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UCD7242RSJT . - 

Power Management IC, Digital Dual Synchronous Buck Power Driver, 2.2 V to 18 V input, 2 MHz, QFN-32

UCD7242RSJT . - Power Management IC, Digital Dual Synchronous Buck Power Driver, 2.2 V to 18 V input, 2 MHz, QFN-32
UCD7242RSJT . - Power Management IC, Digital Dual Synchronous Buck Power Driver, 2.2 V to 18 V input, 2 MHz, QFN-32
UCD7242RSJT . - Power Management IC, Digital Dual Synchronous Buck Power Driver, 2.2 V to 18 V input, 2 MHz, QFN-32

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Manufacturer Part No:
UCD7242RSJT .
Order Code:
1823865

Product Overview

The UCD7242RSJT is a digital dual Synchronous-buck Power System ready to drive two independent buck power supplies. High side MOSFETs, low side MOSFETs, drivers, current sensing circuitry and necessary protection functions are all integrated into one monolithic solution to facilitate minimum size and maximum efficiency. Driver circuits provide high charge and discharge current for the high-side NMOS switch and the low-side NMOS synchronous rectifier in a synchronous buck circuit. The MOSFET gates are driven to +6.25V by an internally regulated VGG supply. The internal VGG regulator can be disabled to permit the user to supply an independent gate drive voltage. This flexibility allows a wide power conversion input voltage range of 2.2 to 18V. Internal under voltage lockout (UVLO) logic ensures VGG is good before allowing chip operation. The synchronous rectifier enable (SRE) pin controls whether or not the low-side MOSFET is turned on when the PWM signal is low.
  • Fully integrated power switches with drivers for dual synchronous buck converters
  • Full compatibility with TI fusion digital power supply
  • Up to 10A output current per channel
  • Operational to 2MHz switching frequency
  • High side current limit with current limit flag
  • Onboard regulated 6V driver supply from VIN
  • Thermal protection

Applications

Motor Drive & Control, Computers & Computer Peripherals, Power Management

Product Information

:
2.2V
:
18V
:
2MHz
:
QFN
:
32Pins
:
-
:
-
:
-40°C
:
125°C
:
-
:
MSL 1 - Unlimited
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