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TDA38740-0000
  • TDA38740-0000

TDA38740-0000

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The TDA38740 OptiMOS™ IPOL is an easy-to-use, fully integrated and highly efficient synchronous buck regulator with PMBus interface supporting up to 40 A.The device uses Infineon’s FAST Constant On-time engine for superior transient response. It is easily configured using Infineon’s XDP™ Designer GUI and the configuration can be stored in the on-chip memory.

Infineon Technologies TDA38740-0000 Product Info

16 April 2026 0

Parameters

Design Tool

Yes

Enable (=Inhibit)

Yes

Family

OptiMOS™ IPOL

Industrial 24V Input

No

Input Voltage range

4.5 V to 17 V

Internal Bias LDO

Yes

Iout max

40 A

Moisture Sensitivity Level

2

Number of Outputs

1

Output Voltage range

0.25 V to 5 V

Over Voltage Protection

Yes

Package

PG-IQFN-36-3

Power Good

Yes

Product Category

Digital: PMBus

Qualification

Industrial

Regulator Type

Single output

Switching Frequency range

400 kHz to 2000 kHz

Technology

Fast Constant On-Time

Topology

Buck

Type

Single Phase

Features

  • Input voltage 3-17 V with external Vcc
  • Output voltage range: 0.25-5V
  • Enhanced stability engine
  • forced continuous or diode emulation
  • Fsw 0.4-2MHz in 200kHz steps
  • Soft-start with pre-bias capability
  • Internal 8 setting OCP
  • PMBus system interface for reporting
  • 16 times programmable User memory
  • Digitally programmable load-line
  • Thermal shut down
  • Operating temp: -40°C < Tj < 125°C

Description

  • Easy to use fast constant on-time
  • High efficiency & power density
  • Accurate output voltage regulation
  • Superior transient response

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