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TLF50251EL
  • TLF50251EL

TLF50251EL

Active and preferred

The TLF50251EL is an automotive-grade device with a wide input voltage range (4.75 V to 45 V) and operates at 2.2 MHz. It offers efficient power management with features like current limitation, over-temperature shutdown, and adjustable threshold reset output. Its compact design reduces board space while ensuring excellent regulation.

Infineon Technologies TLF50251EL Product Info

16 April 2026 0

Parameters

Applications

Standard device for all applications

Base Product

TLF502xx

Budgetary Price €/1k

0.95

Comments

Iq<45µA, EN, RES, Automotive Step-down integrated regulator , optimized for low quiescent operation, 5V/500mA, f=2,2MHz, 100%DC

Configuration

TLF50251EL

Family

OPTIREG™ Switcher

Inhibit

Yes

Input Type

DC

IQ max

500 mA

Iq

45 µA

Mounting

SMT

Operating Temperature range

-40 °C to 150 °C

Output Current Type

Buck Converter

Planned to be available until at least

2034

Product Description

This application board enables you to test the performance of the TLF50251EL step down converter. It is equipped with a TLF50251EL for 5.0V output voltages. The board shows a possible space efficient layout.

Product Name

DEMOBOARD TLF50251EL

Protect

Yes

Regulator Type

Buck Converter

Reset

Yes

Target Application

Automotive

Tolerance

2%

Type

Evaluation Board

VQ (multiple)

5V

Watchdog

No

Apps

Automotive LED lighting systems

Features

  • 500 mA step down voltage regulator
  • 5 V Output voltage
  • ± 2% output voltage tolerance
  • Low current: < 45μA at nominal voltage
  • Current mode PWM regulation
  • PFM mode for light load current
  • Integrated power transistor
  • 2.2 MHz switching frequency
  • 100% Duty cycle
  • Synchronization input
  • Ultra-low shutdown current: <2μA

Description

  • Optimize Vbat systems for consumption.
  • Low drop-out operation due to 100% DC
  • Compensation and soft-start
  • Flexibility in setting reset threshold
  • Versatile family-based design

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