Switching Regulators
  • SC195F
  • 3.5MHz, 500mA Synchronous Step Down DC-DC Regulator
  • SC202F
  • 3.5MHz, 500mA Step-down Regulator with Integrated Inductor
  • SC21150
  • Tiny 1.2A Synchronous Buck Regulator
  • SC21152
  • Tiny 1.2A Synchronous Buck Regulator with Power Good
  • SC21154
  • Tiny 1.2A Synchronous Buck Regulator with Programmable Soft Start
  • SC221
  • 20MHz, 650mA, X-EMI™-Enabled Synchronous Step-Down Regulator
  • SC284A
  • Dual Channel 2.5MHz, 2.0A Synchronous Buck Regulator
  • SC284AQ
  • Dual Channel 2.5MHz, 1.7A Synchronous Buck Regulator
Semtech TS30042

Semtech TS30042

High Efficiency 1A/2A Current-Mode Synchronous Buck Converter, 1MHz

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The TS30041 (1A) and TS30042 (2A) are DC/DC synchronous switching regulators with fully integrated power switches, internal compensation, and full fault protection. The switching frequency of 1MHz enables the use of small filter components resulting in minimal board space and reduced BOM costs.

Features


  • Fixed output voltage choices: 1.5V, 1.8V, 2.5V, 3.3V, and 5V with +/- 2% output tolerance
  • Adjustable version output voltage range: 0.9V to (VCC - 1V) with +/- 1.5% reference
  • Wide input voltage range: 4.5V to 40V (42V Abs Max)
  • 1MHz +/- 10% fixed switching frequency
  • Continuous output current: 1A (TS30041), 2A (TS30042)
  • High efficiency up to 95%
  • Current mode PWM control with PFM mode for improved light load efficiency
  • Voltage supervisor for VOUT reported at the PG pin
  • Input supply under voltage lockout
  • Soft start for controlled startup with no overshoot
  • Full protection for over-current, over-temperature, and
  • UT over-voltage
  • SYNC function on EN/SYNC pin to control switching frequency
  • Less than 10uA in standby mode
  • Low external component count

Applications


  • On-card switching regulators
  • Set-top box, DVD, LCD, LED supply
  • Industrial power supplies

Packaging

  • Packaged in a 16 lead QFN package – 3x3mm
 
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