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TDA38540
  • TDA38540

TDA38540

Active and preferred

TDA38540 40 A DC-DC buck regulator features an onboard PWM controller and OptiMOS™ 5 FETs resulting in a very efficient, easy-to-use, compact VR solution. It enables stacking (up to 4) and can optionally sync to an external clock signal. TDA38540 provides extensive protection features such as pre-bias start up, UVP, OVP, etc. to give required system-level security in the event of fault conditions.

Infineon Technologies TDA38540 Product Info

16 April 2026 0

Parameters

Accuracy

6 %

Early Warning

No

Enable (=Inhibit)

Yes

Family

OptiMOS™ IPOL

Features

Current-mode control with selectable ramp compensation, High efficiency OptiMOS™ MOSFETs, Wide Input (3-17 V)

Input Voltage range

3 V to 17 V

Internal Bias LDO

Yes

Iout max

40 A

Iout

40 A

Moisture Sensitivity Level

MSL2

Operating Temperature range

-40 °C to 150 °C

Operating Voltage range

3 V to 17 V

Output Voltage range

0.6 V to 6 V

Over Voltage Protection

Programmable

Product Category

Integrated POL DC-DC regulator

Qualification

Industrial

Regulator Type

Single loop buck

Switching Frequency range

400 kHz to 2000 kHz

Technology

Current mode control with ramp compensation

Type

Stackable PoL

Apps

AI and data center, Cross Link FPGA, Healthcare

Features

  • Vin range from 3.0 to 17 V with ext Vcc
  • Vout range of 0.6 V to 6.0 V
  • Current mode control with fixed Fsw
  • Standalone or stackable operation
  • Programmable Fsw from 400 kHz - 2 MHz
  • Sync to an external clock signal
  • Voltage Moniotring with PGOOD
  • Comprehensive protection Features
  • -40°C to 150°C operation
  • Small size: 5 x 6 mm PQFN
  • Pb-free, RoHS2 (with exemption 7a)

Description

  • High efficiency and high power density
  • Excellent noise and jitter performance
  • Scalable up to 160 A, single Output VR
  • Stable and reliable VR

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