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 SC4530

Semtech SC4530

30V, 300mA Output Micropower Step-Down Switching Regulator

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The SC4530 is a micropower hysteretic current-mode step-down switching regulator capable of providing up to 300mA of output current from 3V to 30V input voltage range. It is designed to provide very high standby efficiency while simplifying design.

The complete datasheet for this product is available by request only. To request a datasheet, please fill out our information request form.

Features


  • Input Voltage Range: 3V to 30V
  • Low Quiescent Current: Drawing 19uA from VIN when stepping Down from 12V to 3.3V at No Load
  • High Efficiency from 12V Input to 5V Output
  • > 80% at 650uA
  • > 85% at 10mA - 300mA
  • Up to 300mA Continuous DC Output Current
  • Integrated Power Switch and Schottky Diodes
  • Low Output Ripple
  • <1uA Shutdown Current
  • Hysteretic Current-Mode Control
  • Cycle-by-Cycle Current Limiting
  • Alternating Between Micropower Idling and Switching
  • States at Light Loads to Conserve Power
  • Output Short-Circuit Protection
  • Solution Footprint as Small as 50mm²
  • Low-Profile 3mm x 2mm MLPD 8-Lead Package

Applications


  • Portable Equipment
  • Notebook Computers
  • Distributed Supplies
  • Backup Power Supplies

Packaging

  • 3mm x 2mm MLPD 8-Lead

Order Codes

  • SC4530WLTRT - Lead-free, WEEE and RoHS compliant
 
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