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LM20242MH

DC-DC Switching Buck Step Down Regulator, Adjustable, 4.5V-36Vin, 800mV-32Vout, 2Aout, TSSOP-20

TEXAS INSTRUMENTS LM20242MH

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Manufacturer Part No:
LM20242MH
Order Code:
1495078

Product Overview

The LM20242MH is a PowerWise® adjustable frequency synchronous Buck Regulator capable of delivering up to 2A of load current. The current-mode control loop is externally compensated with only two external components, offering both high performance and ease of use. It is optimized to work over the input voltage range of 4.5 to 36V making it well suited for high voltage systems. The device features internal overvoltage protection (OVP) and overcurrent protection (OCP) circuits for increased system reliability. A precision enable pin and integrated UVLO allows the turn on of the device to be tightly controlled and sequenced. Startup inrush currents are limited by both an internally fixed and externally adjustable soft-start circuit. Fault detection and supply sequencing are possible with the integrated PGOOD circuit. It is designed to work well in multi-rail power supply architectures. The output voltage of the device can be configured to track a higher voltage rail using the SS/TRK pin.
  • Current-mode control and selectable compensation
  • Resistor programmed, 1MHz capable oscillator
  • Synchronous rectifier with diode emulation
  • Compatible with pre-biased loads
  • Programmable soft-start with external capacitor
  • Precision enable pin with hysteresis
  • OVP, UVLO inputs and PGOOD output
  • Internally protected with peak current limit, thermal shutdown and restart
  • Accurate current limit with frequency foldback
  • Non-linear current-mode slope compensation
  • 130/110mR Integrated power MOSFETs
  • 1.5% Output voltage accuracy
  • Green product and no Sb/Br

Applications

Power Management, Communications & Networking, Automotive

Product Information

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:
Synchronous Buck (Step Down)

:
4.5V

:
36V

:
1Outputs

:
TSSOP

:
20Pins

:
2A

:
800mV

:
32V

:
1MHz

:
125°C

:
-

:
-

:
MSL 1 - Unlimited
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