                                                                                                  Max Output Current150mA
                                                                                                  Dropout Voltage Typ @ Current250mV
                                                                                                  Dropout Voltage - Typ @ Current250mV
                                                                                                  IC MountingSurface Mount
                                                                                                  IC Case / PackageSOIC
                                                                                                  No. of Pins14Pins
                                                                                                  Operating Temperature Min-40°C
                                                                                                  Operating Temperature Max150°C
                                                                                                  Product Range5V 150mA LDO Voltage Regulators
                                                                                                  Automotive Qualification StandardAEC-Q100
                                                                                                  MSLMSL 2A - 4 weeks
                                                                                                  SVHCNo SVHC (25-Jun-2025)

                                                                                                  Product Overview

                                                                                                  TLE4278GXUMA3 is an OPTIREG™ Linear 5V low drop fixed voltage regulator. It is a monolithic integrated low-drop fixed output voltage regulator supplying loads up to 200mA. It is designed to supply microprocessor systems under the severe conditions of automotive applications and therefore equipped with additional protection functions against over-load, short circuit and overtemperature. The TLE4278 can also be used in other applications where a stabilized voltage is required. It is ideal for general automotive applications.

                                                                                                  • Output voltage tolerance ≤ ±2%, very low current consumption
                                                                                                  • Separated reset and watchdog output, low-drop voltage, watchdog
                                                                                                  • Adjustable watchdog activating threshold, adjustable reset threshold
                                                                                                  • Overtemperature protection, reverse polarity protection, short-circuit proof
                                                                                                  • Suitable for use in automotive electronics, wide temperature range
                                                                                                  • Qualified for automotive applications, product validation according to AEC-Q100/101
                                                                                                  • PG-DSO-14 package
                                                                                                  • Junction temperature range from -50 to 150°Cz
                                                                                                  • Output voltage is 5V typical at 0mA ≤ IQ ≤ 150mA, 6V ≤ VI ≤ 28V
                                                                                                  • Drop voltage is 0.25V typical at IQ = 150mA, VI = 13.5V

                                                                                                  Warnings

                                                                                                  Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

                                                                                                  Technical Specifications

                                                                                                  Output Type

                                                                                                  Fixed

                                                                                                  Input Voltage Max

                                                                                                  45V

                                                                                                  Fixed Output Voltage Nom

                                                                                                  5V

                                                                                                  Output Voltage - Nom

                                                                                                  5V

                                                                                                  Output Voltage Min

                                                                                                  -

                                                                                                  Output Voltage Max

                                                                                                  -

                                                                                                  Dropout Voltage Vdo

                                                                                                  250mV

                                                                                                  Output Current Max

                                                                                                  150mA

                                                                                                  Max Output Current

                                                                                                  150mA

                                                                                                  Dropout Voltage - Typ @ Current

                                                                                                  250mV

                                                                                                  IC Case / Package

                                                                                                  SOIC

                                                                                                  Operating Temperature Min

                                                                                                  -40°C

                                                                                                  Product Range

                                                                                                  5V 150mA LDO Voltage Regulators

                                                                                                  MSL

                                                                                                  MSL 2A - 4 weeks

                                                                                                  Input Voltage Min

                                                                                                  5.5V

                                                                                                  No. of Outputs

                                                                                                  1Outputs

                                                                                                  Adjustable Output Voltage Min

                                                                                                  -

                                                                                                  Output Voltage Nom

                                                                                                  5V

                                                                                                  Adjustable Output Voltage Max

                                                                                                  -

                                                                                                  Output Current

                                                                                                  150mA

                                                                                                  Polarity

                                                                                                  Positive Output

                                                                                                  LDO Regulator Case Style

                                                                                                  SOIC

                                                                                                  Dropout Voltage Typ @ Current

                                                                                                  250mV

                                                                                                  IC Mounting

                                                                                                  Surface Mount

                                                                                                  No. of Pins

                                                                                                  14Pins

                                                                                                  Operating Temperature Max

                                                                                                  150°C

                                                                                                  Automotive Qualification Standard

                                                                                                  AEC-Q100

                                                                                                  SVHC

                                                                                                  No SVHC (25-Jun-2025)

                                                                                                  Technical Docs (1)

                                                                                                  Technical Data Sheet EN

                                                                                                  Legislation and Environmental

                                                                                                  Country of Origin:
                                                                                                  Country in which last significant manufacturing process was carried outCountry of Origin:
                                                                                                  Philippines
                                                                                                  Country in which last significant manufacturing process was carried out
                                                                                                  Tariff No:85423990
                                                                                                  US ECCN:EAR99
                                                                                                  EU ECCN:NLR
                                                                                                  RoHS Compliant:Yes

                                                                                                  RoHS

                                                                                                  RoHS Phthalates Compliant:Yes

                                                                                                  RoHS

                                                                                                  SVHC:No SVHC (25-Jun-2025)
                                                                                                  Download Product Compliance Certificate

                                                                                                  Product Compliance Certificate

                                                                                                  Weight (kg):.000228
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