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TLF51801ELV
  • TLF51801ELV

TLF51801ELV

Active and preferred

The TLF51801ELV regulator drives external power stages (n/n-MOS) up to 10A. Output voltage is adjustable with 2% tolerance. Integrated bootstrap diode saves components. Switching frequency ranges from 100 kHz to 700 kHz or syncs to external clock. Soft-start limits inrush current. Enable function enables power management. Includes current limitation, over-temperature shutdown, and undervoltage lockout for protection.

Infineon Technologies TLF51801ELV Product Info

16 April 2026 0

Parameters

Base Product

TLF518xx

Budgetary Price €/1k

1.06

Comments

EN, f = 100 - 700 kHz, Adj Vout, Automotive synchronous Step-Down Controller with max current of 10A and above(depends of external MOS FET)

Family

OPTIREG™ Switcher

Inhibit

Yes

IQ max

10 A

Iq

1000 µA

Mounting

SMT

Operating Temperature range

-40 °C to 150 °C

Output Current Type

Buck Controller

Planned to be available until at least

2037

Protect

Yes

Regulator Type

Buck Controller

Reset

No

Tolerance

2%

VQ (multiple)

1.2 V - Dmax * Vs

Watchdog

No

Apps

Battery energy storage (BESS), Domestic robots

Features

  • Controller for loads up to 10A
  • Driving external power-stage (n/n-MOS)
  • Current limitation using the Rdson
  • Adjustable o/p V: 1.2V up to Dmax*Vs
  • ± 2% output voltage tolerance
  • Duty cycle > 99%
  • Input voltage range from 4.75V to 45V
  • Switching frequency:100 kHz upto 700 kHz
  • Syncronization input
  • EN for ultra-low shut-down current
  • Integrated soft-start function

Description

  • Rdson limits, saves shunt & board space.
  • High duty cycle allows low drop-out

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