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TDA21242

Infineon
Part Number TDA21242
Manufacturer Infineon
Description DC-DC Converters
Published Apr 11, 2020
Detailed Description TDA21242 1 Applications  Desktop and Server VR buck-converter  Single Phase and Multiphase POL  CPU/GPU Regulation i...
Datasheet PDF File TDA21242 PDF File

TDA21242
TDA21242

Overview
TDA21242 1 Applications  Desktop and Server VR buck-converter  Single Phase and Multiphase POL  CPU/GPU Regulation in Notebook, Desktop Graphics Cards, DDR Memory, Graphic Memory  High Power Density Voltage Regulator Modules (VRM)  Qualified for DCDC industrial applications based on JEDEC (JESD47, JESD22, J-STD20) 2 Features  For synchronous buck converter step down voltage applications  Maximum average current of 25 A  Input voltage range +4.
5 V to +16 V  Power MOSFETs rated 25 V  Fast switching technology for improved performance at high switching frequencies (> 500 kHz)  Remote driver disable function  Includes bootstrap diode  Undervoltage lockout  Shoot through protection  +5 V high side and low side MOSFETs driving voltage  Compatible to standard +3.
3 V PWM controller integrated circuits  Tri-state PWM input functionality  Small package: PG-IQFN-30-2 (4 x 4 x 1 mm³)  RoHS compliant  Thermal warning Table 1 Product Identification Part Number Temp Range TDA21242 -40 to 125C Package PG-IQFN-30-2 (4 x 4 x 1 mm³) Marking 21242 Figure 1 Picture of the Product Data Sheet 1 3 Description 3.
1 Pinout TDA21242 Figure 2 Pinout, Numbering and Name of Pins (transparent top view) Data Sheet 2 TDA21242 Table 2 Pin No.
2 6 7 16 – 23 24 – 27 30 1 I/O Signals Name Pin Type Buffer Type Function PWM I +3.
3 V logic PWM drive logic input The tri-state PWM input is compatible with 3.
3 V.
BOOT I Analog Bootstrap voltage pin Connect to BOOT capacitor PHASE I Analog Switch node (reference for Boot voltage) internally connected to SW pin, connect to BOOT capacitor SW O Analog Switch node output High current output switching node GL O Analog Low-Side Gate Test point for Low Side MOSFET gate signal PHFLT# O +3.
3 V logic Thermal Warning Connect through a resistor to 3.
3V.
When the thermal protection threshold is tripped, the PHFLT# pin is being pulled low.
Leave open if not used.
EN I +3.
3 V logic Enable signal (active high) Conne...


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